Document:

Exhibit 10.14

 

EMPLOYMENT AGREEMENT

 

This EMPLOYMENT AGREEMENT (this
 “Agreement”) is made and entered into as of September 17, 2020, by and between Certara
USA, Inc., a Delaware corporation (the “Company”) and Craig Rayner (the
 “Executive”).

 

W I T N E S S E T H :

 

WHEREAS, Execute entered into that certain
Employment Agreement, dated September 2, 2016, with Certara Australia Pty Ltd., an affiliate of Company and subsidiary of
Parent (the “Australian Employment Agreement”);

 

WHEREAS, Execute and Company desire for Execute
to relocate from Australia to the United States;

 

WHEREAS, Execute and Company have separately
agreed to the terms of Executive’s relocation package;

 

WHEREAS, the Company and Executive desire
to terminate the Australian Employment Agreement and enter into this Agreement embodying the terms of Executive’s continuing
employment.

 

NOW, THEREFORE, in consideration of the promises
and mutual covenants contained herein and for other good and valuable consideration, the receipt and sufficiency of which are mutually
acknowledged, the Company and Executive hereby agree as follows:

 

Section 1.     Definitions.
Capitalized terms not otherwise defined elsewhere in this Agreement shall have the meaning set forth in this Section 1.

 

(a)            “Accrued
Obligations” shall mean (i) all accrued but unpaid Base Salary through the date of termination of Executive’s
employment, payable within thirty (30) days following the date of termination, (ii) any unpaid or unreimbursed business expenses
incurred in accordance with Section 6 hereof, payable within thirty (30) days following the date of termination and (iii) any
benefits provided under the Company’s employee benefit plans upon a termination of employment, including rights with respect
to equity participation under the Equity Documents, in accordance with the terms contained therein.

 

(b)            “Board”
shall mean the Board of Directors of EQT Avatar Parent L.P. (the “Parent”).

 

(c)            “Cause”
shall mean (i) Executive’s act(s) of gross negligence or willful misconduct in the course of Executive’s
employment hereunder, (ii) willful failure or refusal by Executive to perform in any material respect his duties or responsibilities,
(iii) misappropriation (or attempted misappropriation) by Executive of any assets or business opportunities of the Company
or any other member of the Company Group, (iv) embezzlement or fraud committed (or attempted) by Executive, or at his direction,
(v) Executive’s conviction of, or pleading “guilty” or “ no contest” to, (x) a felony or
(y) any other criminal charge that has, or could be reasonably expected to have, a material adverse impact on the performance
of Executive’s duties to the Company or any other member of the Company Group or otherwise result in material injury to the
reputation or business of the Company or any other member of the Company Group, (vi) any material violation by Executive of
the policies of the Company, including but not limited to those relating to sexual harassment or business conduct, and those otherwise
set forth in the manuals or statements of policy of the Company, or (vii) Executive’s material breach of this Agreement
or of the Equity Documents.

 

    

     

    

 

(d)            “Code”
shall mean the Internal Revenue Code of 1986, as amended, and the rules and regulations promulgated thereunder.

 

(e)            “Company
Group” shall mean the Parent together with any of its direct or indirect subsidiaries, including the Company.

 

(f)             “Compensation
Committee” shall mean the committee of the Board designated to make compensation decisions relating to senior executive
officers of the Company Group.

 

(g)            “Confidential
Information” has the meaning set forth in the Restrictive Covenants.

 

(h)            “Disability”
shall mean any physical or mental disability or infirmity of Executive that prevents the performance of Executive’s duties
for a period of (i) ninety (90) consecutive days or (ii) one hundred twenty (120) non-consecutive days during any twelve
(12) month period. Any question as to the existence, extent, or potentiality of Executive’s Disability upon which Executive
and the Company cannot agree shall be determined by a qualified, independent physician selected by the Company and approved by
Executive (which approval shall not be unreasonably withheld, delayed or conditioned). The determination of any such physician
shall be final and conclusive for all purposes of this Agreement.

 

(i)             “Good
Reason” shall mean, without Executive’s consent, (i) a material demotion in Executive’s title, duties,
or responsibilities as set forth in Section 3 hereof or (ii) a material reduction in Base Salary set forth in Section 4(a) hereof
or Target Annual Bonus opportunity set forth in Section 4(b) hereof (other than pursuant to an across-the-board reduction
applicable to all similarly situated executives) or (iii) any other material breach of a provision of this Agreement by the
Company (other than a provision that is covered by clause (i) or (ii) above). Executive acknowledges and agrees that
his exclusive remedy in the event of any breach of this Agreement shall be to assert Good Reason pursuant to the terms and conditions
of Section 7(f) hereof. Notwithstanding the foregoing, during the Term of Employment, in the event that the Board reasonably
believes that Executive may have engaged in conduct that could constitute Cause hereunder, the Board may, in its sole and absolute
discretion, suspend Executive from performing his duties hereunder, and in no event shall any such suspension constitute an event
pursuant to which Executive may terminate employment with Good Reason or otherwise constitute a breach hereunder; provided,
that no such suspension shall alter the Company’s obligations under this Agreement during such period of suspension.

 

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(j)             “Person”
shall mean any individual, corporation, partnership, limited liability company, joint venture, association, joint-stock company,
trust (charitable or non-charitable), unincorporated organization, or other form of business entity.

 

(k)            “Release
of Claims” shall mean the Release of Claims in substantially the same form attached hereto as Exhibit A (as
the same may be revised from time to time by the Company upon the advice of counsel).

 

(l)             “Restrictive
Covenants” shall mean the Restrictive Covenants attached as Appendix A to Executive’s Class B Profits Interest
Unit Award Agreement (the “Award Agreement”), a copy of which is attached hereto as Exhibit B.

 

(m)            “Severance
Term” shall mean the six (6) month period following Executive’s termination by the Company without Cause (other
than by reason of death or Disability) or by Executive with Good Reason.

 

Section 2.     Acceptance
and Term of Employment.

 

The Company agrees to employ Executive, and
Executive agrees to serve the Company, on the terms and conditions set forth herein. Executive’s employment hereunder shall
commence on November 21, 2020, unless Executive is not permitted to commence employment on that date under U.S. immigration
law, in which case employment shall commence on the earliest date permitted under U.S. immigration law (“Commencement Date”),
and continue until terminated as provided in Section 7 hereof (“Term of Employment”).

 

Effective as of the Commencement Date, Executive
agrees and acknowledges that his employment with Certara Australia Pty Ltd will come to an end and that the Australian Employment
Agreement is terminated, and Executive shall have no surviving rights thereunder, except that Company will make, or cause to be
made, through Certara Australia Pty Ltd., a payment equal to your accrued annual leave.

 

For the avoidance of doubt, nothing in this
Agreement, or the termination of the Australian Employment Agreement, shall have any effect on any of Executive’s (i) Class B
Profits Interest Unit Award Agreements dated November 17, 2017, November 8, 2019, and August 31, 2020, (ii) Class A
unit Rollover Agreement, dated August 15, 2017, or (iii) his rights and obligations thereunder, which shall continue
in full force and effect.

 

Section 3.     Position,
Duties, and Responsibilities; Place of Performance.

 

(a)            Position,
Duties, and Responsibilities. During the Term of Employment, Executive shall be employed and serve as the President, iDD, of
the Company (together with such other position or positions consistent with Executive’s title as the Board shall specify
from time to time) and shall have such duties and responsibilities commensurate with such title.

 

(b)            Performance.
Executive shall devote his full business time, attention, skill, and best efforts to the performance of his duties under this Agreement
and shall not engage in any other business or occupation during the Term of Employment, including, without limitation, any activity
that (x) conflicts with the interests of the Company or any other member of the Company Group, (y) interferes with the
proper and efficient performance of Executive’s duties for the Company, or (z) interferes with Executive’s exercise
of judgment in the Company’s best interests. Notwithstanding the foregoing, nothing herein shall preclude Executive from
(i) serving, with the prior written consent of the Board, as a member of the board of directors or advisory board (or the
equivalent in the case of a non-corporate entity) of a non-competing for-profit business and one or more charitable organizations,
(ii) engaging in charitable activities and community affairs, and (iii) managing Executive’s personal investments
and affairs; provided, however, that the activities set out in clauses (i), (ii), and (iii) shall be limited
by Executive so as not to materially interfere, individually or in the aggregate, with the performance of his duties and responsibilities
hereunder.

 

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(c)            Principal
Place of Employment. Executive’s principal place of employment shall be in Princeton, New Jersey, although Executive
understands and agrees that he may be required to travel from time to time for business reasons including, without limitation,
the other offices.

 

Section 4.     Compensation.

 

During the Term of Employment, Executive shall
be entitled to the following compensation:

 

(a)            Base
Salary. Executive shall be paid an annualized Base Salary (the “Base Salary”), payable in accordance with
the regular payroll practices of the Company, of $309,000.00

 

(b)            Annual
Bonus. Executive shall be eligible for an annual incentive bonus award determined by the Compensation Committee in respect
of each fiscal year during the Term of Employment (the “Annual Bonus”). The Annual Bonus shall otherwise be
subject to the terms and conditions of the annual bonus plan adopted by the Board or the Compensation Committee, if any, under
which bonuses are generally payable to senior executives of the Company, as in effect from time to time. The Annual Bonus shall
be paid in cash to Executive at the same time as annual bonuses are generally payable to other senior executives of the Company,
subject to Executive’s continuous employment through the annual bonus payment date (subject to Section 7 below).

 

Section 5.     Employee
Benefits.

 

During the Term of Employment, Executive shall
be entitled to participate in health, insurance, retirement, and other benefits provided generally to senior executives of the
Company. Executive shall also be entitled to the same number of holidays, vacation days, and sick days, as well as any other benefits,
in each case as are generally allowed to senior executives of the Company in accordance with the Company policy as in effect from
time to time. Nothing contained herein shall be construed to limit the Company’s ability to amend, suspend, or terminate
any employee benefit plan or policy at any time, and the right to do so is expressly reserved.

 

Section 6.     Reimbursement
of Expenses. Executive is authorized to incur reasonable business expenses in carrying out his duties and responsibilities
under this Agreement, and the Company shall promptly reimburse him for all such reasonable business expenses, subject to documentation
in accordance with the Company’s policy, as in effect from time to time.

 

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Section 7.     Termination
of Employment.

 

(a)            General.
The Term of Employment, and Executive’s employment hereunder, shall terminate upon the earliest to occur of (i) Executive’s
death, (ii) a termination by reason of a Disability, (iii) a termination by the Company with or without Cause, and (iv) a
termination by Executive with or without Good Reason. Except as otherwise expressly required by law (e.g., COBRA) or as specifically
provided herein, all of Executive’s rights to Base Salary, Annual Bonus, employee benefits and other compensatory amounts
hereunder (if any) shall cease upon the termination of Executive’s employment hereunder.

 

(b)            Deemed
Resignation. Upon any termination of Executive’s employment for any reason, except as may otherwise be requested by the
Company in writing and agreed upon in writing by Executive, Executive shall be deemed to have resigned from any and all directorships,
committee memberships, and any other positions Executive holds with the Company or any other member of the Company Group.

