Document:

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                                                                   Exhibit 10.16

                              EMPLOYMENT AGREEMENT

      THIS EMPLOYMENT AGREEMENT (the "Agreement") is made and entered into this
15th day of June, 1998, by and between REGENERATION TECHNOLOGIES, INC., a
Florida corporation (the "Corporation") and THOMAS BREWER ("Employee").

      WHEREAS, the Corporation is engaged in the business of manufacturing
products from bone tissue in Alachua, Florida; and

      WHEREAS, the Corporation desires to employ Employee and Employee desires
to accept such employment during the term of this Agreement and upon the terms
and conditions set forth herein.

      NOW, THEREFORE, in consideration of the mutual promises and the benefits
accruing to the parties hereto, the parties agree as follows:

      1. Employment. The Corporation hereby agrees to employ Employee, and
Employee hereby agrees to accept such employment, to render services on behalf
of the Corporation as Director of Marketing. The duties of Employee shall be
those established by the Corporation's Board of Directors, or its officers, from
time to time.

      2. Devotion to Employment. During the term of this Agreement, Employee
shall devote his full time on behalf of the Corporation, and Employee shall not
engage in any other gainful employment without the written consent of the
Corporation. Provided, however, that nothing contained herein shall prohibit
Employee from investing or trading in stocks, bonds, commodities or other forms
of investment, including real property.

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      3. Term of Agreement. This Agreement shall be effective as of the date
first written above, and it shall continue in full force and effect for a period
of five (5) years unless sooner terminated as hereinafter provided.

      4. Compensation.

            (a) Annual Salary. The Corporation shall pay to Employee as
compensation for his services a salary of One Hundred Forty-Eight Thousand
Dollars ($148,000.00) per year, payable in equal biweekly installments.
Employee's salary shall be reviewed annually by the Corporation's Board of
Directors, at which time Employee's salary may be adjusted as mutually agreed
upon by Employee and the Corporation's Board of Directors.

            (b) Performance Bonus. To provide greater incentive for Employee by
rewarding him with additional compensation, a cash bonus may be paid to Employee
at any time during the year, or after the close of the year, based upon the
performance of the Corporation and the performance of Employee during such year;
provided, however, that the payment of any such bonus and the amount thereof
shall be within the sole discretion of the Corporation's Board of Directors. In
making such determination, the Directors will consider the following:

                  (i) The net profits of the Corporation for the year;

                  (ii) The base salary of Employee;

                  (iii) Employee's overall performance as an employee of
                        the Corporation;

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                  (iv) A comparison of Employee's performance with the
performance of the other employees of the Corporation; and

                  (v) Such other matters as may be considered appropriate by the
Directors.

      The performance bonus described herein, if any, shall not exceed twenty
percent (20%) of Employee's base annual salary.

            (c) Stock of the Corporation. The Corporation shall issue to
Employee the option to purchase Forty-Five Thousand (45,000) shares of common
stock of the Corporation (the "Shares") at a price and on the terms set forth in
the "Regeneration Technologies, Inc. Omnibus Stock Plan." The Shares shall be
issued as described therein only upon Employee's execution of a Stock
Restriction Agreement for Regeneration Technologies, Inc. (the "Stock
Restriction Agreement"), which, inter alia restricts the transfer of the Shares
and contains certain buy-back provisions regarding the Shares upon the
termination of Employee's employment with the Corporation.

            (d) Withholding, FICA, FUTA. Employee's salary and performance
bonus, if any, shall be subject to, and reduced by, applicable federal income
tax withholding and FICA tax, and any other taxes imposed by law.

      5. Fringe Benefits. During the term of this Agreement, Employee shall be
entitled to all fringe benefits offered generally to the Corporation's
managerial employees as established or modified from time to time by the
Corporation, subject always to the rules in effect regarding participation in
such plans. Notwithstanding the foregoing, Employee shall not be entitled to
receive health insurance, life insurance, or long term disability insurance

                                      -3-
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until the three month waiting period, commencing on Employee's first day of
performance hereunder, has expired. During such three month waiting period, the
Corporation shall reimburse Employee for his actual out-of-pocket expenses
incurred in maintaining his pre-existing health, life, and long term disability
coverages, if any. Employee shall not be entitled to any other fringe benefits
as a result of his employment with the Corporation.

      6. Business Expenses. Except as otherwise provided herein, the Corporation
shall pay, either directly or by reimbursement to Employee, such reasonable and
necessary business expenses incurred by Employee in the course of his employment
by the Corporation as are consistent with the Corporation's policies in
existence from time to time, subject to such dollar limitations and verification
and record keeping requirements as may be established from time to time by the
Corporation.

      7. Vacation. Employee shall be entitled to four (4) weeks paid vacation
time each calendar year, prorated in accordance with Corporation policy. All
vacations shall be taken by Employee at such time or times as may be approved by
the Corporation. There will be no carryover of unused vacation time or sick
leave from one year to another, and no compensation for such unused vacation or
sick leave, if any.

      8. Time Off. Employee shall be entitled to such time off with pay for
attendance at seminars, courses, meetings and conventions as is authorized by
the Corporation from time to time. The specific seminars, courses, meetings and
conventions to be attended by Employee shall be subject to the Corporation's
prior approval.

      9. Termination of Employment.

                                      -4-
<PAGE>

            (a) Voluntary Termination. Employee or the Corporation may
voluntarily terminate Employee's employment with the Corporation (and, except as
otherwise specifically provided hereunder, this Agreement) at any time, by
delivering to the other party written notice of such intention not less than
thirty (30) days prior to the effective date of termination. Notwithstanding the
foregoing, if notice of termination is given by Employee to the Corporation,
then the Corporation shall have the option of advancing the effective date of
such termination to any date after receipt of such notice from Employee, which
option shall be exercised by the Corporation within three (3) business days of
receipt of such notice.

            (b) Termination for Cause. The Corporation may immediately terminate
Employee's employment with the Corporation (and, except as otherwise
specifically provided hereunder, this Agreement) for "cause" by giving written
notice (without regard to the thirty (30) day period provided above) of such
termination to Employee specifying the grounds therefor. A termination for
"cause" shall only be for any one or more of the following reasons:

                  (i) Willfully or negligently damaging the Corporation's
            property, business, reputation or goodwill.

