Document:

Exhibit 10.7

                               RETENTION AGREEMENT

     Agreement, dated January 4, 2002, by and between Arch Capital Group Ltd., a
Bermuda company (the "Company"), Arch Capital Group (U.S.) Inc., a Delaware
corporation and a wholly owned subsidiary of the Company (the "Subsidiary"), and
Robert Clements (the "Director").

     WHEREAS, the board of directors of the Company (the "Board") wishes to
assure that it will have the continued dedication of the Director and the
availability of his advice and counsel, and to induce the Director to remain in
the service of the Company; and

     WHEREAS, the Director is willing to continue to serve the Company or one of
its subsidiaries taking into account the provisions of this Agreement;

     NOW, THEREFORE, in consideration of the foregoing, and the respective
covenants and agreements of the parties herein contained, the parties agree as
follows:

     1. Position & Responsibilities. The Company retains the Director to serve
as Chairman of the Board, and in such capacity the Director shall report to the
Board, and the Director accepts said retention. The term of the Director's
retention as Chairman of the Board shall continue so long as the Director
remains on the Board, provided that such retention shall terminate upon notice
by either the Company to the Director or by the Director to the Company.

     2. Compensation.

     (a) Compensation for the Director's services shall be at an annual
compensation rate equal to (1) 50% of the then annual base salary of the Chief
Executive Officer of the Company (the "Share Portion") plus (2) the amount,
calculated on an after-tax basis (net of any actual tax benefits, including any
interest expense deductions, to the Director with respect thereto, as determined
by an accounting firm selected by the Company and reasonably acceptable to the
Director), sufficient to defray the interest payable on the Loan (defined below)
(the "Cash Portion"). The Director may also receive an annual cash bonus to be
determined by the Board.

     (b) The Share Portion of the annual compensation for each year shall be
payable in restricted common shares of the Company based on the fair market
value of the common shares of the Company on January 1 of that year. The
restricted shares granted as annual compensation for any year shall fully vest
on January 1 of the following year, so long as Director continues to serve as
Chairman of the Board.

     (c) The Cash Portion of the annual compensation for each year shall be paid
in semiannual installments, on the business day preceding each date of payment
of interest on the Loan.

     (d) If the Director's service as chairman is terminated for any reason, he
shall receive an amount equal to a prorated portion of the Share Portion and
Cash Portion of his annual compensation for the year of such termination.

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                                       2

     (e) The Director waives his right to receive the annual retainer and
compensation for meetings that non-employee directors of the Company are
eligible to receive.

     3. Additional Terms. As a non-employee director, the Director is eligible
to participate in the Company's 1995 and 1999 Long Term Incentive and Share
Award Plans and any other similar plans adopted by the Company under which
annual awards of options and/or other shares-based awards may be granted by the
Board or its duly authorized committee; provided that the Director acknowledges
that he has no right to receive any awards under such plans.

     4. Loan.

     (a) The Director represents and warrants that he has made an election under
Section 83(b) of the United States Internal Revenue Code of 1986, as amended
(the "Code"), with respect to the 1,668,157 restricted shares of the Company
granted to him on October 23, 2001 (the "Applicable Restricted Shares"), and
that the Director will have an income tax liability of approximately $13,530,000
as a result of such election.

     (b) The Subsidiary agrees to make a non-recourse loan (the "Loan") to the
Director in an amount equal to $13,530,000 to be used by the Director solely for
the purpose of paying his income and self-employment taxes with respect to the
Applicable Restricted Shares. The Loan shall be secured by, and recourse only
to, the Applicable Restricted Shares and be evidenced by a non-recourse
promissory note (the "Note"), substantially in the form attached hereto as
Exhibit A. The Company and the Director agree that in the event of foreclosure
in accordance with the provisions of the Note, the Subsidiary shall be entitled
to take title to the Applicable Restricted Shares, free and clear of all liens
and contractual restrictions.

     (c) The Director shall give notice to the Subsidiary at least 10 business
days prior to the date on which he is required to pay the aforementioned income
and self-employment taxes with respect to the Applicable Restricted Shares. The
Subsidiary shall advance the proceeds of the Loan, to the account specified by
the Director, not later than the business day preceding such date on which
payment is required.