 

(c)            Termination
Due to Death or Disability. Executive’s employment shall terminate automatically upon his death. The Company may terminate
Executive’s employment immediately upon the occurrence of a Disability, such termination to be effective upon Executive’s
receipt of written notice of such termination. Upon Executive’s death or in the event that Executive’s employment is
terminated due to his Disability, Executive or his estate or his beneficiaries, as the case may be, shall be entitled to:

 

(i)            The
Accrued Obligations; and

 

(ii)            Any
unpaid Annual Bonus in respect of any completed fiscal year that has ended prior to the date of such termination, which amount
shall be paid at such time annual bonuses are paid to other senior executives of the Company (the “Prior Year Bonus Amount”).

 

Following Executive’s death or a termination of Executive’s
employment by reason of a Disability, except as set forth in this Section 7(c), Executive shall have no further rights to
any compensation or any other benefits under this Agreement.

 

(d)            Termination
by the Company for Cause.

 

(i)            The
Company may terminate Executive’s employment at any time for Cause, effective upon delivery to Executive of written notice
of such termination; provided, however, that with respect to any Cause termination relying on clause (i), (ii), (vi) or
(vii) of the definition of Cause, to the extent that such act or acts or failure or failures to act are curable, Executive
shall be given not less than ten (10) days’ written notice by the Company of the Company’s intention to terminate
him for Cause, such notice to state in detail the particular act or acts or failure or failures to act that constitute the grounds
on which the proposed termination for Cause is based, and such termination shall be effective at the expiration of such ten (10) day
notice period unless Executive has fully cured such act or acts or failure or failures to act that give rise to Cause during such
period.

 

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(ii)           In
the event that the Company terminates Executive’s employment for Cause, he shall be entitled only to the Accrued Obligations.
Following such termination of Executive’s employment for Cause, except as set forth in this Section 7(d)(ii), Executive
shall have no further rights to any compensation or any other benefits under this Agreement.

 

(e)            Termination
by the Company without Cause. The Company may terminate Executive’s employment at any time without Cause, effective upon
delivery to Executive of written notice of such termination. In the event that Executive’s employment is terminated by the
Company without Cause (other than due to death or Disability), Executive shall be entitled to:

 

(i)            The
Accrued Obligations;

 

(ii)           The
Prior Year Bonus Amount; and

 

(iii)          An
amount equal to the prorated Base Salary during the Severance Term, such amount to be paid in substantially equal payments during
the Severance Term, and payable in accordance with the Company’s regular payroll practices.

 

Notwithstanding the foregoing, the payments
and benefits described in clauses (ii) and (iii) above shall immediately terminate, and the Company shall have no further
obligations to Executive with respect thereto, in the event that Executive breaches the Restrictive Covenants. Following such termination
of Executive’s employment by the Company without Cause, except as set forth in this Section 7(e), Executive shall have
no further rights to any compensation or any other benefits under this Agreement. For the avoidance of doubt, Executive’s
sole and exclusive remedy upon a termination of employment by the Company without Cause shall be receipt of the Severance Benefits.

 

(f)            Termination
by Executive with Good Reason. Executive may terminate his employment with Good Reason by providing the Company thirty (30)
days’ written notice setting forth in reasonable specificity the event that constitutes Good Reason, which written notice,
to be effective, must be provided to the Company within thirty (30) days of the occurrence of such event. During such thirty (30)
notice period, the Company shall have a cure right (if curable), and if not cured within such period, Executive’s termination
will be effective upon the expiration of such cure period, and Executive shall be entitled to the same payments and benefits as
provided in Section 7(e) hereof for a termination by the Company without Cause, subject to the same conditions on payment
and benefits as described in Section 7(e) hereof. Following such termination of Executive’s employment by Executive
with Good Reason, except as set forth in this Section 7(f), Executive shall have no further rights to any compensation or
any other benefits under this Agreement. For the avoidance of doubt, Executive’s sole and exclusive remedy upon a termination
of employment with Good Reason shall be receipt of the Severance Benefits.

 

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(g)            Termination
by Executive without Good Reason. Executive may terminate his employment without Good Reason by providing the Company sixty
(60) days’ written notice of such termination. In the event of a termination of employment by Executive under this Section 7(g),
Executive shall be entitled only to the Accrued Obligations. In the event of termination of Executive’s employment under
this Section 7(g), the Company may, in its sole and absolute discretion, by written notice accelerate such date of termination
without changing the characterization of such termination as a termination by Executive without Good Reason. Following such termination
of Executive’s employment by Executive without Good Reason, except as set forth in this Section 7(g), Executive shall
have no further rights to any compensation or any other benefits under this Agreement.

 

(h)            Release.
Notwithstanding any provision herein to the contrary, the payment of any amount or provision of any benefit pursuant to subsection
(e) or (f) of this Section 7 (collectively, the “Severance Benefits”), other than the Accrued
Obligations, shall be conditioned upon Executive’s execution, delivery to the Company, and non-revocation of the Release
of Claims (and the expiration of any revocation period contained in such Release of Claims) within twenty-one days following the
date of Executive’s termination of employment hereunder (the “Release Execution Period”). If Executive
fails to execute the Release of Claims in such a timely manner so as to permit any revocation period to expire prior to the end
of such twenty-one day period, or timely revokes his acceptance of such release following its execution, Executive shall not be
entitled to any of the Severance Benefits. No portion of the Severance (other than Accrued Obligations) shall be paid until the
Release has become effective and all such amounts shall commence to be paid on the first regular payroll date of the Company after
the Release has become effective; provided, that, if the Release Execution Period overlaps two calendar years, the first
payment shall not be made sooner than the first day of the second year, and shall include any missed payments.

 

Section 8.     Certain
Payments.

 

In the event that (i) Executive is entitled
to receive any payment, benefit or distribution of any type to or for the benefit of Executive, whether paid or payable, provided
or to be provided, or distributed or distributable, pursuant to the terms of this Agreement or otherwise (collectively, the “Payments”),
and (ii) the net after-tax amount of such Payments, after Executive has paid all taxes due thereon (including, without limitation,
taxes due under Section 4999 of the Code) is less than the net after-tax amount of all such Payments otherwise due to Executive
in the aggregate, if such Payments were reduced to an amount equal to 2.99 times Executive’s “base amount” (as
defined in Section 280G(b)(3) of the Code), then the aggregate amount of such Payments payable to Executive shall be
reduced to an amount that will equal 2.99 times Executive’s base amount. To the extent such aggregate parachute payment amounts
are required to be so reduced, the parachute payment amounts due to Executive (but no non-parachute payment amounts) shall be reduced
in the following order: (i) the parachute payments that are payable in cash shall be reduced (if necessary, to zero) with
amounts that are payable last reduced first; (ii) payments and benefits due in respect of any equity, valued at full value
(rather than accelerated value), with the highest values reduced first (as such values are determined under Treasury Regulation
Section 1.280G-1, Q&A 24); and (iii) all other non-cash benefits not otherwise described in clause (ii) of this
Section 8 reduced last. Notwithstanding the foregoing, the Company will use its good faith best efforts to solicit shareholder
approval of the Executive’s “excess parachute payments” in accordance with Section 280G of the Code and
the regulations promulgated thereunder if Q&A 7 of the 280G regulations is applicable and Executive first waives the right
to receive excess parachute payments unless approved by shareholders.

 

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Section 9.     Restrictive
Covenants.

 

(a)            General.
Executive acknowledges and recognizes the highly competitive nature of the business of the Company Group, that access to Confidential
Information renders Executive special and unique within the industry of the Company Group, and that Executive will have the opportunity
to develop substantial relationships with existing and prospective clients, accounts, customers, consultants, contractors, investors,
and strategic partners of the Company Group during the course of and as a result of Executive’s employment with the Company.
In light of the foregoing, as a condition of Executive’s employment by the Company, and in consideration of Executive’s
employment hereunder and the compensation and benefits provided herein, Executive acknowledges and agrees to the Restrictive Covenants,
the terms of which are incorporated herein by reference and made a part hereof. Executive further recognizes and acknowledges that
the restrictions and limitations set forth in the Restrictive Covenants are reasonable and valid in geographical and temporal scope
and in all other respects and are essential to protect the value of the business and assets of the Company Group.

 

(b)            Other
Covenants. Notwithstanding anything contained in this Agreement to the contrary, in the event that Executive is subject to
similar restrictive covenants pursuant to any other agreement with any member of the Company Group, including, without limitation,
under the Equity Documents (“Other Covenants”), the covenants contained in this Agreement shall be in addition
to, and not in lieu of, any such Other Covenants, and enforcement by the Company of the covenants contained in this Agreement shall
not preclude the applicable member of the Company Group from enforcing such Other Covenants in accordance with their terms.

 

Section 10.     Representations
and Warranties of Executive.

 

Executive represents and warrants to the Company
that:

 

(a)            Executive
is entering into this Agreement voluntarily and that his employment hereunder and compliance with the terms and conditions hereof
will not conflict with or result in the breach by him of any agreement to which he is a party or by which he may be bound;

 

(b)            Executive
has not violated, and in connection with his employment with the Company will not violate, any non-solicitation, non-competition,
or other similar covenant or agreement with any Person by which he is or may be bound;

 

(c)            In
connection with his employment with the Company, Executive will not use any confidential or proprietary information he may have
obtained in connection with employment or service with any prior service recipient; and

 

(d)            Executive
has not been terminated from any prior employer or service recipient, or otherwise disciplined in connection any such relationship,
in connection with, or as a result of, any claim of workplace sexual harassment or sex or gender discrimination, and to Executive’s
knowledge, Executive has not been the subject of any investigation, formal allegation, civil or criminal complaint, charge, or
settlement regarding workplace sexual harassment or sex or gender discrimination.

 

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Section 11.     Taxes.

 

The Company may withhold from any payments
made under this Agreement all applicable taxes, including but not limited to income, employment, and social insurance taxes, as
shall be required by law. Executive acknowledges and represents that the Company has not provided any tax advice to him in connection
with this Agreement and that he has been advised by the Company to seek tax advice from his own tax advisors regarding this Agreement
and payments that may be made to him pursuant to this Agreement, including specifically, the application of the provisions of Section 409A
of the Code to such payments.

 

Section 12.     Set
Off; Mitigation.

 

To the extent not prohibited by law or in
violation of Section 409A of the Code, the Company’s obligation to pay Executive the amounts provided and to make the
arrangements provided hereunder shall be subject to set-off, counterclaim, or recoupment of amounts owed by Executive to the Company
or its affiliates; provided, however, that to the extent any amount so subject to set-off, counterclaim, or recoupment
is payable in installments hereunder, such set-off, counterclaim, or recoupment shall not modify the applicable payment date of
any installment, and to the extent an obligation cannot be satisfied by reduction of a single installment payment, any portion
not satisfied shall remain an outstanding obligation of Executive and shall be applied to the next installment only at such time
the installment is otherwise payable pursuant to the specified payment schedule. Executive shall not be required to mitigate the
amount of any payment provided pursuant to this Agreement by seeking other employment or otherwise, and the amount of any payment
provided for pursuant to this Agreement shall not be reduced by any compensation earned as a result of Executive’s other
employment or otherwise.

 

Section 13.     Additional
Section 409A Provisions.

 

Notwithstanding any provision in this Agreement
to the contrary:

 

(a)            Any
payment otherwise required to be made hereunder to Executive at any date as a result of the termination of Executive’s employment
shall be delayed for such period of time as may be necessary to meet the requirements of Section 409A(a)(2)(B)(i) of
the Code (the “Delay Period”). On the first business day following the expiration of the Delay Period, Executive
shall be paid, in a single cash lump sum, an amount equal to the aggregate amount of all payments delayed pursuant to the preceding
sentence, and any remaining payments not so delayed shall continue to be paid pursuant to the payment schedule set forth herein.