                  (ii) Willfully injuring any employee of the Corporation.

                  (iii) Willfully injuring any person in the course of the
            performance of services for the Corporation.

                  (iv) Lawfully charged with commission of a felony.

                  (v) Stealing, dishonesty, fraud or embezzlement.

                  (vi) Deliberate and continuous neglect of duty.

                                      -5-
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                  (vii) Use of alcohol or narcotics to the extent it prevents,
            in the sole judgment of the Corporations Board of Directors,
            Employee from effectively performing the duties set forth in
            Paragraph 1 above.

                  (viii) Violating the covenants set forth in Paragraphs 10 or
            11 of this Agreement.

            The decision to terminate Employee's employment for "cause" shall be
made by the Corporation's Board of Directors in its sole discretion.

            (c) Termination Upon Death, Incompetency or Disability.
Notwithstanding Subparagraph 9(a) above, the Corporation shall have the right to
terminate Employee's employment with the Corporation (and, except as otherwise
specifically provided hereunder, this Agreement) immediately and without prior
written notice to Employee in the event that Employee dies, or is adjudicated
incompetent, or is "permanently disabled", as hereinafter defined. As used
herein, the term "permanently disabled" shall mean that Employee is unable to
adequately perform his regular duties hereunder as a result of sickness or
accident and such condition appears to be permanent. The determination of
"permanent disability" shall be made by the Corporation's Board of Directors in
its sole and absolute discretion and its decision shall be final and binding on
Employee unless found to be arbitrary or capricious by a court of competent
jurisdiction.

            (d) Performance of Duties During Notice Period. In the event that
Employee terminates Employee's employment with the Corporation in accordance
with the terms of Subparagraph 9(a), Employee, if requested by the Corporation,
shall continue to render services hereunder on behalf of the Corporation for the
thirty (30) day period until the

                                      -6-
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effective date of termination, and shall, in such event, be paid the
compensation due Employee hereunder for the remainder of such period.

      10. Confidential Information. Employee acknowledges and recognizes that,
in connection with the performance of Employee's duties and obligations for the
Corporation, Employee has and will have access to certain confidential
information of the Corporation, including, but not limited to any intellectual
property of the Corporation, the identity of the Corporation's clients, the
identity of prospective clients, the existence of negotiations with prospective
clients of the Corporation, all drawings, records, sketches, models, financial
information, customer information, trade secrets, and trade secrets relating to
services of the Corporation, and products being developed by the Corporation
(the "Confidential Information"). Employee hereby acknowledges that the
maintenance of the confidentiality of the Confidential Information and
restrictions on the use of the Confidential Information is essential to the
Corporation. Employee shall not, at any time, whether during the term of this
Agreement or after the termination of Employee's employment with the
Corporation for any reason whatsoever, divulge or reveal any of the Confidential
Information to any person, party or entity, directly or indirectly. In addition,
Employee shall not utilize any of the Confidential Information for Employee's
own benefit, or for the benefit of any subsequent employer or competitor of the
Corporation. Employee shall maintain the Confidential Information in strict
confidence and shall not copy, duplicate or otherwise reproduce, in whole or in
part, such Confidential Information, except as necessary for Employee to perform
services for the Corporation. Upon the termination of Employee's employment by
the Corporation, or at the

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earlier request of the Corporation, Employee shall immediately surrender to the
Corporation any and all memoranda, records, files or other documents and any
other materials (including photocopies or other reproductions) containing or
relating to the Confidential Information. Employee shall indemnify and hold the
Corporation harmless from any loss, damage, expense, cost or liability arising
out of any unauthorized use or disclosure of the Confidential Information by
Employee. The provisions of this Paragraph 10 shall survive the termination of
Employee's employment with the Corporation and the termination of this
Agreement.

      11. Employee Developments. Employee is aware and understands that, during
the term of Employee's employment with the Corporation or with the financial and
other assistance that may be provided by the Corporation, Employee may invent,
create, develop and improve certain valuable property such as, but not limited
to, patents, trademarks, inventions, other patentable inventions and other trade
secrets and formula, where such valuable property is (1) created during
Employee's normal work hours; (2) created using the equipment or facilities of
the Corporation; (3) created by Employee under the supervision or guidance of
the Corporation; or (4) within the field of use which includes human or animal
allograft tissue ("Employee Developments"). Employee agrees that all Employee
Developments that may be developed or produced by Employee during Employee's
employment by the Corporation are and will be the property of the Corporation
and that Employee further agrees that he will, at the request of the
Corporation, execute such documents as the Corporation may reasonably request
from time to time, to assign and transfer all of the right, title and interest
in Employee Developments to the Corporation and he will cooperate with the
Corporation in connection with any patent applications. In this regard,

                                      -8-
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Employee will, at all times, fully advise and inform the Corporation of all
matters that Employee may be developing or working on while employed by the
Corporation. Employee further agrees that upon the termination of his employment
with the Corporation for any reason whatsoever, Employee shall immediately
deliver and surrender to the Corporation any and all plans, documents and other
materials of any nature relating to the Employee Developments. The Corporation
may provide additional compensation to Employee as consideration for Employee
Developments in accordance with any patent policy of the Corporation. The
provisions of this Paragraph 11 shall survive the termination of this Agreement.

      12. Limitation of Employment.

            (a) After nine months of performance hereunder, in the event of the
termination of Employee's employment with the Corporation either by the
Corporation for cause (as defined in Subparagraph 9(b) above) or voluntarily by
Employee, Employee agrees that for a period of two (2) years following the
effective date of such termination, Employee will not engage in any business
which receives, processes, or distributes human tissue (or in any business that
competes with the Corporation) within the United States. In the event of the
termination of Employee's employment with the Corporation by the Corporation
without cause, Employee agrees that for a period of two (2) years following the
effective date of such termination, Employee will not engage in any business
which receives, processes, or distributes human tissue (or in any business that
competes with the Corporation) within the United States; provided, however, that
Employee shall then be entitled to a severance payment in the amount of one-half
(1/2) his then current annual salary (computed without reference to shares of
stock in the Corporation, fringe benefits, or any other form of compensation).
The

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Corporation may require Employee to execute a release of claims against the
Corporation as a condition precedent to its obligation to make the severance
payment described herein.