     5. Certain Additional Payments.

     (a) Anything in this Agreement to the contrary notwithstanding, in the
event it shall be determined that the Applicable Restricted Shares or the 21,472
restricted shares of the Company granted to the Director on November 19, 2001
(together with the Applicable Restricted Shares, the "Restricted Shares") would
be subject to the excise tax imposed by Section 4999 of the Code or any
corresponding provisions of state or local tax law, or any interest or penalties
are incurred by the Director with respect to such excise tax (such excise tax,
together with any such interest and penalties, are hereinafter collectively
referred to as the "Excise Tax"), then the Director shall be entitled to receive
an additional payment (a "Gross-Up Payment") in an amount such that after
payment by the Director of all taxes (including any Excise Tax, income tax or
employment tax) imposed upon the Gross-Up Payment and any interest or penalties
imposed with respect to such taxes (excluding any such interest or penalties
caused by the Director's willful inaction), the Director retains from the

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                                       3

Gross-Up Payment an amount equal to the Excise Tax imposed upon the Restricted
Shares. The payment of a Gross-Up Payment under this Section 5(a) shall not be
conditioned upon the Director's termination of service.

     (b) Subject to the provisions of Section 5(c), all determinations required
to be made under this Section 5, including the determination of whether a
Gross-Up Payment is required and of the amount of any such Gross-up Payment,
shall be made by PricewaterhouseCoopers (the "Accounting Firm"), which shall
provide detailed supporting calculations both to the Company and the Director
within 15 business days after the receipt of notice from the Company that the
Director has become subject to the Excise Tax with respect to the Restricted
Shares, or such earlier time as is requested by the Company. The initial
Gross-Up Payment, if any, as determined pursuant to this Section 5(b), shall be
paid to the Director no later than the later of (i) the due date for the payment
of any Excise Tax, and (ii) the receipt of the Accounting Firm's determination.
Any determination by the Accounting Firm meeting the requirements of this
Section 5(b) shall be binding upon the Company and the Director. As a result of
the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder, it is possible that
Gross-Up Payments which will not have been made by the Company should have been
made ("Underpayment") or Gross-up Payments are made by the Company which should
not have been made ("Overpayment"), consistent with the calculations required to
be made hereunder. In the event that the Company exhausts its remedies pursuant
to Section 5(c) and the Director thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall determine the amount of the Underpayment
that has occurred and any such Underpayment shall be promptly paid by the
Company to or for the benefit of the Director. In the event the Gross-up Payment
exceeds the amount necessary to reimburse the Director for the Excise Tax, the
Accounting Firm shall determine the Overpayment that has been made and any such
Overpayment shall be promptly paid by the Director to or for the benefit of the
Company. The fees and disbursements of the Accounting Firm shall be paid by the
Company. The Director agrees not to take any excise tax reporting position
inconsistent with any position taken by the Company with respect to the
Restricted Shares.

     (c) The Director shall notify the Company in writing of any specific claim
by the Internal Revenue Service that, if successful, would require the payment
by the Company of a Gross-Up Payment. Such notification shall be given as soon
as practicable and shall apprise the Company of the nature of such claim and the
date on which such Claim is requested to be paid. The Director shall not pay
such claim prior to the expiration of the 30-day period following the date on
which he gives such notice to the Company (or such shorter period ending on the
date that any payment of taxes with respect to such claim is due). If the
Company notifies the Director in writing prior to the expiration of such period
that it desires to contest such claim, the Director shall:

          (i) give the Company any information reasonably requested by the
     Company relating to such claim,

          (ii) take such action in connection with contesting such claim as the
     Company shall reasonably and in good faith request in writing from time to
     time, including, without limitation, accepting legal representation with
     respect to such claim by an attorney reasonably selected by the Company,

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                                       4

          (iii) cooperate with the Company in good faith in order effectively to
     contest such claim, and

          (iv) permit the Company to participate in any proceedings relating to
     such claim;

provided, however, that the Company shall bear and pay directly all costs and
expenses (including additional interest and penalties) incurred in connection
with such contest and shall indemnify and hold the Director harmless, on an
after-tax basis, for any Excise Tax, income tax or employment tax, including
interest and penalties with respect thereto (other than any such interest or
penalties caused by the Director's willful inaction), imposed as a result of
such representation and payment of costs and expenses.