 

(b)            Each
payment in a series of payments hereunder shall be deemed to be a separate payment for purposes of Section 409A of the Code.

 

(c)            Notwithstanding
anything herein to the contrary, the payment (or commencement of a series of payments) hereunder of any nonqualified deferred compensation
(within the meaning of Section 409A of the Code) upon a termination of employment shall be delayed until such time as Executive
has also undergone a “separation from service” as defined in Treas. Reg. 1.409A-1(h), at which time such nonqualified
deferred compensation (calculated as of the date of Executive’s termination of employment hereunder) shall be paid (or commence
to be paid) to Executive on the schedule set forth in this Section 7 as if Executive had undergone such termination of employment
(under the same circumstances) on the date of his ultimate “separation from service.”

 

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(d)            To
the extent that any right to reimbursement of expenses or payment of any benefit in-kind under this Agreement constitutes nonqualified
deferred compensation (within the meaning of Section 409A of the Code), (i) any such expense reimbursement shall be made
by the Company no later than the last day of the taxable year following the taxable year in which such expense was incurred by
Executive, (ii) the right to reimbursement or in-kind benefits shall not be subject to liquidation or exchange for another
benefit, and (iii) the amount of expenses eligible for reimbursement or in-kind benefits provided during any taxable year
shall not affect the expenses eligible for reimbursement or in-kind benefits to be provided in any other taxable year; provided,
however, that the foregoing clause shall not be violated with regard to expenses reimbursed under any arrangement covered
by Section 105(b) of the Code solely because such expenses are subject to a limit related to the period the arrangement
is in effect.

 

(e)            While
the payments and benefits provided hereunder are intended to be structured in a manner to avoid the implication of any penalty
taxes under Section 409A of the Code, in no event whatsoever shall any member of the Company Group be liable for any additional
tax, interest, or penalties that may be imposed on Executive as a result of Section 409A of the Code or any damages for failing
to comply with Section 409A of the Code (other than for withholding obligations or other obligations applicable to employers,
if any, under Section 409A of the Code).

 

Section 14.     Successors
and Assigns; No Third-Party Beneficiaries.

 

(a)            The
Company. This Agreement shall inure to the benefit of the Company and its respective successors and assigns. Neither this Agreement
nor any of the rights, obligations, or interests arising hereunder may be assigned by the Company to a Person (other than another
member of the Company Group, or its or their respective successors) without Executive’s prior written consent (which shall
not be unreasonably withheld, delayed, or conditioned); provided, however, that in the event of a sale of all or
substantially all of the assets of the Company or any direct or indirect division or subsidiary thereof to which Executive’s
employment primarily relates, the Company may provide that this Agreement will be assigned to, and assumed by, the acquiror of
such assets, division or subsidiary, as applicable, without Executive’s consent.

 

(b)            Executive.
Executive’s rights and obligations under this Agreement shall not be transferable by Executive by assignment or otherwise,
without the prior written consent of the Company; provided, however, that if Executive shall die, all amounts then
payable to Executive hereunder shall be paid in accordance with the terms of this Agreement to Executive’s devisee, legatee,
or other designee, or if there be no such designee, to Executive’s estate.

 

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(c)            No
Third-Party Beneficiaries. Except as otherwise set forth in Section 7(c) or Section 14(b) hereof, nothing
expressed or referred to in this Agreement will be construed to give any Person other than the Company, the other members of the
Company Group, and Executive any legal or equitable right, remedy, or claim under or with respect to this Agreement or any provision
of this Agreement.

 

Section 15.     Waiver
and Amendments.

 

Any waiver, alteration, amendment, or modification
of any of the terms of this Agreement shall be valid only if made in writing and signed by each of the parties hereto; provided,
however, that any such waiver, alteration, amendment, or modification must be consented to on the Company’s behalf
by the Board. No waiver by either of the parties hereto of their rights hereunder shall be deemed to constitute a waiver with respect
to any subsequent occurrences or transactions hereunder unless such waiver specifically states that it is to be construed as a
continuing waiver.

 

Section 16.     Severability.

 

If any covenants or such other provisions
of this Agreement are found to be invalid or unenforceable by a final determination of a court of competent jurisdiction, (a) the
remaining terms and provisions hereof shall be unimpaired, and (b) the invalid or unenforceable term or provision hereof shall
be deemed replaced by a term or provision that is valid and enforceable and that comes closest to expressing the intention of the
invalid or unenforceable term or provision hereof.

 

Section 17.     Governing
Law; Waiver of Jury Trial.

 

THIS AGREEMENT IS GOVERNED BY AND IS TO BE
CONSTRUED UNDER THE LAWS OF THE STATE OF NEW JERSEY. EACH PARTY TO THIS AGREEMENT ALSO HEREBY WAIVES ANY RIGHT TO TRIAL BY JURY
IN CONNECTION WITH ANY SUIT, ACTION, OR PROCEEDING UNDER OR IN CONNECTION WITH THIS AGREEMENT.

 

Section 18.     Notices.

 

(a)            Place
of Delivery. Every notice or other communication relating to this Agreement shall be in writing, and shall be mailed to or
delivered to the party for whom or which it is intended at such address as may from time to time be designated by it in a notice
mailed or delivered to the other party as herein provided; provided, however, that unless and until some other address
be so designated, all notices and communications by Executive to the Company shall be mailed or delivered to the Company at its
principal executive office, and all notices and communications by the Company to Executive may be given to Executive personally
or may be mailed to Executive at Executive’s last known address, as reflected in the Company’s records.

 

(b)            Date
of Delivery. Any notice so addressed shall be deemed to be given (i) if delivered by hand, on the date of such delivery,
(ii) if mailed by courier or by overnight mail, on the first business day following the date of such mailing, and (iii) if
mailed by registered or certified mail, on the third business day after the date of such mailing.

  

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Section 19.     Section Headings.

 

The headings of the sections and subsections
of this Agreement are inserted for convenience only and shall not be deemed to constitute a part thereof or affect the meaning
or interpretation of this Agreement or of any term or provision hereof.

 

Section 20.     Entire
Agreement.

 

This Agreement, together with any exhibits
attached hereto, constitutes the entire understanding and agreement of the parties hereto regarding the employment of Executive.
This Agreement supersedes all prior negotiations, discussions, correspondence, communications, understandings, and agreements between
the parties relating to the subject matter of this Agreement.

 

Section 21.     Survival
of Operative Sections.

 

Upon any termination of Executive’s
employment, the provisions of Section 7 through Section 22 of this Agreement (together with any related definitions set
forth on Appendix A) shall survive to the extent necessary to give effect to the provisions thereof.

 

Section 22.     Counterparts.

 

This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original but all of which together shall constitute one and the same instrument.
The execution of this Agreement may be by actual or facsimile signature.

 

*     *     *

 

[Signatures to appear on the following page.]

 

    12

     

    

 

IN WITNESS WHEREOF, the undersigned have executed
this Agreement as of the date first above written.

 

	 	CERTARA USA, INC.
	 	 
	 	 
	 	/s/ Judith Dickinson
	 	By:
	 	Title:
	 	 
	 	 
	 	EXECUTIVE
	 	 
	 	 
	 	/s/ Craig Rayner
	 	Craig Rayner

 

    

     

    

 

Exhibit A

 

RELEASE OF CLAIMS

 

As used in this Release of Claims (this “Release”),
the term “claims” will include all claims, covenants, warranties, promises, undertakings, actions, suits, causes of
action, obligations, debts, accounts, attorneys’ fees, judgments, losses, and liabilities, of whatsoever kind or nature,
in law, in equity, or otherwise.

 

For and in consideration of the Severance
Benefits, and other good and valuable consideration, I, [Executive], for and on behalf of myself and my heirs, administrators,
executors, and assigns, effective the date on which this release becomes effective pursuant to its terms, do fully and forever
release, remise, and discharge each of the Parent and each of its direct and indirect subsidiaries and affiliates, including the
Company, together with their respective officers, directors, partners, shareholders, employees, and agents (collectively, the “Group”)
from any and all claims whatsoever up to the date hereof that I had, may have had, or now have against the Group, for or by reason
of any matter, cause, or thing whatsoever, including any claim arising out of or attributable to my employment or the termination
of my employment with the Company, whether for tort, breach of express or implied employment contract, intentional infliction of
emotional distress, wrongful termination, unjust dismissal, defamation, libel, or slander, or under any federal, state, or local
law dealing with discrimination based on age, race, sex, national origin, handicap, religion, disability, or sexual orientation.
This release of claims includes, but is not limited to, all claims arising under the Age Discrimination in Employment Act (“ADEA”),
Title VII of the Civil Rights Act, the Americans with Disabilities Act, the Civil Rights Act of 1991, the Family Medical Leave
Act, and the Equal Pay Act, each as may be amended from time to time, and all other federal, state, and local laws, the common
law, and any other purported restriction on an employer’s right to terminate the employment of employees. The release contained
herein is intended to be a general release of any and all claims to the fullest extent permissible by law.

 

I acknowledge and agree that as of the date
I execute this Release, I have no knowledge of any facts or circumstances that give rise or could give rise to any claims
under any of the laws listed in the preceding paragraph.

 

By executing this Release, I specifically
release all claims relating to my employment and its termination under ADEA, a United States federal statute that, among other
things, prohibits discrimination on the basis of age in employment and employee benefit plans.

 

Notwithstanding any provision of this Release
to the contrary, by executing this Release, I am not releasing (i) any claims relating to my rights under Section 7
of the Employment Agreement, (ii) any claims that cannot be waived by law, (iii) any claims with respect to any securities
of the Company that I own or (iv) my right of indemnification as provided by, and in accordance with the terms of, the Company’s
by-laws or a Company insurance policy providing such coverage, as any of such may be amended from time to time.

 

I expressly acknowledge and agree that I –

 

·          Am
able to read the language, and understand the meaning and effect, of this Release;

 

    

     

    

 

·          Have
no physical or mental impairment of any kind that has interfered with my ability to read and understand the meaning of this Release
or its terms, and that I am not acting under the influence of any medication, drug, or chemical of any type in entering into this
Release;

 

·          Am
specifically agreeing to the terms of the release contained in this Release because the Company has agreed to pay me the Severance
Benefits in consideration for my agreement to accept it in full settlement of all possible claims I might have or ever had, and
because of my execution of this Release;

 

·          Acknowledge
that, but for my execution of this Release, I would not be entitled to the Severance Benefits;

 

·          Understand
that, by entering into this Release, I do not waive rights or claims under ADEA that may arise after the date I execute this
Release;

 

·          Had
or could have [twenty-one (21)][forty-five (45)]1
days from the date of my termination of employment (the “Release Expiration Date”) in which to review and consider
this Release, and that if I execute this Release prior to the Release Expiration Date, I have voluntarily and knowingly waived
the remainder of the review period;

 

·          Have
not relied upon any representation or statement not set forth in this Release or my Employment Agreement made by the Company or
any of its representatives;

 

·          Was
advised to consult with my attorney regarding the terms and effect of this Release; and

 

·          Have
signed this Release knowingly and voluntarily.