            (b) During the first nine months of performance hereunder, in the
event of the termination of Employee's employment with the Corporation either by
the Corporation for cause (as defined in Subparagraph 9(b) above) or voluntarily
by Employee, Employee will not engage in the tissue banking business (or in any
business that competes with the Corporation) within the United States, subject
to the following terms:

Length of Service        Length of Noncompetition Period     Severance Amount
-----------------        -------------------------------     ----------------
0-3 months               none                                none

4-9 months               one month for each month of         none
                         service after the third month

       In the event of the termination of Employee's employment with the
Corporation by the Corporation without cause, Employee will not engage in the
tissue banking business (or in any business that competes with the Corporation)
within the United States, subject to the following terms:

Length of Service        Length of Noncompetition Period     Severance Amount
-----------------        -------------------------------     ----------------
0-3 months               none                                none

4-9 months               one month for each month of         none
                         service after the third month

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      The base salary described in this subparagraph shall be computed without
reference to shares of stock in the Corporation, fringe benefits, or any other
form of compensation. The Corporation may require Employee to execute a release
of claims against the Corporation as a condition precedent to its obligation to
make the severance payment described herein.

            (c) Employee acknowledges that this restrictive covenant is
reasonably necessary to protect the Corporation's legitimate business interests,
which are represented by, among other things, the substantial relationships
between the Corporation and its licensees and tissue sources, as well as the
goodwill established by the Corporation with licensees and tissue sources in the
United States and other countries where the Corporation's tissues are
distributed over a protracted period.

            (d) Employee recognizes the fact that the Corporation would not sign
this Agreement without the inclusion of this covenant, and Employee confirms the
sufficiency of the consideration received by Employee, in the form of employment
by the Corporation, in accepting this covenant as a material term of the
Agreement.

            (e) The parties acknowledge and agree that no amount of money would
adequately compensate the Corporation for damages which the parties acknowledge
would be suffered as a result of the violation of the terms of this provision by
Employee, and they confirm that any such violation would result in irreparable
injury to the Corporation because of the reduction in its income caused by the
loss of or damage to the aforesaid relationships. It is agreed that the
Corporation will be entitled to specific performance of this provision, and to
injunctive relief, in view of the fact that the actual harm is not readily
ascertainable or compensable by money damages.

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            (f) The period set forth in subparagraph (a) above will be tolled
during any time in which Employee is in violation of the restrictive covenant
contained in this Paragraph 12, and that period will begin to run again from the
date Employee ceases such violation.

            (g) This Paragraph 12 will survive the termination of this Agreement
and the termination of Employee's employment with the Corporation.

      13. Remedies For Breach. It is understood and agreed by the parties that
no amount of money would adequately compensate the Corporation for damages which
the parties acknowledge would be suffered as a result of a violation by the
Employee of the covenants contained in Paragraphs 10, 11 and 12 above, and that,
therefore, the Corporation shall be entitled, upon application to a court of
competent jurisdiction, to obtain injunctive relief to enforce the provisions of
Paragraphs 10, 1] and 12. which injunctive relief shall be in addition to any
other rights or remedies available to the Corporation. If such a violation
occurs, Employee shall be responsible for the payment of reasonable attorney's
fees and other costs and expenses incurred by the Corporation in enforcing the
covenants contained in Paragraphs 10, 11 and 12 above, whether incurred at the
trial level or in any appellate proceeding. The provisions of this Paragraph 13
shall survive the termination of this Agreement.

      14. Limitations on Authority. Without the express written consent of the
Corporation's Board of Directors, Employee shall have no authority to do any of
the following:

            (a) Pledge the credit of the Corporation or any of its other
employees;

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            (b) Bind the Corporation under any contract, agreement, note,
mortgage or other obligation, except as provided in the Corporation's Standard
Operating Procedures;

            (c) Release or discharge any debt due the Corporation unless the
Corporation has received the full amount thereof; or

            (d) Sell, mortgage, transfer or otherwise dispose of any assets of
the Corporation.

      15. Severability. If any provision of this Agreement shall be declared
invalid or unenforceable by a court of competent jurisdiction, the invalidity or
unenforceability of such provision shall not affect the other provisions hereof.
and this Agreement shall be construed and enforced in all respects as if such
invalid or unenforceable provision was omitted.

      16. Attorneys Fees and Costs. Except as provided in Paragraph 13 above, in
the event a dispute arises between the parties hereto and suit is instituted,
the prevailing party in such litigation shall be entitled to recover reasonable
attorney's fees and other costs and expenses from the nonprevailing party,
whether included at the trial level or in any appellate proceeding.

      17. Governing Law: Venue. This Agreement shall be governed by and
construed in accordance with the laws of the State of Florida, and venue for any
legal proceeding or action at law arising out of or construing this Agreement
shall lie in the state courts of Alachua County, Florida, or the United States
District Court For the Northern District of Florida, Gainesville Division.

      18. Completeness of Agreement. All understandings and agreements
heretofore made between the parties hereto with respect to the subject matter of
this Agreement

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are merged into this document which alone fully and completely expresses their
agreement. No change or modification may be made to this Agreement except by
instrument in writing duly executed by the parties hereto with the same
formalities as this document.

      19. Notices. Any and all notices or other communications provided for
herein shall be given in writing and shall be hand delivered or sent by United
States mail, postage prepaid, registered or certified, return receipt requested,
addressed as follows:

                   If to the Corporation:

                   Regeneration Technologies. Inc.
                   One Innovation Drive
                   Alachua, Florida 32615
                   Attn: President

                   If to Employee:

                   Thomas Brewer
                   4525 SW 96th DRIVE
                   ---------------------
                   GAINSVILLE, FL 32608
                   ---------------------

provided, however, that any party may, from time to time, give notice to the
other party of some other address to which notices or other communications to
such party shall be sent, in which event, notices or other communications to
such party shall be sent to such address. Any notice or other communication
shall be deemed to have been given and received hereunder as of the date
the same is actually hand delivered or, if mailed, when deposited in the United
States mail, postage prepaid, registered or certified, return receipt requested.