     If the Company directs the Director to pay such claim and sue for a refund,
the Company shall advance the amount of such payment to the Director on an
interest-free basis and shall indemnify and hold the Director harmless, on an
after-tax basis, from any Excise Tax, income tax or employment tax, including
interest or penalties with respect thereto (other than any such interest or
penalties caused by the Director's willful inaction), imposed with respect to
such advance. The Company's rights hereunder shall be limited to issues with
respect to which a Gross-Up Payment would be payable hereunder and the Director
shall be entitled to settle or contest, as the case may be, any other issue
raised by the Internal Revenue Service or any other taxing authority.

     (d) If, after the receipt by the Director of an amount advanced by the
Company pursuant to Section 5(c), the Director becomes entitled to receive any
refund with respect to such claim, the Director shall (subject to the Company's
complying with the requirements of Section 5(c)) promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes applicable thereto). If, after the receipt by the Director of an amount
advanced by the Company pursuant to Section 5(c), a determination is made that
the Director shall not be entitled to any refund with respect to such claim and
the Company does not notify the Director in writing of its intent to contest
such denial of refund prior to the expiration of 30 days after such
determination, then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance shall offset, to the extent thereof,
the amount of Gross-Up Payment required to be paid.

     6. Non-Exclusivity of Rights. Nothing in this Agreement shall prevent or
limit the Director's continuing or future participation in any benefit, bonus,
policies or programs provided by the Company or any of its subsidiaries and for
which the Director may qualify, nor, except as provided in Section 10(e), shall
anything herein limit or otherwise affect such rights as the Director may have
under any share option or other agreements with the Company or any of its
subsidiaries.

     7. Full Settlement; Legal Expenses. The Company's obligation to make the
payments provided for in this Agreement and otherwise to perform its obligations
hereunder shall not be affected by any set-off, counterclaim, recoupment,
defense or other claim, right or action which the Company or any of its
subsidiaries may have against the Director or others. The Company agrees to pay,
upon written demand therefor by the Director accompanied by an invoice for such
fees and expenses, all legal fees and expenses which the Director may reasonably
incur as a result of any dispute or contest by or with the Company or others
regarding the validity or enforceability of, or liability

<PAGE>
                                       5

under, any provision of this Agreement (including as a result of any contest by
the Director about the amount of any payment hereunder), plus in each case
interest at the applicable federal rate provided for in Section 7872(f)(2) of
the Code, unless the Company prevails on all material causes of action in the
dispute or contest. In any such action brought by the Director for damages or to
enforce any provision of this Agreement, the Director shall be entitled to seek
both legal and equitable relief and remedies, including, without limitation,
specific performance of the Company's obligations hereunder, in the Director's
sole discretion.

     8. Confidential Information; Nonsolicitation of Employees and Customers.
The Director shall hold in a fiduciary capacity for the benefit of the Company
and its subsidiaries all secret or confidential information, knowledge or data
relating to the Company or any of its subsidiaries, and their respective
businesses and joint ventures, which shall have been obtained by the Director
during the Director's services with the Company or any of its subsidiaries
(except for information, knowledge or data which shall be or subsequently become
known or generally available to the public other than by acts of the Director or
his representatives in violation of this Agreement). After the date of
termination of the Director's services with the Company or any of its
subsidiaries, the Director shall not, without the prior written consent of the
Company, communicate or divulge any such information, knowledge or data to
anyone other than the Company and those designated by the Company. The Director
shall return to the Company at the time of the termination of the Director's
services with the Company or any of its subsidiaries all tangible property of
the Company or any its subsidiaries in the Director's possession, including, but
not limited to, confidential information relating to the Company or any of its
subsidiaries.

     The Director shall not, during the term of his retention by the Company or
any of its subsidiaries and for one year thereafter, directly or indirectly, on
behalf of the Director or any other person or entity, induce, or seek to induce,
any employee of the Company or any of its subsidiaries to terminate services
with the Company or any of its subsidiaries. In addition, the Director hereby
agrees that, in the event his service with the Company is terminated by the
Company prior to the fifth anniversary of the date hereof, during the period
ending on the later of the fifth anniversary of the date hereof or one year
following the date of his termination by the Company, he will not, without the
Company's written consent, directly or indirectly manage, participate in, or
render services for any business competing with the businesses of the Company or
its subsidiaries as such businesses exist or are in process as of the date of
termination, within any geographical area in which the Company or its
subsidiaries engage in such businesses.