 

I represent and warrant that I have not previously
filed, and to the maximum extent permitted by law agree that I will not file, a complaint, charge, or lawsuit against any member
of the Group regarding any of the claims released herein. If, notwithstanding this representation and warranty, I have filed
or file such a complaint, charge, or lawsuit, I agree that I shall cause such complaint, charge, or lawsuit to be dismissed
with prejudice and shall pay any and all costs required in obtaining dismissal of such complaint, charge, or lawsuit, including
without limitation the attorneys’ fees of any member of the Group against whom I have filed such a complaint, charge, or
lawsuit. This paragraph shall not apply, however, to a claim of age discrimination under ADEA or to any non-waivable right to file
a charge with the United States Equal Employment Opportunity Commission (the “EEOC”); provided, however,
that if the EEOC were to pursue any claims relating to my employment with Company, I agree that I shall not be entitled to
recover any monetary damages or any other remedies or benefits as a result and that this Release and the Severance Benefits will
control as the exclusive remedy and full settlement of all such claims by me.

 

 

	1	To be selected based on whether applicable termination
was “in connection with an exit incentive or other employment termination program” (as such phrase is defined in the
Age Discrimination in Employment Act of 1967).

 

    2

     

    

 

Nothing in this Release shall prohibit or
impede me from communicating, cooperating or filing a complaint with any Governmental Entity with respect to possible violations
of any U.S. federal, state or local law or regulation, or otherwise making disclosures to any Governmental Entity, in each case,
that are protected under the whistleblower provisions of any such law or regulation; provided, that in each case such communications
and disclosures are consistent with applicable law. I understand and acknowledge that an individual shall not be held criminally
or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that is made (1) in confidence
to a federal, state, or local government official or to an attorney solely for the purpose of reporting or investigating a suspected
violation of law, or (2) in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under
seal. I understand and acknowledge further that an individual who files a lawsuit for retaliation by an employer for reporting
a suspected violation of law may disclose the trade secret to the attorney of the individual and use the trade secret information
in the court proceeding, if the individual files any document containing the trade secret under seal; and does not disclose the
trade secret, except pursuant to court order. Except as otherwise provided in this paragraph or under applicable law, under no
circumstance am I authorized to disclose any information covered by the Company’s attorney-client privilege or attorney work
product, or the Company’s trade secrets, without the prior written consent of the Company’s General Counsel or other
officer designated by the Company. I do not need the prior authorization of (or to give notice to) any member of the Company Group
regarding any communication, disclosure, or activity permitted by this paragraph.

 

I hereby agree to waive any and all claims
to re-employment with the Company or any other member of the Company Group and affirmatively agree not to seek further employment
with the Company or any other member of the Company Group.

 

Notwithstanding anything contained herein
to the contrary, this Release will not become effective or enforceable prior to the expiration of the period of seven (7) calendar
days following the date of its execution by me (the “Revocation Period”), during which time I may revoke my
acceptance of this Release by notifying the Company, in writing, delivered to the Company at its principal executive office, marked
for the attention of its General Counsel, with copy to the Board. To be effective, such revocation must be received by the Company
no later than 11:59 p.m. on the seventh (7th) calendar day following the execution of this Release. Provided that
the Release is executed and I do not revoke it during the Revocation Period, the eighth (8th) day following the date
on which this Release is executed shall be its effective date. I acknowledge and agree that if I revoke this Release during the
Revocation Period, this Release will be null and void and of no effect, and neither the Company nor any other member of the Group
will have any obligations to pay me the Severance Benefits.

 

The provisions of this Release shall be binding
upon my heirs, executors, administrators, legal personal representatives, and assigns. If any provision of this Release shall be
held by any court of competent jurisdiction to be illegal, void, or unenforceable, such provision shall be of no force or effect.
The illegality or unenforceability of such provision, however, shall have no effect upon and shall not impair the enforceability
of any other provision of this Release.

 

    3

     

    

 

EXCEPT WHERE PREEMPTED BY FEDERAL LAW, THIS
RELEASE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH FEDERAL LAW AND THE LAWS OF THE STATE OF DELAWARE, APPLICABLE TO
AGREEMENTS MADE AND TO BE PERFORMED IN THAT STATE WITHOUT GIVING EFFECT TO THE PRINCIPLES OF CONFLICTS OF LAWS. I HEREBY WAIVE
ANY RIGHT TO TRIAL BY JURY IN CONNECTION WITH ANY SUIT, ACTION, OR PROCEEDING UNDER OR IN CONNECTION WITH THIS RELEASE.

 

Capitalized terms used, but not defined herein,
shall have the meanings ascribed to such terms in my Employment Agreement, dated [May __, 2019], with the Company (the “Employment
Agreement”).

 

    4

     

    

 

Exhibit I

 

Definitions

 

“83(b) Election” shall have the
meaning set forth in Section 8.

 

“Agreement” shall have the meaning
set forth in the Preamble.

 

“Business” shall have the meaning
set forth in Section 1(a) of Appendix A.

 

“Call Right” shall have the meaning
set forth in Section 10(a).

 

“Cause” shall have the meaning set
forth in the Plan.

 

“Change in Control” means (i) the
sale (whether by merger, recapitalization or other sale or business combination transaction) of all or substantially all of the
assets of the Partnership (in one transaction or a series of related transactions) to any person (or group of persons acting in
concert), other than to (A) the Initial EQT Investors or one of their respective affiliates, (B) any employee benefit
plan (or trust forming a part thereof) maintained by the Partnership or any of its subsidiaries, or (C) any other person of
which a majority of its voting power or other equity securities is owned, directly or indirectly, by the Partnership (any entity
in clause (B) or (C), a “Controlled Party”); or (ii) a merger, recapitalization of the Partnership,
or other sale or business combination by the Partnership (in one transaction or a series of related transactions) to a person (or
group of persons acting in concert), in each case, that results in any person (or group of persons acting in concert) (other than
(A) the Initial EQT Investors or their affiliates or (B) any Controlled Party) owning more than 50% of the equity interests
or voting power of the Partnership (or any resulting entity after a merger or business combination transaction). For the avoidance
of doubt, none of an IPO, stock dividend or distribution, stock split, or any other similar capital structure change shall alone
constitute a Change in Control.

 

“Competitive Activities” shall have
the meaning set forth in Section 1(a) of Appendix A.

 

“Confidential Information” shall have
the meaning set forth in Section 2(a)(ii) of Appendix A.

 

“Date of Grant” shall have the meaning
set forth in the Preamble.

 

“Disability” shall have the meaning
set forth in the Plan.

 

“Employment Term” shall have the meaning
set forth in Section 1(a) of Appendix A.

 

“Exchange Act” means the Securities
Exchange Act of 1934, as amended from time to time, and the rules and regulations promulgated pursuant thereto.

 

“Fair Market Value” means the fair
market value of a Class B Unit as determined by the Board assuming a hypothetical orderly liquidation of the Partnership and
without regard to any discount for lack of liquidity or minority interest.

 

    

     

    

 

“Final Measurement Date” means the
earlier to occur of (i) a Change in Control or (ii) following an IPO, the date upon which the Initial EQT Investors no
longer holds equity securities of the Partnership (or such other entity that an IPO of the Partnership is effectuated through)
representing more than 10% of the outstanding equity securities of such entity.

 

“Governmental Entity” shall have the
meaning set forth in Section 2(a)(v) of Appendix A.

 

“Inventions” shall have the meaning
set forth in Section 2(b)(i) of Appendix A.

 

“IPO” means (i) the first registered
initial public offering in the United States or foreign jurisdiction of the equity securities of the IPO Corporation or any entity
into which the equity securities of the IPO Corporation may be converted in connection with such offering, pursuant to an effective
registration statement under the Securities Act (other than a registration statement on Forms S-4 or S-8 or any similar form) or
pursuant to other applicable foreign Laws or (ii) the date of effectiveness of a registration of a class of securities of
the IPO Corporation or any entity into which the securities of the IPO Corporation may be converted in connection with such registration
under the Exchange Act to be traded on a national securities exchange that has registered with the United States Securities and
Exchange Commission under Section 6 of the Exchange Act.

 

“IPO Corporation” means the entity
that undertakes the IPO as determined by the General Partner of the Partnership.

 

“IRS” shall have the meaning set forth
in Section 8.

 

“Marketable Securities” means securities
that (i) are traded on the New York Stock Exchange, the NASDAQ Stock Market or any similar national securities exchange, or
any successor thereto, and (ii) are, at the time of receipt, registered pursuant to an effective registration statement filed
under the Securities Act and will remain registered until such time as such securities can be sold by the holder thereof pursuant
to Rule 144; provided that Marketable Securities shall not include any securities of the Partnership (or any entity which
the Partnership effectuates an IPO through). The fair market value of any Marketable Securities will equal the volume-weighted
average of the closing prices on the principal securities exchange on which such Marketable Securities are listed for the (20)
trading days preceding the trading day immediately preceding the day on which a definitive agreement is entered into with respect
to the transaction that results in the receipt of such Marketable Securities by the Initial EQT Investors.

 

“Measurement Date” means (i) prior
to the Final Measurement Date, each date upon which the Initial EQT Investors receive Sponsor Cash Amounts, or (ii) the Final
Measurement Date.

 

“Participant” shall have the meaning
set forth in the Preamble.

 

“Partnership” shall have the meaning
set forth in the Preamble.

 

“Performance Vesting Units” shall
have the meaning set forth in Section 3(b).

 

“Plan” shall have the meaning set
forth in the Recitals.

 

    2

     

    

 

“Proprietary Rights” shall have the
meaning set forth in Section 2(b)(i) of Appendix A.

 

“RC Breach” means Participant’s
breach of Sections 1(a) and (b) of Appendix A hereto or any similar corresponding provision applicable to Participant
under a written agreement between members of the Partnership Group, from time to time.

 

“Repurchase Date” shall have the meaning
set forth in Section 10(c).

 

“Restrictive Covenant Agreement” means
the restrictive covenants attached hereto as Appendix A or any covenants of non-competition, non-solicitation, non-interference,
no-hire, non-disparagement, confidentiality or similar covenants contained in any employment agreement or similar agreement between
the Participant and a member of the Partnership Group.

 

“Restrictive Covenant Period” shall
have the meaning set forth in Section 1(a) of Appendix A.

 

“Return on Investment” means, as of
any Measurement Date, the quotient obtained by dividing (i) Sponsor Cash Amounts by (ii) Sponsor Cash Invested; provided,
that, (x) in the case of prong (i) of the definition of Final Measurement Date, the Return on Investment achieved by
the Initial EQT Investors in connection with such Final Measurement Date shall be determined as if 100% of the Partnership was
sold in connection with such Change in Control at the price per unit received by the Initial EQT Investors in such Change in Control
and (y) in the case of prong (ii) of the definition of Final Measurement Date, the Return on Investment achieved by the
Initial EQT Investors in connection with such Final Measurement Date shall be determined as if the remaining equity holdings were
sold at a fair market value equal to the volume-weighted average of the closing prices on the principal securities exchange on
which such equity holdings are listed for the twenty (20) trading days preceding the trading day immediately preceding the Final
Measurement Date.

 

“Securities Act” means the Securities
Act of 1933, as amended from time to time.