      20. Assignment. Neither party to this Agreement may assign its rights or
obligations hereunder without the prior written consent of the other party.

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      21. Binding Effect. This Agreement shall be binding upon and inure to the
benefit of the respective parties hereto, their heirs, legal representatives,
successors and permitted assigns.

      22. Counterparts. This Agreement may be executed in several counterparts,
each of which shall be deemed an original, and all of which shall constitute but
one and the same instrument.

      23. Captions. The captions appearing in this Agreement are inserted only
as a matter of convenience and in no way define, limit, construe or describe
the scope or intent of any provisions of this Agreement or in any way affect
this Agreement.

      24. Employee Handbook. Employee agrees to follow and be bound by the
guidelines contained in the Corporation's Employee Handbook, as same may be
modified from time to time.

                              (Signatures on following page)

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      IN WITNESS WHEREOF, the undersigned have executed this Agreement on the
date and year set forth above.

WITNESSES:                          "CORPORATION"

                                    Regeneration Technologies, Inc.

     [ILLEGIBLE]                    /s/ James M. Grooms
-----------------------             --------------------------------
                                    James M. Grooms, President

-----------------------

                                    "EMPLOYEE"

     [ILLEGIBLE]                    /s/ Thomas Brewer
-----------------------             --------------------------------
                                    Thomas Brewer

-----------------------

                                      -16-<PAGE>

                                                                   Exhibit 10.17

                              EMPLOYMENT AGREEMENT

      THIS EMPLOYMENT AGREEMENT (the "Agreement") is made and entered in this
day of November, 1998, by and between REGENERATION TECHNOLOGIES, INC., a Florida
corporation (the "Corporation") having its principal address at 2 Innovation
Drive, Alachua, Florida 32615 and James P. Abraham ("Employee").

      WHEREAS, the Corporation operates a tissue processing / manufacturing
facility in Alachua, Florida; and

      WHEREAS, the Corporation desires to employ Employee and Employee desires
to accept such employment during the term of this Agreement and upon the terms
and conditions set forth herein.

      NOW, THEREFORE, in consideration of the mutual promises and the benefits
accruing to the parties hereto, the parties agree as follows:

            1. Employment. The Corporation hereby agrees to employ Employee, and
Employee hereby agrees to accept such employment, to render services on behalf
of the Corporation as Director of Sales. The duties of Employee shall be those
established by the Corporation's Board of Directors, or its officers, from time
to time.

            2. Devotion to Employment. During the term of this Agreement,
Employee shall devote his full time on behalf of the Corporation, and Employee
shall not engage in any other gainful employment without written consent of the
Corporation; provided, however, that nothing contained herein shall prohibit
Employee from investing or trading in stocks, bonds, commodities or other forms
of investment, including real property.

            3. Term of Agreement. The effective date of this Agreement shall be
the
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

date of this Agreement, and it shall continue in full force and effect for a
period of five (5) years unless sooner terminated as hereinafter provided.

            4. Compensation.

                  (a) Annual Salary. The Corporation shall pay to Employee as
compensation for Employee's services a salary of $150,000 per year, payable in
installments in accordance with the payroll policies of the Corporation in
effect from time to time during the Employment Term. Employee's salary shall be
reviewed annually by the Corporation's Board of Directors, at which time
Employee's salary may be adjusted as mutually agreed upon by Employee and the
Corporation's Board of Directors.

                  (b) Performance Bonus. To provide greater incentive for
Employee by rewarding him with additional compensation, a cash bonus may be paid
to Employee at any time during the year, or after the close of the year, based
upon the performance of the Corporation and the performance of Employee during
such year; provided, however, that the payment of any such bonus and the amount
thereof shall be within the sole discretion of the Corporation's Board of
Directors. The Corporation may offer a quarterly incentive consideration as a
percentage of the sales of the Corporation. Bonus agreements made as indicated
by the initial employment offer shall be honored provided all conditions and
responsibilities remain the same. In making bonus determinations, the Directors
will consider the following:

                        (i) The net profit of the Corporation for the year;

                        (ii) The base salary of Employee;

                        (iii) Employee's overall performance as an employee of
      the Corporation;

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Subj: Employment Agreement ICO James P. Abraham

                        (iv) A comparison of Employee's performance with the
      performance of the other employees of the Corporation; and

                        (v) Such other matters as may be considered appropriate
      by the Directors.

                  (c) Stock Options. Employee shall be granted an option to
purchase seventeen thousand (17,000) shares of common stock of Regeneration
Technologies, Inc. ("RTI") at the exercise price of Six and 25/100 Dollars
($6.25) per share, subject to approval of the Board of Directors and subject to
such vesting and other requirements as are set forth in the Omnibus Stock Plan,
the Employee Restricted Stock Agreement and the Incentive Stock Option Grant
Agreement between RTI and Employee as additional consideration for services
rendered to RTI.

                  (d) Withholding, FICA, FUTA. Employee's salary and performance
bonus, if any, shall be subject to, and reduced by, applicable federal income
tax withholding and FICA tax, and any other taxes imposed by law.

            5. Other Benefits. The Employee shall be entitled to such vacation
days, sick days, insurance and other benefit programs as are established for all
other employees of the Corporation, on the same basis as such other employees
are entitled thereto, it being understood that the establishment, termination,
or change of any such program shall be at the instance of the Company, in
exercise of its sole discretion, from time to time, and any such termination or
change in any such program shall not affect this Agreement.

            6. Fringe Benefits. During the term of this Agreement, Employee
shall be

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Subj: Employment Agreement ICO James P. Abraham

entitled to all fringe benefits offered generally to the Corporation's
managerial employees as established or modified from time to time by the
Corporation, pro-rated based on the percentage of time Employee devotes to the
Corporation, subject always to the rules in effect regarding participation in
such plans. Employee shall not by entitled to any fringe benefits as a result of
his employment with the Corporation.

            7. Business Expenses. Except as otherwise provided herein, the
Corporation shall pay, either directly or by reimbursement to Employee, such
reasonable and necessary business expenses incurred by Employee in the course of
his employment by the Corporation as are consistent with the Corporation's
policies in existence from time to time, subject to such dollar limitations and
verification and record keeping requirements as may be established from time to
time by the Corporation.