     In the event of a breach or threatened breach by the Director of any
provision of this Section 8, the Director acknowledges that the Company and its
subsidiaries shall be entitled to an injunction restraining the Director from
such act or threatened act, in addition to monetary damages and any other
available remedies. The Director hereby expressly consents and agrees that, for
any breach or threatened breach of any provision of this Section 8, a
restraining order and/or an injunction may be issued against the Director in
addition to any other rights the Company or any of its subsidiaries may have
with respect to such violation or breach. In no event shall an asserted
violation of the provisions of this Section 8 constitute a basis for deferring
or withholding any amounts otherwise payable to the Director under this
Agreement. If, at the enforcement of this Section 8, a court holds that the
duration, scope or area restrictions stated herein are unreasonable under
circumstances then existing, the

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                                       6

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 Section
8 to cover the maximum duration, scope and area permitted by law.

     9. Successors.

     (a) This Agreement is personal to the Director and without the prior
written consent of the Company shall not be assignable by the Director otherwise
than by will or the laws of descent and distribution. This Agreement shall inure
to the benefit of and be enforceable by the Director's legal representatives or
successors in interest.

     (b) This Agreement shall inure to the benefit of and be binding upon the
Company and its successors and assigns.

     (c) The Company will require any successor (whether direct or indirect, by
purchase, merger, consolidation or otherwise) to all or substantially all of the
businesses and/or assets of the Company to assume expressly and agree to perform
this Agreement in the same manner and to the same extent that the Company would
be required to perform it if no such succession had taken place. For this
purpose, any company that owns the Company's Bermuda operations and becomes
directly owned by shareholders of the Company shall be deemed to be a successor
of the Company. As used in this Agreement, "Company" shall mean the Company as
hereinbefore defined and any successor to its business and/or assets as
aforesaid which assumes and agrees (or is required hereunder to assume and
agree) to perform this Agreement by operation of law or otherwise.

     10. Miscellaneous.

     (a) This Agreement shall be governed by and construed in accordance with
the laws of the State of Connecticut, without reference to principles of
conflict of laws. The captions of this Agreement are not part of the provisions
hereof and shall have no force or effect. This Agreement may not be amended or
modified otherwise than by a written agreement executed by the parties hereto or
their respective successors and legal representatives.

     (b) All notices and other communications hereunder shall be in writing and
shall be given by hand delivery to the other party or by registered or certified
mail, return receipt requested, postage prepaid, addressed as follows:

         If to the Director:

         Robert Clements
         104 Wallachs Point Drive
         Stamford, CT  06902

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                                       7

         If to the Company:

         Arch Capital Group Ltd.
         20 Horseneck Lane
         Greenwich, CT  06830
         Attention:  General Counsel

or to such other address as either party shall have furnished to the other in
writing in accordance herewith. Notice and communications shall be effective
when actually received by the addressee.

     (c) The invalidity or unenforceability of any provision of this Agreement
shall not affect the validity or enforceability of any other provision of this
Agreement.

     (d) The Director's or the Company's failure to insist upon strict
compliance with any provision hereof shall not be deemed to be a waiver of such
provision or any other provision hereof.

     (e) This Agreement replaces and supersedes in its entirety the Retention
and Change in Control Agreement dated as of May 5, 2000 between the Company and
the Director, which shall cease to be in effect.

     (f) This Agreement contains the entire understanding of the Company and the
Director with respect to the subject matter hereof but, except as otherwise
expressly stated herein, does not supersede or override the provisions of any
share option, restricted share, employee benefit or other plan, program, policy
or practice in which the Director is a participant or under which the Director
is a beneficiary.

<PAGE>

     IN WITNESS WHEREOF, the Director has hereunto set his hand and, pursuant to
the authorization from its Board of Directors, the Company has caused this
Agreement to be executed as of the date first above written.

                      ARCH CAPITAL GROUP LTD.

                      By:    /s/ Louis T. Petrillo
                             ------------------------------------------------
                             Name:  Louis T. Petrillo
                             Title:  Senior Vice President, General Counsel &
                                        Secretary

                      ARCH CAPITAL GROUP (U.S.) INC.