 

“Sponsor Cash Amounts” means, as of
any Measurement Date, without duplication, the cumulative amount of all cash (including cash dividends, cash distributions, and
cash proceeds) and the fair market value of any Marketable Securities, in each case actually received by the Initial EQT Investors
on or before such Measurement Date with respect to or in exchange for equity securities of the Partnership (including, in each
case, any portion subject to escrow or holdback and the value of any earnout); provided, however, that Sponsor Cash
Amounts, as determined in connection with a Change in Control, shall also include the fair market value, as determined by the Board
in good faith, of any securities that are not Marketable Securities received in connection with such Change in Control.

 

“Sponsor Cash Invested” means, as
of any Measurement Date, without duplication, all cash invested by the Initial EQT Investors in equity securities of the Partnership
on or before such Measurement Date, including any additional capital invested in the Partnership by the Initial EQT Investors following
the Closing and through such applicable Measurement Date.

 

“Time Vesting Units” shall have the
meaning set forth in Section 3(a).

 

    3

     

    

 

Appendix A

 

Restrictive Covenants

 

1.            Non-Competition;
Non-Solicitation; Non-Interference. Participant acknowledges and recognizes the highly competitive nature of the businesses
of the Partnership Group and its Affiliates and accordingly agrees as follows:

 

(a)            Prior
to the Participant’s Termination for any reason (the “Employment Term”) and until the first anniversary
of Participant’s Termination (the “Restrictive Covenant Period”), Participant will not (i) directly
or indirectly, in any geographic location in which the Partnership Group engages, own, operate, manage, control, invest in, lend
to, acquire an interest in, or otherwise engage or participate in (whether as an employee, independent contractor, consultant,
partner, shareholder, joint venturer, investor, or any other type of participant) the management or conduct of any business activities,
whether through selling, distributing, manufacturing, marketing, purchasing, or otherwise, that compete directly or indirectly
with the Partnership or any member of the Partnership Group (“Competitive Activities”), it being understood
that Competitive Activities as of the date hereof include, without limitation, principally engaging in the business of model based
drug development consulting services or technology solutions, including with respect to discovery, pre-clinical, clinical and post-marketing
drug development and regulatory submissions and review and any other business in which the Partnership is actively engaged at the
time of termination (the “Business”).

 

(b)            During
the Restrictive Covenant Period, Participant will not directly or indirectly:

 

(i)            (A) solicit
or induce any customer, supplier, licensee, or other business relation (or any actively sought prospective customer, supplier,
licensee, or other business relation) of the Partnership or any member of the Partnership Group to cease doing business with or
materially reduce the amount of business conducted with the Partnership or any member of the Partnership Group, or interfere with
the relationship between any such customer, supplier, licensee, or other business relation (or any actively sought prospective
customer, supplier, licensee, or other business relation) and the Partnership or any member of the Partnership Group; or (B) knowingly
or intentionally assist any Person in any substantive or direct way to do, or attempt to do, anything prohibited by clause (A) above;
or

 

(ii)            (A) solicit
or hire, directly or indirectly, for employment, or assist others in hiring, employing, inducing, or soliciting for employment
(except in the performance of Participant’s duties), any employees of the Partnership or any member of the Partnership Group
(or individuals who were employed during the one-year period prior to the termination of Participant’s employment with the
Service Recipient); or (B) knowingly or intentionally assist any Person in any substantive or direct way to do, or attempt
to do, anything prohibited by clause (A) above.

 

    

     

    

 

(c)            If
a final and non-appealable judicial determination is made that any of the provisions of this Section 1 constitutes an unreasonable
or otherwise unenforceable restriction against Participant, the provisions of this Section 1 will not be rendered void but
will be deemed to be modified to the minimum extent necessary to remain in force and effect for the longest period and largest
geographic area that would not constitute such an unreasonable or unenforceable restriction. Moreover, notwithstanding the fact
that any provision of this Section 1 is determined not to be specifically enforceable, the Partnership will nevertheless be
entitled to recover monetary damages as a result of Participant’s breach of such provision.

 

(d)            The
period of time during which the provisions of this Section 1 shall be in effect shall be extended by the length of time during
which Participant is in breach of the terms hereof.

 

(e)            The
provisions of Section 1 hereof shall survive the termination of Participant’s employment for any reason.

 

2.            Confidentiality;
Intellectual Property.

 

(a)            Confidentiality.

 

(i)            Participant
acknowledges that the Confidential Information obtained by Participant while employed by the Service Recipient is the property
of the Partnership Group. Therefore, Participant agrees that Participant shall not disclose to any unauthorized Person or use for
Participant’s own purposes any Confidential Information without the prior written consent of the Partnership, unless and
to the extent that the aforementioned matters become generally known to and available for use by the public other than as a result
of Participant’s acts or omissions in violation of this Agreement; provided, however, that if Participant receives a request
to disclose Confidential Information pursuant to a deposition, interrogation, request for information or documents in legal proceedings,
subpoena, civil investigative demand, governmental or regulatory process, or similar process, (i) Participant shall, as promptly
as practicable, notify in writing the Partnership, and consult with and reasonably assist the Partnership, at the Partnership’s
expense, in seeking a protective order or request for other appropriate remedy, (ii) in the event that such protective order
or remedy is not obtained, or if the Partnership waives compliance with the terms hereof, Participant shall disclose only that
portion of the Confidential Information which, based on the advice of Participant’s legal counsel, is legally required to
be disclosed and shall exercise reasonable best efforts to provide that the receiving Person shall agree to treat such Confidential
Information as confidential to the extent possible (and permitted under applicable law) in respect of the applicable proceeding
or process, and (iii) the Partnership shall be given an opportunity to review the Confidential Information prior to disclosure
thereof.

 

(ii)            For
purposes of this Agreement, “Confidential Information” means information, observations, and data concerning
the business or affairs of the Partnership Group, including, without limitation, all business information (whether or not in written
form) that relates to any member of the Partnership Group, or its customers, suppliers, or contractors or any other third parties
in respect of which the Partnership or any member of the Partnership Group has a business relationship or owes a duty of confidentiality,
or their respective businesses or products, and that is not known to the public generally other than as a result of Participant’s
breach of this Agreement, including but not limited to technical information or reports, formulas, trade secrets, unwritten knowledge
and “know-how,” operating instructions, training manuals, customer lists, customer buying records and habits, product
sales records and documents, and product development, marketing, and sales strategies, market surveys, marketing plans, profitability
analyses, product cost, long-range plans, information relating to pricing, competitive strategies, and new product development,
information relating to any forms of compensation or other personnel-related information, contracts, and supplier lists. Confidential
Information will not include such information known to Participant prior to Participant’s involvement with the Partnership
or any predecessor thereof or information rightfully obtained from a third party (other than pursuant to a breach by Participant
of this Agreement). Without limiting the foregoing, Participant and the Partnership each agree to keep confidential the existence
of, and any information concerning, any dispute between Participant and the Partnership or any member of the Partnership Group,
except that Participant and the Partnership each may disclose information concerning such dispute to the court that is considering
such dispute or to their respective legal counsel (provided that such counsel agrees not to disclose any such information other
than as necessary to the prosecution or defense of such dispute).

 

    2

     

    

 

(iii)          Participant
acknowledges that all notes, memoranda, specifications, devices, formulas, records, files, lists, drawings, documents, models,
equipment, property, computer, software, or intellectual property relating to the businesses of the Partnership Group, in whatever
form (including electronic), and all copies thereof, that are received or created by Participant while an employee of the Service
Recipient (including but not limited to Confidential Information and Inventions) are and shall remain the property of the Partnership
Group, and Participant shall as promptly as practicable return such property to the Partnership upon the termination of Participant’s
employment and, in any event, at the Partnership’s request. Participant agrees further that any property situated on the
premises of, and owned by, the Partnership or any member of the Partnership Group, including disks and other storage media, filing
cabinets, and other work areas, is subject to inspection by the Partnership’s personnel at any time with or without notice.

 

(iv)          Participant
agrees further that Participant will not improperly use or disclose any confidential information or trade secrets, if any, of
any former employers or any other Person to whom Participant has an obligation of confidentiality, and will not bring onto
the premises of the Partnership or any member of the Partnership Group any unpublished documents or any property belonging to
any former employer or any other Person to whom Participant has an obligation of confidentiality unless consented to in
writing by the former employer or other Person.

 

(b)            Nothing
in this Agreement shall prohibit or impede the Participant from communicating, cooperating or filing a complaint with any U.S.
federal, state or local governmental or law enforcement branch, agency or entity (collectively, a “Governmental Entity”)
with respect to possible violations of any U.S. federal, state or local law or regulation, or otherwise making disclosures to any
Governmental Entity, in each case, that are protected under the whistleblower provisions of any such law or regulation, provided
that in each case such communications and disclosures are consistent with applicable law. The Participant understands and acknowledges
that an individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure
of a trade secret that is made (i) in confidence to a federal, state, or local government official or to an attorney solely
for the purpose of reporting or investigating a suspected violation of law, or (ii) in a complaint or other document filed
in a lawsuit or other proceeding, if such filing is made under seal. The Participant understands and acknowledges further that
an individual who files a lawsuit for retaliation by an employer for reporting a suspected violation of law may disclose the trade
secret to the attorney of the individual and use the trade secret information in the court proceeding, if the individual files
any document containing the trade secret under seal; and does not disclose the trade secret, except pursuant to court order. Notwithstanding
the foregoing, under no circumstance will the Participant be authorized to disclose any information covered by attorney-client
privilege or attorney work product of any member of the Company without prior written consent of the Company’s General Counsel
or other officer designated by the Company.

 

    3

     

    

 

(c)            Intellectual
Property.

 

(i)            Participant
agrees that the results and proceeds of Participant’s services for the Partnership Group (including, but not limited to,
any Confidential Information and other trade secrets, products, services, processes, know-how, designs, developments, innovations,
analyses, drawings, reports, techniques, formulas, methods, developmental or experimental work, improvements, discoveries, inventions,
ideas, source and object codes, programs, matters of a literary, musical, dramatic, or otherwise creative nature, writings, and
other works of authorship) resulting from services performed while an employee of the Partnership and any works in progress, whether
or not patentable or registrable under copyright or similar statutes, that were made, developed, conceived, or reduced to practice
or learned by Participant, either alone or jointly with others (collectively, “Inventions”), shall be
works-made-for-hire, and the Partnership (or, if applicable or as directed by the Partnership, any member of the Partnership Group)
shall be deemed the sole owner throughout the universe of any and all trade secret, patent, copyright, and other intellectual property
rights (collectively, “Proprietary Rights”) of whatsoever nature therein, whether or not now or hereafter
known, existing, contemplated, recognized, or developed, with the right to use the same in perpetuity in any manner the Partnership
determines in its sole discretion, without any further payment to Participant whatsoever. If, for any reason, any of such results
and proceeds shall not legally be a work-made-for-hire or there are any Proprietary Rights that do not accrue to the Partnership
(or, as the case may be, any member of the Partnership Group) under the immediately preceding sentence, then Participant hereby
irrevocably assigns and agrees to assign any and all of Participant’s right, title, and interest thereto, including any and
all Proprietary Rights of whatsoever nature therein, whether or not now or hereafter known, existing, contemplated, recognized,
or developed, to the Partnership (or, if applicable or as directed by the Partnership, any member of the Partnership Group), and
the Partnership or such member of the Partnership Group shall have the right to use the same in perpetuity throughout the universe
in any manner determined by the Partnership or such member of the Partnership Group without any further payment to Participant
whatsoever. As to any Invention that Participant is required to assign, Participant shall promptly and fully disclose to the Partnership
all information known to Participant concerning such Invention.