            8. Vacation and Sick Leave. Employee shall be entitled to such paid
vacation time and paid sick leave each year, as shall be authorized by the
Corporation from time to time. All vacations shall be taken by Employee at such
time or times as may be approved by the Corporation. There will be no carryover
of unused vacation time or sick leave from one year to another, and Employee
shall not be entitled to any pay for unused vacation or sick leave.

            9. Time Off. Employee shall be entitled to such time off with pay
for attendance at seminars, courses, meetings and conventions as is authorized
by the Corporation from time to time. The specific seminars, courses, meetings
and conventions to be attended by Employee shall be subject to the Corporation's
prior approval.

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Subj: Employment Agreement ICO James P. Abraham

            10. Termination of Employment.

            (a) Voluntary Termination. Employee or the Corporation may
voluntarily terminate Employee's employment with the Corporation (and, expect as
otherwise specifically provided hereunder, this Agreement) at any time, by
delivering to the other party written notice of such intention not less than
thirty (30) days prior to the effective date of termination. Notwithstanding the
foregoing, if notice of termination is given by Employee to the Corporation,
then the Corporation shall have the option of advancing the effective date of
such termination to any date after receipt of such notice from Employee, which
option shall be exercised by the Corporation within three (3) business days of
receipt of such notice.

            (b) Termination for Cause. The Corporation may immediately terminate
Employee's employment with the Corporation (and, except as otherwise
specifically provided hereunder, this Agreement) for "cause" by giving written
notice (without regard to the thirty (30) day period provided above) of such
termination to Employee specifying the grounds therefor. A termination for
"cause" shall only be for any one or more of the following reasons:

                  (i) Willfully or negligently damaging the Corporation's
property, business, reputation or goodwill;

                  (ii) Willfully injuring any employee of the Corporation;

                  (iii) Willfully injuring any person in the course of the
performance of services for the Corporation;

                  (iv) Lawfully charged with commission of a felony;

                  (v) Stealing, dishonesty, fraud or embezzlement;

                  (vi) Deliberate and continuous neglect of duty;

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Subj: Employment Agreement ICO James P. Abraham

                  (vii) Failure to properly perform Employee's duties;

                  (viii) Use of alcohol or narcotics to the extent it prevents,
in the sole judgement of the Corporation's Board of Directors, Employee from
effectively performing the duties set forth in Paragraph 1 above;

                  (ix) Violating the covenants set forth in Paragraph 11 or 12
of this Agreement.

                  The decision to terminate Employee's employment for "cause"
shall be made by the Corporation's Board of Directors in its sole discretion.

            (c) Termination Upon Death, Incompentency or Disability.
Notwithstanding Subparagraph 9(a) above, the Corporation shall have the right to
terminate Employee's employment with the Corporation (and, expect as otherwise
specifically provided hereunder, this Agreement) immediately and without prior
written notice to Employee in the event that the Employee dies, or is
adjudicated incompetent, or is "permanently disabled", as hereinafter denied. As
used herein, the term "permanently disabled" shall mean that Employee is unable
to adequately perform his regular duties hereunder as a result of sickness or
accident and such condition appears to be permanent. The determination of
"permanent disability" shall be made by the Corporation's Board of Directors in
its sole and absolute discretion and its decision shall be final and binding on
Employee unless found to be arbitrary or capricious by a court of competent
jurisdiction.

            (d) Performance of Duties During Notice Period. In the event that
Employee terminates Employee's employment with the Corporation in accordance
with the terms of Subparagraph 9(a), Employee, if requested by the Corporation,
shall continue to render services

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Subj: Employment Agreement ICO James P. Abraham

hereunder on behalf of the Corporation for the thirty (30) day period until the
effective date of termination, and shall, in such event, be paid the
compensation due Employee hereunder for the remainder of such period.

            11. Confidential Information. Employee acknowledges and recognizes
that, in connection with the performance of Employee's duties and obligations
for the Corporation, Employee has and will have access to certain confidential
information of the Corporation, including, but not limited to, any intellectual
property of the Corporation, the identity of the Corporation's clients, the
identity of prospective clients, the existence of negotiations with prospective
clients of the Corporation, all drawings, records, sketches, models, financial
information, customer information, trade secrets, and trade secrets relating to
services of the Corporation, and products being developed by the Corporation
(the "Confidential Information"). Employee hereby acknowledges that the
maintenance of the confidentiality of the Confidential Information and
restrictions on the use of the Confidential Information is essential to the
Corporation. Employee shall not, at any time, whether during the term of this
Agreement or after the termination of Employee's employment with the Corporation
for any reason whatsoever, divulge or reveal any of the Confidential Information
to any person, party or entity, directly or indirectly. In addition, Employee
shall not utilize any of the Confidential Information for Employee's own
benefit, or for the benefit of any subsequent employer or competitor of the
Corporation. Employee shall maintain the Confidential Information in strict
confidence and shall not copy, duplicate or otherwise reproduce, in whole or in
part, such Confidential Information, except as necessary for Employee to perform
services for the Corporation. Upon the termination of Employee's employment by
the Corporation, or at the earlier request of the

                                       7
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

Corporation, Employee shall immediately surrender to the Corporation any and all
memoranda, records, files or other documents and any other materials (including
photocopies or other reproductions) relating to the Confidential Information.
Employee shall indemnify and hold the Corporation harmless from any loss,
damage, expense, cost or liability arising out of any unauthorized use or
disclosure of the Confidential Information by Employee. The provisions of this
Paragraph 11 shall survive the termination of Employee's employment with the
Corporation and the termination of this Agreement.