                      By:    /s/ Louis T. Petrillo
                             -------------------------------------------------
                             Name:  Louis T. Petrillo
                             Title:  Senior Vice President, General Counsel &
                                        Secretary

                             DIRECTOR:

                             /s/ Robert Clements
                             --------------------------------------------------
                             Robert Clements

<PAGE>

                                                                       Exhibit A

                      SECURED NON-RECOURSE PROMISSORY NOTE

US$13,530,000                                               Greenwich, CT
                                                            April __, 2002

     The undersigned, ROBERT CLEMENTS (the "Borrower"), HEREBY PROMISES TO PAY
to the order of Arch Capital Group (U.S.) Inc. (the "Holder"), US$13,530,000
(Thirteen Million Five Hundred Thirty Thousand United States Dollars), together
with interest thereon, in accordance with the terms and conditions set forth
below (including, without limitation, paragraph (k)).

     (a) Interest; Maturity. Interest on the principal balance of this Note from
time to time outstanding shall accrue from the date hereof (the "Effective
Date") at _____%,(1) compounded semi-annually. Interest shall accrue and be
payable on each March 31 and September 30 and on the Maturity Date (defined
below). Interest shall be computed on the basis of a year of a 365-day year and
shall be paid for the actual number of days on which principal is outstanding.
In any event, the entire outstanding principal balance of this Note, together
with any accrued interest and other charges as may be due hereunder, shall be
paid on the fifth anniversary of the Effective Date (the "Maturity Date").

     (b) Payments. Amounts due hereunder are payable in lawful money of the
United States and in immediately available funds at the offices of the Holder
located at Arch Capital Group (U.S.) Inc., 20 Horseneck Lane, Greenwich, CT
06830 or at such other place as the Holder shall designate in writing to the
Borrower.

     (c) Optional Prepayment. The Borrower may, at his option, prepay this Note,
in whole or in part, at any time and from time to time, without premium or
penalty.

     (d) Representations. The Borrower represents and warrants as follows: (i)
Borrower has full power and authority to execute, deliver, and perform his
obligations under this Note; (ii) the execution, delivery and performance by the
Borrower does not contravene any agreement to which Borrower is a party or by
which he or any of his assets are bound; and (iii) this Note constitutes the
legal, valid and binding non-recourse obligation of the Borrower, enforceable
against the Borrower in accordance with its terms (including, without
limitation, paragraph (k)).

----------

1    Applicable federal rate (mid term rate) in effect at time of issuance of
     note.

<PAGE>
                                      -2-

     (e) Collateral. As collateral security for the payment and performance when
due (whether at maturity, by acceleration or otherwise) of all obligations of
the Borrower to the Holder under this Note, the Borrower hereby pledges and
assigns to the Holder a continuing first priority security interest in all
right, title and interest of the Borrower in and to the following:

     (i)  1,668,157 common shares, par value $0.01 per share, of ACGL granted
          under the Restricted Share Agreement, dated October 23, 2001 (the
          "Restricted Share Agreement") between the Borrower and Arch Capital
          Group Ltd., a Bermuda company ("ACGL"), and all securities or other
          property (including cash) issued in respect of or in exchange for such
          common shares (collectively, the "Pledged Securities"); and

     (ii) all dividends and distributions received or receivable in respect of
          such shares and the proceeds of all of the foregoing (collectively,
          the "Collateral").

The Borrower shall deliver to the Holder any and all original certificates held
by Borrower representing the Pledged Securities, together with blank, undated
assignments or share powers relating thereto. In addition, the Borrower shall
deliver such other documents, instruments and agreements and do such further
acts and things as the Holder shall reasonably request to further confirm unto
the Holder the security interest in the Collateral granted hereunder.

     (f) Voting. So long as no Event of Default has occurred and is continuing
under this Note, the Borrower shall be permitted to vote the Pledged Securities
without any further consent of the Holder, provided that the Borrower shall not
vote the Pledged Securities or otherwise take any other action that would
materially adversely affect the value of the Collateral or affect the lien on
the Collateral granted hereunder.

     (g) Sale of Pledged Securities by the Borrower. The Borrower may sell the
Pledged Securities at any time (subject to vesting requirements for the Pledged
Securities), provided that while any portion of the principal or interest on
this Note remains payable, the net after-tax proceeds of any such sale (or any
unrestricted cash received in any merger or other corporate transaction) shall
be applied to the payment of any such unpaid principal and interest, as provided
in paragraph (c) above.

     (h) Offset. The Borrower shall not offset any amounts due under this Note
against any amounts due or alleged due to the Borrower from the Holder or any of
its affiliates.