 

    4

     

    

  

(ii)           Participant
agrees that, from time to time, as may be requested by the Partnership and at the Partnership’s sole cost and expense,
Participant shall do any and all things that the Partnership may reasonably deem useful or desirable to establish or document
the Partnership’s exclusive ownership throughout the United States of America or any other country of any and all
Proprietary Rights in any such Inventions, including the execution of appropriate copyright or patent applications or
assignments. To the extent that Participant has any Proprietary Rights in the Inventions that cannot be assigned in the
manner described above, Participant unconditionally and irrevocably waives the enforcement of such Proprietary Rights. This
Section 2(b)(ii) is subject to and shall not be deemed to limit, restrict, or constitute any waiver by the
Partnership of ownership of any Proprietary Rights to which the Partnership (or other applicable member of the Partnership
Group) may be entitled by operation of law by virtue of the Partnership’s (or other applicable member of the
Partnership Group’s) being Participant’s employer. Participant agrees further that, from time to time, as may be
requested by the Partnership and at the Partnership’s sole cost and expense, Participant shall assist the Partnership
in every reasonable, proper and lawful way to obtain and from time to time enforce Proprietary Rights relating to Inventions
in any and all countries. To this end, Participant shall execute, verify, and deliver such documents and perform such other
acts (including appearances as a witness) as the Partnership may reasonably request for use in applying for, obtaining,
perfecting, evidencing, sustaining, and enforcing such Proprietary Rights and the assignment thereof. In addition,
Participant shall execute, verify, and deliver assignments of such Proprietary Rights to the Partnership or its designees.
Participant’s obligation to assist the Partnership with respect to Proprietary Rights relating to such Inventions in
any and all countries shall continue beyond the termination of Participant’s employment with the Service
Recipient.

 

(iii)          Participant
hereby waives and quitclaims to the Partnership any and all claims, of any nature whatsoever, that Participant now or may hereafter
have for infringement of any Proprietary Rights assigned hereunder to the Partnership.

 

3.            Non-Disparagement.
Participant shall not, whether in writing (electronically or otherwise) or orally, malign, denigrate, or disparage the Partnership,
any other member of the Partnership Group, or any of their respective predecessors or successors, or any of their respective current
or former managers, directors, officers, employees, shareholders, partners, members, agents, or representatives, with respect
to any of their respective past or present activities, or otherwise publish (whether in writing (electronically or otherwise)
or orally) statements that tend to portray any of the aforementioned parties in an unfavorable light.

 

    5Exhibit 10.15

EMPLOYMENT AGREEMENT

 

EMPLOYMENT AGREEMENT,
dated as of               (the “Effective Date”),
between Certara USA, Inc. (the “Company” or “Company Group”), and Justin Edge (the “Employee”).

 

1.            Employment
Duties and Acceptance.

 

1.1            Employment
by the Company. Effective as of January 23, 2019, or such other date as shall be mutually agreed (“Start Date”),
the Company shall employ the Employee, for itself and its subsidiaries and affiliates, to render exclusive and full-time services
in the capacity of President, Regulatory Science of the Company. Employee shall be an “at-will” employee for all purposes.

 

1.2            Duties
and Responsibilities. The Employee shall have duties and responsibilities consistent with his/her position, subject to the
oversight and direction by the CEO and the board of directors of the Company or its direct or indirect parent entity, or their
respective designee (each, the “Board”). To the extent necessary to meet the Company’s business goals,
the CEO or the Board may modify Employee’s duties or assign new duties to Employee or modify Employee’s reporting relationships.
The Employee shall devote substantially all of the Employee’s working time and efforts to the business and affairs of the
Company. Employee shall not, without the prior approval of the Board, whether for compensation or otherwise, directly or indirectly,
alone or as a member of any partnership or other organization, be actively engaged in or concerned with any other business duties
or personal pursuits which interfere with the performance of the Employee’s responsibilities under this Agreement. Notwithstanding
the foregoing, Employee may provide services as a volunteer or director to charitable, educational or civic organizations; act
as a member, director or officer of any industry trade association or group; and he or she may serve as a trustee, director or
advisor to any family companies or trusts; provided that, in all cases, (i) Employee has notified Company of such activities
and (ii) such services or acts shall not, in the reasonable judgment of the CEO or Board, interfere or be likely to interfere
with Employee’s ability to discharge Employee’s duties and responsibilities to the Company. Employee shall faithfully
adhere to, execute, and fulfill all lawful policies established by the Company.

 

1.3            Acceptance
of Employment by the Employee. The Employee accepts such employment and shall render the services described above. Subject
to appointment by the Board as such, the Employee may also serve as an officer of any other entity controlled by, or under common
control with, the Company, and as a director of the Company and of any other entity controlled by or under common control with
the Company, in each case without any compensation therefor other than that specified in this Agreement. Upon request, or upon
termination of employment with Company hereunder for any reason, the Employee shall, upon request, resign as a director or officer
of the Company and of any other entity controlled by, or under common control with, the Company.

 

1.4            Place
of Employment. The Employee’s principal place of employment shall be Wilmington, DE (the “Employment Location”),
subject to such reasonable travel as the rendering of the services hereunder may require. The Company acknowledges the Employee
will maintain a permanent residence in the Chicago area but is expected to be on-site at the Company’s DE/PA/NJ offices for
a significant portion of the Employee’s time, as the needs of the business dictate.

 

     

     

    

 

2.            Term
of Employment. The stated tenn of employment under this Agreement (the “Term”) shall commence on the Start
Date and shall continue until Employee ceases to be employed by the Company or any of the Company Group for any reason.

 

3.            Compensation.

 

3.1            Salary.
As compensation for all services to be rendered pursuant to this Agreement, the Company shall pay the Employee during the Term
a salary, initially $375,000 per annum, payable in installments at such times as the Company customarily pays its other employees
(but in any event no less often than monthly), less such deductions as shall be required to be withheld by applicable rules and
regulations (the “Base Salary”). The Base Salary shall be reviewed at least once per year.

 

3.2            Incentive
Bonus. In addition to his Base Salary, Employee shall be eligible to receive an annual incentive bonus in an amount up to 35%
of Employee’s Base Salary (the “Incentive Bonus”) in the sole discretion of the Board. The applicable
criteria for achieving an Incentive Bonus shall be established by the Board annually.

 

4.            Equity.
Effective upon the Start Date, Executive is hereby granted profits interests equal to such number of Class B Profits Interest
Units of the equity of EQT Avatar Parent L.P., an indirect parent company of the Company (“Parent”) and on the
terms of the equity compensation plan of Parent, as may be in effect at the time of such option grant (the “Plan”),
and a grant agreement (“Grant Agreement”) on such terms as provided to other senior level executives of the
Company, as more fully set forth in such Grant Agreement as has been provided under separate cover.

 

4.1            Participation
in Employee Benefit Plans. The Employee shall be permitted, if and to the extent eligible, to participate on the same terms
in any group life, hospitalization or disability insurance plan, health program, pension plan or similar benefit plan of the Company
that is available generally to other employees of the Company. The Company may amend or terminate its benefit plans at any time
in its discretion.

 

4.2            Expenses.
Subject to policies applicable to employees of the Company generally, as may from time to time be established by the Board, the
Company shall pay or reimburse the Employee for reasonable travel, entertainment and other business expenses actually incurred
or paid by the Employee during the Term in the performance of the Employee’s services under this Agreement, and which expenses
are consistent with the Company’s policies in effect from time to time with respect to such travel, entertainment and other
business expenses, upon presentation of expense statements or vouchers or such other supporting information as it may require.

 

4.3            Paid
Time Off. The Employee shall be entitled to paid time off in accordance with the Company’s PTO policy.

 

    2

     

    

 

5.            Termination.

 

5.1           Termination
upon Death. If the Employee dies while employed by the Company, this Agreement shall terminate and the Employee or the Employee’s
estate shall be entitled only to receive the Accrued Obligations payable through the date of such death.

 

5.2           Termination
upon Disability. If the Employee becomes physically or mentally disabled while employed by the Company (whether totally or
partially, so that the Employee is unable substantially to perform the Employee’s services hereunder as determined, in good
faith, by the Board following consultation with medical advisors selected by the Board) for (a) a period of three consecutive
months, or (b) for shorter periods aggregating three months during any six month period (in each of clauses (a) and (b),
such time periods shall include any legally required leaves of absence or accommodation), the Company may, by written notice to
the Employee, terminate the Employee’s employment. In the event of termination of the Employee’s employment by the
Company by reason of disability, the Employee shall be entitled only to receive the Accrued Obligations payable through the date
of termination.

 

5.3           Termination
for Cause. The Company may at any time by written notice to the Employee terminate the Employee’s employment for Cause
(as defined below) and the Employee shall be entitled only to receive the Accrued Obligations payable through the date of termination.

 

5.4           Termination
with Good Reason or without Cause. The Employee may terminate the Employee’s employment with the Company at any time
with Good Reason (as defined below), and the Company may terminate the Employee’s employment without Cause, in each case
upon ten (10) days written notice to the other party thereto. Following a termination by the Employee with Good Reason or
by the Company without Cause, and so long as the Employee has not breached and does not breach the provisions of Sections 5.1,
5.2, 5.3, 5.4 or 5.5 and the Employee has entered into an effective general release of claims reasonably satisfactory to the Company
that becomes effective and irrevocable by no later than the 30th day after Employee’s termination of employment, the Employee
shall have the right to:

 

(a)           Payment
by the Company of an amount equal to the Accrued Obligations as of the date of termination, which shall be paid when they otherwise
would have been paid had Employee not been terminated; and

 

(b)           Continuation
of Employee's then-applicable Base Salary for:

 

(i)            twelve
(12) months, if the termination pursuant to this section 5.4 occurs during the first twelve (12) months of Employee’s employment;
and

 

(ii)            nine
(9) months, if the termination pursuant to this section 5.4 occurs any time after the first twelve (12) months of Employee’s
employment;

 

in each case under section 5.4(b)(i) or (ii),
payable in accordance with the Company’s normal payroll practices.

 

    3

     

    

 

For purposes of this
Agreement:

 

“Accrued Obligations”
means as of the date of Employee’s termination, (a) Employee’s earned but unpaid Base Salary, if any, through
such date, and (b) any unreimbursed business expenses payable to Employee pursuant to applicable Company policy and (c) any
Incentive Bonus that has been authorized by the Board and awarded by the CEO but not previously paid to the Employee with respect
to the fiscal year preceding the fiscal year in which such date of termination occurs.

 

“Cause”
means (i) conviction of Employee of any felony, or the conviction of Employee of a misdemeanor which involves moral turpitude,
or the entry by Employee of a plea of guilty or nolo contendere with respect to any of the foregoing, (ii) the commission
of any act or failure to act by Employee that involves moral turpitude, dishonesty, theft, destruction of property, fraud, embezzlement
or unethical business conduct, or that otherwise causes material injury to the Company or any of its affiliates, whether financially
or otherwise, (iii) any breach by Employee of any rule or policy of the Company or any of its affiliates, and the failure
of Employee to cure such violation (to the extent such violation is capable of being cured) under this clause (iii) within
twenty (20) days after receipt of written notice from the Company, (iv) any breach by Employee of the requirements of any
other contract or agreement between the Company (or any of its affiliates) and such Employee, including this Agreement, and the
failure of Employee to cure such breach (to the extent such breach is capable of being cured) under this clause, or (v) within
ten (10) days after receipt of written notice from the Company, in each case, with respect to clauses (i) through (iv),
as determined in good faith by the Board in the exercise of its reasonable business judgment..