            12. Employee Developments. Employee is aware and understands that
during the term of Employee's employment with the Corporation or with the
financial and other assistance that may be provided by the Corporation, Employee
may invent, create, develop and improve certain valuable property such as, but
not limited to, patents, trademarks, inventions, other patentable inventions and
other trade secrets and formula ("Employee Developments"). Employee agrees that
all Employee Developments that may be developed or produced by Employee during
Employee's employment by the Corporation are and will be the property of the
Corporation and that Employee further agrees that she will, at the request of
the Corporation, execute such documents as the Corporation may reasonably
request from time to time, to assign and transfer all of the right, title and
interest in Employee Developments that are the property of the Corporation to
the Corporation and she will cooperate with the Corporation in connection with
any patent applications. In this regard, Employee will, at all times, fully
advise and inform the Corporation of all matters that Employee may be developing
or working on while employed by the Corporation. Employee further agrees that
upon the termination of her employment with the Corporation for any reason
whatsoever, Employee shall immediately deliver and surrender to

                                       8
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

the Corporation any and all plans, documents and other materials of any nature
relating to the Employee Developments. The Corporation may provide additional
compensation to Employee as consideration for Employee Developments in
accordance with any patent policy of the Corporation. The provisions of this
Paragraph 12 shall survive the termination of this Agreement.

            13. Limitation of Employment.

                  (a) In the event of the termination of Employee's employment
with the Corporation either by the Corporation for cause (as defined in
Subparagraph 10(b) above) or voluntarily by Employee, Employee agrees that for a
period of three (3) years following the effective date of such termination,
Employee will not engage in or be employed by any business which engages in the
business of manufacturing or distributing products from bone tissue in the
United States.

                  (b) In the event of the termination of Employee's employment
with the Corporation by the Corporation without cause, Employee agrees that for
a period of one (1) year following the effective date of such termination,
Employee will not engage in or be employed by any business which engages in the
business of manufacturing or distributing products from bone tissue within the
United States. In the event Employee is terminated by the Corporation without
cause, the Corporation will provide severance compensation to Employee as
follows:

                        (1) The Corporation provides no severance compensation
in the event of termination prior to the end of four (04) months of full time
employment;

                        (2) The Corporation provides one month of basic annual
salary if Employee has served four months of full time employment upon
termination.

                                       9
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

                        (3) The Corporation provides Employee two (2) months of
basic annual salary upon termination, if the Employee has served six (06) full
months of employment, to be paid monthly;

                        (4) the Corporation provides Employee three (3) months
of basic annual salary if Employee has served at least (08) full months of
employment upon termination, to be paid out monthly;

                        (5) The Corporation provides Employee four (4) months of
basic annual salary if Employee has served at least (09) months of employment
upon termination, to be paid out monthly;

                        (6) The Corporation provides Employee five (5) months of
basic annual salary if Employee has served at least (10) months of employment
upon termination, to be paid out monthly;

                        (7) The Corporation provides Employee six (6) months of
basic annual salary if Employee has served at least (12) months of employment
upon termination, to be paid out monthly.

                  (b) Employee acknowledges that this restrictive covenant is
reasonably necessary to protect the Corporation's legitimate business interests,
which are represented by, among other things, the substantial relationships
between the Corporation and its licensees and tissue sources, as well as the
goodwill established by the Corporation with licensees and tissue sources in the
United States and other countries where the Corporation's tissues are
distributed over a protracted period.

                                       10
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

                  (c) Employee recognizes the fact that the Corporation would
not sign this Agreement without the inclusion of this covenant, and Employee
confirms the sufficiency of the consideration received by Employee, in the form
of employment by the Corporation, in accepting this covenant as a material term
of the Agreement.

                  (d) It is agreed that the Corporation will be entitled to
specific performance of this provision, and to injunctive relief in view of the
fact that the actual harm is not readily ascertainable or compensable by money
damages.

                  (e) The period set forth in subparagraph (a) above will be
tolled during any time in which Employee is in violation of the restrictive
covenant contained in this Paragraph 13, and that period will begin to run again
from the date Employee ceases such violation.

                  (f) This Paragraph 13 will survive the termination of this
Agreement and the termination of Employee's employment with the Corporation.

            14. Remedies For Breach. It is understood and agreed by the parties
that no amount of money would adequately compensate the Corporation for damages
which the parties acknowledge would be suffered as a result of a violation by
the Employee of the covenants contained in Paragraphs 12 and 13 above, and that,
therefore, the Corporation shall be entitled, upon application to a court of
competent jurisdiction, to obtain injunctive relief to enforce the provisions of
Paragraphs 12 and 13, which injunctive relief shall be in addition to any other
rights or remedies available to the Corporation. If such a violation occurs,
Employee shall be responsible for the payment of reasonable attorney's fees and
other costs and expenses incurred by the Corporation in enforcing the covenants
contained in Paragraphs 12 and 13 above, whether

                                       11
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

incurred at the trial level or in any appellate proceeding. The provisions of
this Paragraph 14 shall survive the termination of this Agreement.

            15. Limitations on Authority. Without the express written consent of
the Corporation's Board of Directors, Chief Executive Officer, or the Vice
President of Business Development, Employee shall have no apparent or implied
authority to do any of the following:

                  (a) Pledge the credit of the Corporation or any of its other
employees;

                  (b) Bind the Corporation under any contract, agreement, note,
mortgage or other obligation, except in the performance of his/her functional
duties relating to Director, Sales and in conjunction with signature of CEO or
VP of Business Development;

                  (c) Release or discharge any debt due the Corporation unless
the Corporation has received the full amount thereof; or

                  (d) Sell, mortgage, transfer or otherwise dispose of any
assets of the Corporation.

            16. Subject to the terms and conditions set forth herein, RTI
indemnifies Employee if Employee is made a party to any lawsuit initiated by
Encore Orthopedics, Inc. ("Encore") which is based primarily on Employee taking
employment with Regeneration Technologies, Inc. (RTI). This indemnification
covers expenses (including attorneys' fees) actually and reasonably incurred by
Employee in connection with the defense or settlement of such action. In the
event that RTI has the obligation to indemnify Employee under this agreement,
then RTI shall have the right to designate the counsel that will handle the
litigation. RTI will not have a duty to provide indemnification if Employee has
not fully disclosed to RTI his contractual obligations to RTI, or if Employee
breaches any confidentiality arrangements

                                       12
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

(contractual or otherwise) that he has with RTI. It is RTI's understanding that
the only contractual obligation Employee has with Encore regarding employment
with Encore or concerning obligations owed to Encore after his termination of
employment with Encore is the Indemnification Agreement dated August 16, 1995,
the Employment Agreement dated August 17, 1995, and the Severance Agreement
dated September 19, 1995, between Employee and Encore. Employee must disclose to
RTI and, prior to his commencement of employment with RTI, provide RTI with a
copy of those agreements and any other agreements that he has with Encore.