     (i) Acceleration. The following shall constitute "Events of Default":

<PAGE>
                                       -3-

          (i) the Borrower fails to make any payment within 5 days after the
     date it is due;

          (ii) the Borrower files a voluntary petition in bankruptcy, or is
     adjudicated bankrupt, under the Bankruptcy Code of the United States;

          (iii) the Borrower is the subject of a petition filed in the federal
     or territorial courts for the appointment of a trustee or receiver in
     bankruptcy or insolvency, which petition or proceeding, as it relates to
     Borrower, is not discharged or dismissed within 60 days after the
     commencement or filing of the same;

          (iv) the Borrower makes a general assignment for the benefit of
     creditors;

          (v) ACGL terminates the service of the Borrower as Chairman of the
     Board of Directors of ACGL for Cause (as defined below); or

          (vi) the Borrower terminates his service as Chairman of the Board of
     Directors of ACGL and breaches his obligation not to induce employees of
     ACGL or any of its subsidiaries to terminate service with ACGL or any of
     its subsidiaries as set forth in Section 8 of the Retention Agreement
     between ACGL, the Holder and the Borrower dated January 4, 2002 (the
     "Retention Agreement").

Upon the occurrence of any Event of Default, the entire balance of the principal
sum of this Note, together with all accrued and unpaid interest, if any, shall
become immediately due and payable. For purposes hereof, "Cause" shall mean the
conviction of the Borrower of a felony.

     (j) Remedies. Upon the occurrence and during the continuance of any Event
of Default, the Holder shall be entitled to exercise all remedies available to a
secured creditor upon the default of a debtor under applicable Connecticut law,
including, without limitation, selling the Collateral at a public or private
sale without notice to the Borrower to the extent permitted under applicable
Connecticut law.

     (k) No Personal Liability. Neither the Borrower nor any of his heirs, legal
representatives, successors or assigns shall have any personal liability for the
payment or performance of any of the Borrower's obligations hereunder. The
Holder may enforce its rights in, to, or against only the Collateral, and Lender
shall have full recourse to and the right to proceed against, only such
Collateral. In all events, no monetary or deficiency judgment shall be sought or
enforced against the Borrower or any of his heirs, legal representatives,
successors or assigns.

<PAGE>
                                      -4-

     (l) Assigns. This Note shall be binding upon and shall inure to the benefit
of the parties hereto and their respective heirs, executors, personal or legal
representatives and permitted assigns. This Note is personal to the Borrower and
without the prior written consent of the Holder shall not be assignable by the
Borrower otherwise than by will or the laws of descent and distribution. This
Note shall not be assignable by the Holder without the prior written consent of
the Borrower, except to any non-Bermuda subsidiary of ACGL or any person that
assumes the Retention Agreement.

     (m) Presentment. The Borrower hereby waives presentment for payment,
demand, protest and notice of dishonor of this Note.

     (n) Governing Law. This Note shall be governed by, and construed in
accordance with, the laws of the State of Connecticut without giving effect to
the conflict of laws principles thereof.

     (o) Jurisdiction; Venue. The Borrower hereby (i) irrevocably submits to the
jurisdiction of any State or Federal court sitting in Connecticut in any action
or proceeding arising out of or relating to this Note, (ii) irrevocably waives
any defense based on doctrines of venue or forum non conveniens, or similar
rules or doctrines, and (iii) irrevocably agrees that all claims in respect of
such an action or proceeding may be heard and determined in such State or
Federal court.

     (p) Severability. Wherever possible each provision of this Note shall be
interpreted in such manner as to be effective and valid under applicable law,
but if any provision of this Note shall be prohibited by or invalid under such
law, such provision shall be ineffective to the extent of such prohibition or
invalidity without invalidating the remainder of such provision or the remaining
provisions of this Note and shall be interpreted so as to be effective and
valid.

     SIGNED AND DELIVERED by the undersigned to be effective as of the Effective
Date set forth above.

                                   ------------------------------------
                                            ROBERT CLEMENTSExhibit 10.8

                              EMPLOYMENT AGREEMENT

     EMPLOYMENT AGREEMENT ("Agreement") dated as of October 23, 2001 between
Arch Capital Group Ltd., a Bermuda corporation (the "Company"), and John M.
Pasquesi (the "Executive").

     The parties hereto agree as follows:

                                    ARTICLE 1

                                   DEFINITIONS

     SECTION 1.01. Definitions. For purposes of this Agreement, the following
terms have the meanings set forth below:

     "Base Salary" has the meaning set forth in Section 4.01.