 

“Good Reason”
means (a) a material diminution in Employee’s authority, duties, or responsibilities, or (b) the principal place
of employment of the Employee is relocated to any location which is outside of a 50 mile radius of the Employment Location; provided
that Good Reason shall not exist unless within thirty (30) days after the occurrence of such act the Employee gives written notice
to the Company stating that such act constitutes Good Reason. Within thirty (30) days after notice has been received, the Company
shall have the opportunity, but shall not have the obligation, to cure such events or conditions that give Good Reason. If the
Company does not cure such events or conditions within the thirty (30) day period, Employee must voluntarily terminate his employment
within thirty (30) days of the expiration of the cure period.

 

5.5            Voluntary
Termination. The Employee may terminate the Employee’s employment with the Company at any time in the Employee’s
sole and absolute discretion upon giving at least thirty (30) days advance written notice to such effect to the Company (a “Voluntary
Termination”). In the event the Employee’s employment is terminated during the Term by the Employee’s Voluntary
Termination (other than termination by the Employee for Good Reason), then the Employee shall be entitled only to receive the Accrued
Obligations payable through the date of such Voluntary Termination.

 

    4

     

    

 

6.            Confidentiality
Invention, Intellectual Property, Noncompete and Nonsolicitation.

 

6.1            Nondisclosure
and Nonuse of Confidential Information. The Employee will not disclose or use at any time during or after the Term any Confidential
Information (as defined below) of which the Employee is or becomes aware, whether or not such information is developed by the Employee,
except to the extent that such disclosure or use is directly related to and required by the Employee’s performance of duties
assigned to the Employee pursuant to this Agreement. Under all circumstances and at all times, the Employee will take all appropriate
steps to safeguard Confidential Information in the Employee’s possession and to protect it against disclosure, misuse, espionage,
loss and theft. For purposes hereof, “Confidential Information” means information that is not generally known
to the public and that was or is used, developed or obtained by the Company or its ultimate parent company, and their respective
affiliates and subsidiaries and their respective predecessors (collectively, “Company Group”) in connection
with their business. It shall not include information (a) required to be disclosed by court or administrative order, (b) lawfully
obtainable from other sources or which is in the public domain through no fault of the Employee; or (c) the disclosure of
which is consented to in writing by the Company.

 

6.2            Inventions
and Intellectual Property Rights. In the event that the Employee as part of Employee’s activities on behalf of the Company
Group generates, authors or contributes to any invention, design, new development, device, product, method of process (whether
or not patentable or reduced to practice or comprising Confidential Information), any copyrightable work (whether or not comprising
Confidential Information) or any other form of Confidential Information relating directly or indirectly to the business of the
Company Group as now or hereinafter conducted (collectively, “Intellectual Property”), the Employee acknowledges
that such Intellectual Property is the sole and exclusive property of the Company and hereby assigns all right title and interest
in and to such Intellectual Property to the Company. Any copyrightable work prepared in whole or in part by the Employee during
the Term will be deemed “a work made for hire” under Section 201(b) of the Copyright Act of 1976, as amended,
and the Company will own all of the rights comprised in the copyright therein. The Employee will promptly and fully disclose all
Intellectual Property and will cooperate with the Company to protect the Company’ interests in and rights to such Intellectual
Property (including providing reasonable assistance in securing patent protection and copyright registrations and executing all
documents as reasonably requested by the Company, whether such requests occur prior to or after termination of Employee’s
employment hereunder). As used in this Agreement, the term “Invention” means any ideas, concepts, information,
materials, processes, data, programs, know-how, improvements, discoveries, developments, designs, artwork, formulae, other copyrightable
works, and techniques and all Intellectual Property Rights therein. The term “Intellectual Property Rights”
means all trade secrets, copyrights, trademarks, mask work rights, patents and other intellectual property rights recognized by
the laws of any jurisdiction or country.

 

    5

     

    

 

6.3            Prior
Inventions. Employee agrees that he/she will not incorporate, or permit to be incorporated, Prior Inventions (defined below)
in any Company Inventions (defined below) without the Company’s prior written consent. In addition, Employee agrees that
Employee will not incorporate into any Company software or otherwise deliver to the Company any software code licensed under the
GNU GPL or LGPL or any other license that, by its terms, requires or conditions the use or distribution of such code on the disclosure,
licensing, or distribution of any source code owned or licensed by the Company. Employee has disclosed on Exhibit A a complete
list of all Inventions that Employee has, or Employee has caused to be, alone or jointly with others, conceived, developed, or
reduced to practice prior to the commencement of Employee’s employment by the Company, in which Employee has an ownership
interest or which Employee has a license to use, and that Employee wishes to have excluded from the scope of this Agreement (collectively
referred to as “Prior Inventions”). If no Prior Inventions are listed in Exhibit A, Employee warrants that
there are no Prior Inventions. If, in the course of Employee’s employment with the Company, Employee incorporates a Prior
Invention into a Company process, machine or other work, Employee must (i) notify the Company in writing of such usage in
advance of such usage, and (ii) hereby grants the Company a non-exclusive, perpetual, fully-paid and royalty-free, irrevocable
and worldwide license, with rights to sublicense through multiple levels of sub-licensees, to reproduce, make derivative works
of, distribute, publicly perform, and publicly display in any form or medium, whether now known or later developed, make, have
made, use, sell, import, offer for sale, and exercise any and all present or future rights in, such Prior Invention

 

6.4            Assignment
of Company Inventions. Subject to the section titled “Government or Third Party” and except for Inventions that
Employee has set forth in Exhibit A, Employee hereby assigns and agrees to assign in the future (when any such Inventions
or Intellectual Property Rights are first reduced to practice or first fixed in a tangible medium, as applicable) to the Company
all Employee’s right, title, and interest in and to any and all Inventions (and all Intellectual Property Rights with respect
thereto) made, conceived, reduced to practice, or learned by Employee, either alone or with others, during the period of Employee’s
employment by the Company. Inventions assigned to the Company or to a third party as directed by the Company pursuant to the section
titled “Government or Third Party” are referred to in this Agreement as “Company Inventions.”

 

6.5            Obligation
to Keep Company Informed. During the period of Employee’s employment and for one (1) year thereafter, Employee will
promptly and fully disclose to the Company in writing (a) all Inventions authored, conceived, or reduced to practice by Employee,
either alone or with others, and (b) all patent applications filed by Employee or in which Employee is named as an inventor
or co-inventor

 

6.6            Government
or Third Party. At Company’s request, Employee also agrees to assign all Employee’s right, title, and interest
in and to any particular Company Invention to a third party, including without limitation the United States, as directed by the
Company.

 

6.7            Enforcement
of Intellectual Property Rights and Assistance. During the period of Employee’s employment and thereafter and at Company’s
cost and expense, Employee will assist the Company in every proper way to obtain and enforce United States and foreign Intellectual
Property Rights relating to Company Inventions in all countries. In the event the Company is unable to secure Employee’s
signature on any document needed in connection with such purposes, Employee hereby irrevocably designates and appoints the Company
and its duly authorized officers and agents as Employee’s agent and attorney in fact, which appointment is coupled with an
interest, to act on Employee’s behalf to execute and file any such documents and to do all other lawfully permitted acts
to further such purposes with the same legal force and effect as if executed by Employee

 

    6

     

    

 

6.8            Reporting
of Conflicts. Employee agrees to inform the Company in writing of any apparent conflicts between Employee’s work for
the Company and (a) any obligations Employee may have to preserve the confidentiality of another’s proprietary information
or materials or (b) any rights Employee may claim to any Inventions or ideas before using the same on Company’s behalf
Otherwise, the Company may conclude that no such conflict exists and Employee agrees thereafter to make no such claim against the
Company. The Company shall receive such disclosures in confidence and consistent with the objectives of avoiding any conflict of
obligations and rights or the appearance of any conflict of interest

 

6.9            Delivery
of Materials upon Termination of Employment. As requested by the Company, from time to time and upon the termination of the
Employee’s employment with the Company for any reason, the Employee will promptly deliver to the Company all copies and embodiments,
in whatever form or medium, of all Confidential Information or Intellectual Property in the Employee’s possession or within
the Employee’s control (including written records, notes, photographs, manuals, notebooks, documentation, program listings,
flow charts, magnetic media, disks, diskettes, tapes and all other materials containing any Confidential Information or Intellectual
Property) irrespective of the location or form of such material and, if requested by the Company, will provide the Company with
written confirmation that all such materials have been delivered to the Company.

 

6.10            Non-Compete.
Employee acknowledges that in the course of employment with the Company, Employee has become familiar and/or will become familiar
with any of the Company Group’s trade secrets and with other Confidential Information and that Employee’s services
have been and/or will be of special, unique and extraordinary value to the Company. Therefore, Employee hereby agrees that at any
time during his or her employment with the Company and for a period of twelve (12) months thereafter the “Non-Compete
Period”), Employee shall not directly or indirectly own, manage, control, participate in, consult with, render services
for, operate or in any manner engage (including individually or in association with any person or entity) in any business in the
world that, directly or indirectly, is competitive with the business of the Company (or with those businesses of other
entities within the Company Group to the extent that Employee has any Confidential Information related to the businesses of those
entities within the Company Group) as conducted or proposed to be conducted at any time prior to or during the Noncompete Period
(the “Restricted Business”), provided that Employee shall not be precluded from being an employee, partner,
member or owner of any business that may provide services competitive with the Restricted Business, provided that Employee does
not personally participate in any manner in the management, marketing, promotion or delivery of such services during the Non-Compete
Notwithstanding the foregoing, the Company will consider waiving this restrictive covenant, if, in the determination of the Company,
such a waiver will not be detrimental to the Company.

 

6.11            Nonsolicitation.
The Employee hereby agrees that (a) during the Term and for a period of twenty four (24) months after the termination of employment
for any reason (the “Nonsolicitation Period”), the Employee will not, directly or indirectly through another
entity, hire or actively induce or attempt to induce any employee of the Company Group to leave the employ of the Company Group,
or in any way interfere with the relationship between the Company Group any employee thereof or otherwise employ or receive the
services of any individual who was an employee or independent contractor of the Company Group during such Nonsolicitation Period
or within the twelve month period prior thereto and (b) during the Nonsoliciation Period, the Employee will not induce or
attempt to induce any customer, supplier, client or other business relation of the Company Group to cease or otherwise affect its
doing business with the Company Group in any manner or respect.

 

    7

     

    

 

6.12            Non-Disparagement.
At no time during Employee’s employment with the Company or thereafter will Employee disparage, defame or discredit the Company
or engage in any activity which would have the effect of disparaging, defaming or discrediting the Company

 

6.13            Enforcement
of Noncompete and Nonsolicitation. If, at the enforcement of Sections 6.10 and 6.11, a court holds that the duration, scope
or area restrictions stated herein are unreasonable under circumstances then existing, the parties agree that the maximum duration,
scope or area reasonable under such circumstances will be substituted for the stated duration, scope or area and that the court
will be permitted to revise the restrictions contained in Sections 6.10 or 6.11 to cover the maximum duration, scope and area permitted
by law.