As a condition of RTI's promise to indemnify Employee, Employee agrees not to
take any actions that may be deemed by a reasonable person to breach any
confidentiality agreements you have with Encore. These prohibited actions
include, but are not limited to, making copies of internal, confidential lists
of customers, sales agents or distributors of Encore, removing from Encore any
property of Encore, or disclosing to any current or future employee of RTI any
information that Employee knows to be a trade secret or protected confidential
information of Encore. Employee's failure to fully comply with this condition
will nullify RTI's obligation to indemnify Employee.

            17. Severability. If any provision of this Agreement shall be
declared invalid or unenforceable by a court of competent jurisdiction, the
invalidity or unenforceability of such provision shall not affect the other
provisions hereof, and this Agreement shall be construed and enforced in all
respects as if such invalid or unenforceable provision was omitted.

            18. Attorney's Fees and Costs. Except as provided in Paragraph 14
above, in

                                       13
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

the event a dispute arises between the parties hereto and suit is instituted,
the prevailing party in such litigation shall be entitled to recover reasonable
attorney's fees and other costs and expenses from the nonprevailing party,
whether incurred at the trial level or in any appellate proceeding.

            19. Governing Law; Venue. This Agreement shall be governed by and
construed in accordance with the laws of the State of Florida, and venue for any
legal proceeding or action at law arising out of or construing this Agreement
shall lie in the state courts of Alachua County, Florida, or the United States
District Court for the Northern District of Florida, Gainesville Division.

            20. Completeness of Agreement. All understandings and agreements
heretofore made between the parties hereto with respect to the subject matter of
this Agreement are merged into this document which alone fully and completely
expresses their agreement. No change or modification may be made to this
Agreement except by instrument in writing duly executed by the parties hereto
with the same formalities as this document.

                                       14
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

            21. Notices. Any and all notices or other communications provided
for herein shall be given in writing and shall be hand delivered or sent by
United States mail, postage prepaid, registered or certified, return receipt
requested, addressed as follows:

            If to the Corporation:

            Regeneration Technologies, Inc.
            Two Innovation Drive
            Alachua, Florida 32615
            Attn: President

            If to Employee:

            James P. Abraham
            404 SW 117th St
            GAINSEVILLE, FL

provided, however, that any party may, from time to time, give notice to the
other party of some other address to which notices or other communications to
such party shall be sent, in which event, notices or other communications to
such party shall be sent to such address. Any notice or other communication
shall be deemed to have been given and received hereunder as of the date the
same is actually hand delivered or, if mailed, when deposited in the United
States mail, postage prepaid, registered or certified, return receipt requested.

            22. Assignment. Neither party to this Agreement may assign its
rights or obligations hereunder without the prior written consent of the other
party.

            23. Binding Effect. This Agreement shall be binding upon and inure
to the benefit of the respective parties hereto, their heirs, legal
representatives, successors and permitted assigns.

                                       15
<PAGE>

Subj: Employment Agreement ICO James P. Abraham

            24. Counterparts. This Agreement may be executed in several
counterparts, each of which shall be deemed an original, and all of which shall
constitute but one and the same instrument.

            25. Captions. The captions appearing in this Agreement are inserted
only as a matter of convenience and in no way define, limit, construe or
describe the scope or intent of any provisions of this Agreement or in any way
affect this Agreement.

      IN WITNESS WHEREOF, the undersigned have executed this Agreement on the
date and year set forth above.

WITNESSES:                          "CORPORATION"

                                    Regeneration Technologies, Inc.

     [ILLEGIBLE]                    By: /s/ Nancy R. Holland      11/28/98
-------------------------------         ----------------------------------
Witness                                     Nancy R. Holland          Date

                                    Title: VP Bus. Development
                                           -------------------------------
                                            [ILLEGIBLE]

                                    "EMPLOYEE"
                                    James P. Abraham

     [ILLEGIBLE]                    By: /s/ James P. Abraham
-------------------------------         ----------------------------------
Witness                                  James P. Abraham (Signature/Date)

                                       16
<PAGE>

Proposal for compensation for the position of V.P. Sales:

Salary: $175,000 per year

Car Allowance: $550 per month

Club Dues: Local golf course

Stock Options: 50,000 shares total

Year-End Bonus Program: 15% of salary based on Top Line Revenue achievement

                        10% of salary based on Profitability Performance

                         5% of salary based on Expense Budget Performance

Quarterly Override: .2% of sales from dollar one on all sports medicine and oral
                    maxilliofacial products.
                    .02% of sales from dollar one on conventional tissue sales.

Presidents discretion: Bonus based on increase in all RTI direct products as a
percentage of overall sales as Compared to SDG sales.

1)    Salary is based on current salary as Director of sales of $150k per year
      and promotion to V.P. level. This figure is very consistent with salary
      ranges of vice presidents in the health care profession. This would be the
      current bottom of a range that caps around 5225K.
2)    Car allowance is a perk of most sales executives that are entertaining
      clients. 3l cents per mile is much less cost effective. I currently have
      only utilized this mileage charge if I have traveled over 200 miles.
3)    Club dues follow the same path as perks for sales executives. I have been
      informed tat we have been paying dues for certain executives at the
      Heritage club. It is more effective for us to have a membership at a golf
      club for entertaining surgeons and distributors.
4)    Stock options bring me in line with other vice presidents and several
      directors. My original negotiations were based on outstanding stock of 2
      million shares. The current outstanding stock is 4 million, this gives me
      just at 1% of current outstanding shares.
5)    Bonus Program should reflect every Vice Presidents efforts to achieve
      revenue profitability and budget control. I would suggest that we make
      this a standard program for all of us and recognize this with stock
      options or profit sharing of some type.
6)    The president should retain the ability to compensate sales and marketing
      executives with a discretionary bonus based on achievements. This is a
      personal goal to succeed at a faster rate than Danek.

I have the greatest ability of anyone in the company to affect sales and top
line performance. My compensation is currently heavily weighted towards sales of
all partner products. This seems to have been conceived in an attempt to
justify getting me to an overall compensation dollar amount that we agreed upon
for my hire of 100k in bonus. This is good for me, but may not be in the
companies best interest.

My 1998 total W-2 was over $312,000. W-2 is available for your review. The
current compensation structure is attached for your review. This new
compensation structure enclosed should be very similar to the current
compensation program with the addition of a salary raise.

Coming to work with RTI has been a great career move for me and my family. We
are enjoying Gainesville and appreciate the confidence you have shown in
promoting me to Vice President. We will be successful in developing the company
into the market leader in Allograft\Xenograft tissue.
<PAGE>

<TABLE>
<CAPTION>
                           Net Sales      Net Sales
Product Line                Budget        Over Base        Old Rate      New Rate      New Incentive     Old Incentive
------------              ----------     ----------        --------      --------      -------------     -------------
<S>                       <C>            <C>                   <C>         <C>           <C>              <C>
MDDowel - SDG             10,910.540                                       0.100%        10,910.54         13,638 18
SR - SDG                   2,313,525                                       0.100%         2,313.53           2891.91
PLIF - SDG                 3,942,720                                       0.100%         3,942.72          4,928.40
Opteform - Exactech       4,461,275                                       0.100%         4,461.28           5,576.59
Osteofil - SDG             8,923,599                                       0.100%         8,923.60         11,154.50
FasLata - Bard             2,049,260                                       0.100%         2,049.26          2,561.58
Osteofil - RTI               873,738                                       2.000%        17,474.76         17,474.76
Conventional*             13,000,000     7,000,000                         0.212%        14,840.00
Interference Screw           807,040                           2%          1.750%        14,123.20            16,141
Maxillofacial                110,400                           2%          1.750%         1,932.00             2,208
Cortical Bone Pins            93,000                           2%          1.750%         1,627.50             1,860
Suture Anchors               571,200                           2%          1.750%         9,996.00            11,424
Fib Shafts & Wedges          965,050                           2%          1.750%        16,888.38            19.301
                          --------------------------------------------------------------------------------------------
                          49,021,347                                                    109,482.75        109,159.72
                          ============================================================================================
</TABLE>

Incentive based on net sales over base of 500,000/month * 12 months = $6,000,000

UFTB will support the conventional tissue incentive monthly until this tissue
transfers to RTI

/s/ James Abraham
------------------
James Abraham

/s/ Nancy Holland
------------------
Nancy Holland

/s/ Richard Allen
------------------
Richard Allen

/s/ Richard Zahn
------------------
Richard Zahn

25-Mar-99
<PAGE>

                        Regeneration Technologies, Inc.
                               Incentive Analysis

<TABLE>
<CAPTION>
                                      2nd Half Gross  2nd Half (B)    Suggested      Adjusted
Product Line                             Forecast     Net Forecast       Rate        Incentive
------------                          --------------  ------------    ---------      ---------
<S>                                     <C>            <C>               <C>         <C>
MD Dowel - SDG                                                --         0.00%              --

SR - SDG                                                      --         0.00%              --

PLIF - SDG                                                    --         0.00%              --

Opteform - Exactech                       900,180        900,180         0.50%        4,500.90

Osteofil - SOG                          6,581,494      2,632,598         0.50%       13,162.99

FasLata - Bard                                                           0.00%              --

Conventional - (A)                      4,712.975      1,327,556         2.50%       33,188.89

Osteofil - RTI - Italy                    304,218        304.218         2.50%        7,605.45

Osteofil - RTI                            525,116        406,965         2.50%       10,174.12

Regenaform                                160,550        124,426         2.50%        3,110.66

Regenafil                                 258,060        199,997         2.50%        4,999.91

Interference Screw                        514,800        398,970         2.50%        9,974.25

Maxillofacial Screw                        65,000         50,375         2.50%        1,259.38

Cortical Bone Pins                        101,280         78,492         2.50%        1,962.30

Suture Anchors & Spears                   278,000        215,450         2.50%        5,386.25

Fib Shafts & Wedges                            --             --         2.50%              --
                                                                                    ----------
 Total Q3 & Q4                                                                       95,325.10

Q1 & Q2 Incentive                                                                    20,000.00
 Total Potential Incentive for Year                                                 115,325.10
                                                                                    ==========
</TABLE>

(A) - Incremental over base of 500,000 per month
(B) - 2nd Half forecast is after Mgmt Fees or Distributor Commissions, where
      applicable.

/s/ James Abraham                                     July 7, 1999
-------------------
James Abraham

/s/ Richard Allen                                     July 7, 1999
-------------------
Richard Allen

/s/ Jamie Grooms                                      July 7, 1999
-------------------
Jamie Grooms
<PAGE>

                               Terms of Employment
                                       for
                         Jim Abraham, Director of Sales
                                November 3, 1998

Salary: $150,000

Bonus: $15,230
Initially, 1% of estimated fourth quarter 98 RTI sales to be available for down
payment on house
Year 1 - 1% sales, net distribution and management service fees for 1999
Years 2-5 to be determined in concert with salary cap

RTI options
Initially, 17,000 @ $6.25, subject to approval of the board of directors
Additional options will be available at a later date

Employment Agreement
5 years
Indemnification from Encore non-compete
Salary for years 2-5 to include cap to leave combined total of salary and sales
bonus consistent with other executive salaries at RTI.

Transition Incidentals: $5,000
Includes transportation, lodging, meals in relation to finding living quarters
and preparation for house sale

Moving:
AUSTIN - Estimates to be supplied for approval
No more than the actual cost will be reimbursed
Packing, unpacking, insurance, storage, if necessary, vehicle transfer Realtor's
fees @ 6% of sale of home

GAINESVILLE-- Temporary housing up to 90 days for Mr. Abraham. If family is
included in the 90 days temporary housing, Mr. Abraham will pay the difference.
Closing costs and one (1) point towards loan on new home

Please remit receipts for reimbursement of all moving expenses, except the
$5,000 for Transition Incidentals.

In addition to the compensation cited above, Mr. Abraham will be eligible for
the RTI 401 (k) retirement plan, life and health insurance benefits, annual and
sick leave.

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