 

6.14            Equitable
Relief. The Employee acknowledges that the covenants contained herein are reasonable and necessary to protect the legitimate
interests of the Company Group and that each and every one of the restraints is reasonable in respect to subject matter, length
of time and geographic area, and that these restraints, individually or in the aggregate, will not prevent the Employee from obtaining
other suitable employment during the period in which the Employee is bound by the restraints. The Employee acknowledges that each
of these covenants has a unique, very substantial and immeasurable value to the Company and its affiliates and that the Employee
has sufficient assets and skills to provide a livelihood while such covenants remain in force. The Employee further covenants that
the Employee will reimburse the Company and/or the Company Group (including reasonable attorneys’ fees) incurred in connection
with any action to enforce any of the provisions of this Section 6 if any of the Company Group prevails on any material issue
involved in such dispute. The Employee acknowledges that any violation of this Section 6 will result in irreparable injury
to the Company Group and agrees that the Company shall be entitled to preliminary and permanent injunctive relief, without the
necessity of proving actual damages, as well as an equitable accounting of all earnings, profits and other benefits arising from
any violation of this Section 6 by the Employee, which rights shall be cumulative and in addition to any other rights or remedies
to which the Company may be entitled. Without limiting the generality of the foregoing, the Noncompetition Period and Nonsolicitation
Period shall be extended for an additional period equal to any period during which the Employee is in breach of the Employee’s
obligations under this Section 6. The Employee represents and acknowledges that (i) the Employee has been advised by
the Company to consult the Employee’s own legal counsel in respect of this Agreement, and (ii) the Employee has had
full opportunity, prior to execution of this Agreement, to review thoroughly this Agreement with the Employee’s counsel.

 

7.            IMMUNITY
FROM LIABILITY FOR CONFIDENTIAL DISCLOSURE OF A TRADE SECRET TO THE GOVERNMENT OR IN A COURT FILING.

 

7.1            Immunity—An
Employee shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a frade
secret that

 

(a)        is
made

 

(i)            in
confidence to a federal, state or local government official, either directly or indirectly, or to an attorney; and

 

(ii)            solely
for the purpose of reporting or investigating a suspected violation of law; or

 

    8

     

    

 

(b)            is
made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal.

 

7.2           Use
of Trade Secret Information in Anti-Retaliation Lawsuit. An Employee who files a lawsuit for retaliation by Employer for reporting
a suspected violation of law may disclose the trade secret to the attorney of the individual and use the trade secret information
in the court proceeding, if the individual

 

(a)            files
any document containing the trade secret under seal; and

 

(b)            does
not disclose the frade secret, except pursuant to court order.

 

8.            Other
Provisions.

 

8.1           Notices.
Any notice or other communication required or which may be given hereunder shall be in writing and shall be delivered personally,
telecopied (with a confirming copy by overnight delivery service or first class mail), sent by overnight delivery service with
delivery signature required, or sent with return receipt requested by certified, registered, or express mail, postage prepaid to
the parties at the following addresses or at such other addresses as shall be specified by the parties by like notice, and shall
be deemed given when so delivered personally, telecopied or if mailed, two days after the date of mailing, as follows:

 

if to the Company, at:

 

Certara USA, Inc.

100 Overlook Center, Suite 101

Princeton, NJ 08540

Atm: SVP, HR

 

With a copy to:

 

Certara USA, Inc.

100 Overlook Center, Suite 101

Princeton, NJ 08540

Attn: General Counsel

 

if to the Employee, at:

 

Justin Edge

[                    ]

 

8.2           Entire
Agreement. This Agreement (including the documents referred to herein) constitutes the entire agreement among the parties and
supersedes and nullifies any prior understandings, agreements or representations by or among the parties, written or oral, that
may have related in any way to the subject matter hereof.

 

    9

     

    

 

8.3            Waivers
and Amendments. This Agreement may be amended, modified, superseded, cancelled, renewed or extended, and the terms and conditions
hereof may be waived, only by a written instrument signed by the parties making specific reference to this Agreement, or, in the
case of a waiver, by the party waiving compliance. No delay on the part of any party in exercising any right, power or privilege
hereunder shall operate as a waiver thereof, nor shall any waiver on the part of any party of any right, power or privilege hereunder,
nor any single or partial exercise of any right, power or privilege hereunder preclude any other or further exercise thereof or
the exercise of any other right, power or privilege hereunder.

 

8.4            Governing
Law. This Agreement shall be governed by and construed in accordance with, the laws of the state in which the Company’s
headquarters are located without regard to conflict or choice of law provisions or rules that would defer to the substantive
laws of another jurisdiction. Any suit or proceeding arising from the subject matter of this Agreement shall only be brought in
the state or federal courts located in the Mercer County in the State New Jersey. The Parties agree that such venue is appropriate
and waive any and all rights to contest the exclusive personal jurisdiction and venue of such courts.

 

8.5            Acknowledgments.
The Employee acknowledges that the Employee has read this entire Agreement, has had the opportunity to consult with an attorney,
and fully understands the terms of this Agreement. The Employee is satisfied with the terms of this Agreement and agrees that its
terms are binding upon the Employee and the Employee’s heirs, assigns, executors, administrators, and legal representatives.

 

8.6            Assignment.
This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors, heirs and
permitted assigns. No rights or obligations of the Employee under this Agreement may be assigned or transferred by the Employee
other than the Employee’s right to compensation and benefits hereunder, which may be transferred by will or operation of
law subject to the limitations of this Agreement. No rights or obligations of the Company under this Agreement may be assigned
or transferred by the Company except that such rights or obligations may be assigned or transferred pursuant to a merger or consolidation
or amalgamation or scheine of arrangement in which the Company is not the continuing entity, or the sale or liquidation of all
or substantially all of the assets of the Company, provided that the assignee or transferee is the successor to all or substantially
all of the assets of the Company and such assignee or transferee assumes by operation of law or in a writing duly executed by the
assignee or transferee all of the liabilities, obligations and duties of the Company, as contained in this Agreement, either contractually
or as a matter of law, as if no such assignment or transfer had taken place.

 

8.7            Counterparts.
This Agreement may be executed in two or more counterparts (which may be effectively delivered by facsimile or other electronic
means), each of which shall be deemed an original but all of which together shall constitute one and the same instrument.

 

8.8            Headings.
The headings in this Agreement are for reference purposes only and shall not in any way affect the meaning or interpretation of
this Agreement

 

    10

     

    

 

8.9            Severability.
If any term, provision, covenant or restriction of this Agreement, or any part thereof, is held by a court of competent jurisdiction
of any foreign, federal, state, county or local government or any other governmental, regulatory or administrative agency or authority
to be invalid, void, unenforceable or against public policy for any reason, the remainder of the terms, provisions, covenants and
restrictions of this Agreement shall remain in full force and effect and shall in no way be affected, impaired or invalidated.

 

8.10            No
Debarment. Employee represents, warrants and covenants that he/she (i) has not been convicted of a crime within the past
ten (10) years; (b) is not currently, nor has ever been, debarred, excluded, suspended, and/or declared ineligible by
the U.S. Department of Health and Human Services, U.S. Food and Drug Administration, or any other state or federal agency from
receiving federal or state money or contracts; and (iii) is not subject to, nor is there any U.S. Department of Health and
Human Services, U.S. Food and Drug Administration, or any other state or federal agency action or investigation relating to debarment,
exclusion, suspension, and/or a declaration of ineligibility from receiving federal or state money or contracts currently pending
or threatened against Employee. Employee covenants to immediately report to the Company any change in status with respect to the
foregoing statements that arise during employment.

 

8.11            Cooperation
With Regard to Litigation Waiver of Trial By Jury.

 

(a)            Employee
agrees to cooperate with the Company during the term of this Agreement and thereafter (including following Employee’s termination
of employment for any reason) by making himself or herself reasonably available to testify on behalf of the Company Group, in any
action, suit or proceeding, whether civil, criminal, administrative, or investigative, and to assist the Company Group any of its
affiliates in any such action, suit, or proceeding by providing information and meeting and consulting with its counsel and representatives.
Employee shall be fully reimbursed for any out-of-pocket expenses and time reasonably incurred by Employee in the course of such
cooperation.

 

(b)            Each
of the parties to this Agreement irrevocably and unconditionally waives the right to a trial by jury in any action, suit or proceeding
arising out of, connected with or relating to this Agreement, the matters contemplated hereby, or the actions of the parties in
the negotiation, administration, performance or enforcement of this Agreement.

 

8.12            Section 409A.

 

(a)            If
the Company determines in good faith that any provision of this Agreement would cause the Employee to incur an additional tax,
penalty, or interest under Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”),
and the applicable guidance thereunder (“Section 409A”), the Company and the Employee shall use reasonable
efforts to reform such provision, if possible, in a mutually agreeable fashion to maintain to the maximum extent practicable the
original intent of the applicable provision without violating the provisions of Section 409A or causing the imposition of
such additional tax, penalty, or interest under Section 409A. The preceding provision, however, shall not be construed as
a guarantee by the Company of any particular tax effect to the Employee under this Agreement.

 

    11

     

    

 

(b)            For
purposes of Section 409A, the right to a series of installment payments under this Agreement shall be treated as a right to
a series of separate payments.

 

(c)            With
respect to any reimbursement of expenses of, or any provision of in-kind benefits to, the Employee, as specified under this Agreement,
such reimbursement of expenses or provision of in-kind benefits shall be subject to the following conditions: (1) the expenses
eligible for reimbursement or the amount of in-kind benefits provided in one taxable year shall not affect the expenses eligible
for reimbursement or the amount of in-kind benefits provided in any other taxable year, except for any medical reimbursement arrangement
providing for the reimbursement of expenses referred to in Section 105(b) of the Code; (2) the reimbursement of
an eligible expense shall be made no later than the end of the year after the year in which such expense was incurred; and (3) the
right to reimbursement or in-kind benefits shall not be subject to liquidation or exchange for another benefit.

 

(d)            “Termination
of employment,” or words of similar import, as used in this Agreement means, for purposes of any payments under this Agreement
that are payments of deferred compensation subject to Section 409A, the Employee’s “separation from service”
as defined in Section 409A.

 

(e)            Notwithstanding
anything in this Agreement to the contrary, if the period during which the Employee has discretion to execute or revoke the general
release of claims provided for by Section 5.4 straddles two calendar years, the payments provided for by Section 5.4
shall begin as soon as practicable in the second of the two calendar years, regardless of which calendar year the Employee actually
delivers the executed release to the Company, subject to the release first becoming effective.

 

Signature page follows

 

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IN WITNESS WHEREOF,
the parties have executed this Agreement the date first above written.

 

	Certara USA, Inc.  	 	Employee
	 	 	 
	Signature:	/s/ M. Stellmach	 	Signature:	/s/ Justin Edge

 

	Name:	M. Stellmach	 	Name:	Justin Edge

 

	Title:	VP, HR	 	Title:	 

 

	Date:	January 23, 2019	 	Date:	December 19, 2018

 

    

     

    

 

EXHIBIT A

 

INVENTIONS

 

1. Prior Inventions Disclosure. The following is a complete
list of all Prior Investions:

 

None

 

See immediately below:

 

     

     

    

 

EXHIBIT A

 

INVENTIONS

 

2. Prior Inventions Disclosure. The following is a complete
list of all Prior Investions:

 

None

 

See immediately below:

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