     "Cause" means (a) theft or embezzlement by the Executive with respect to
the Company or its Subsidiaries; (b) malfeasance or gross negligence in the
performance of the Executive's duties without the same being corrected within
twenty (20) days after being given written notice thereof; (c) the commission by
the Executive of any felony or any crime involving moral turpitude; (d)
continued and habitual use of alcohol by the Executive to an extent which
materially impairs the Executive's performance of his duties without the same
being corrected within twenty (20) days after being given written notice
thereof; or (e) the Executive's use of illegal drugs without the same being
corrected within twenty (20) days after being given written notice thereof.

     "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
Subsidiaries in connection with its 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 Executive; or (c) the disclosure of which is consented to in writing by
the Company.

     "Date of Termination" has the meaning set forth in Section 5.06.

     "Employment Period" has the meaning set forth in Section 2.01.

     "Good Reason" means, without the Executive's written consent, (a) the
material diminution of the duties or responsibilities of the Executive without
the same being corrected within twenty (20) days after being given written
notice thereof; provided, however, that the Company shall have the right to
receive notice and, therefore, the right to make such a correc-

<PAGE>
                                      -2-

tion only once during any twelve (12) month period; or (b) a reduction in the
Executive's Base Salary.

     "Intellectual Property" has the meaning set forth in Section 7.01.

     "Notice of Termination" has the meaning set forth in Section 5.05.

     "Person" means an individual, a partnership, a corporation, a limited
liability company, an association, a joint stock company, an estate, a trust, a
joint venture, an unincorporated organization or a governmental entity or any
department, agency or political subdivision thereof.

     "Permanent Disability" means those circumstances where the Executive is
unable to continue to perform the usual customary duties of his assigned job or
as otherwise assigned in accordance with the provisions of this Agreement for a
period of six (6) months in any twelve (12) month period because of physical,
mental or emotional incapacity resulting from injury, sickness or disease. Any
questions as to the existence of a Permanent Disability shall be determined by a
qualified, independent physician selected by the Company and approved by the
Executive (which approval shall not be unreasonably withheld). The determination
of any such physician shall be final and conclusive for all purposes of this
Agreement.

     "Reimbursable Expenses" has the meaning set forth in Section 4.03.

     "Subsidiary" or "Subsidiaries" means, with respect to any Person, any
corporation, partnership, limited liability company, association or other
business entity of which (a) if a corporation, fifty (50) percent or more of the
total voting power of shares of stock entitled (without regard to the occurrence
of any contingency) to vote in the election of directors, managers or trustees
thereof is at the time owned or controlled, directly or indirectly, by that
Person or one or more of the other Subsidiaries of that Person or combination
thereof; or (b) if a partnership, limited liability company, association or
other business entity, fifty (50) percent or more of the partnership or other
similar ownership interest thereof is at the time owned or controlled, directly
or indirectly, by any Person or one or more Subsidiaries of that Person or a
combination thereof. For purposes of this definition, a Person or Persons will
be deemed to have a fifty (50) percent or more ownership interest in a
partnership, limited liability company, association or other business entity if
such Person or Persons are allocated fifty (50) percent or more of partnership,
limited liability company, association or other business entity gains or losses
or control the managing director or member or general partner of such
partnership, limited liability company, association or other business entity.

<PAGE>
                                      -3-

                                    ARTICLE 2

                                   EMPLOYMENT

     SECTION 2.01. Employment. The Company shall employ the Executive, and the
Executive shall accept employment with the Company, upon the terms and
conditions set forth in this Agreement for the period beginning on the date
hereof and ending as provided in Section 5.01. The period beginning on the date
hereof and ending as provided in Section 5.01 is referred to herein as the
"Employment Period."

                                    ARTICLE 3

                               POSITION AND DUTIES

     SECTION 3.01. Position and Duties. The Executive shall serve as
Vice-Chairman of the Company, reporting to, and subject to the control of, the
Board of Directors of the Company. The Executive shall be responsible for the
oversight of capital allocation and investment with respect to the Company. The
Executive will devote such time to his employment hereunder as is necessary to
carry out his duties and responsibilities. The Executive's services hereunder
shall not be required to be provided from a location other than San Francisco,
California. In addition, if requested by the Company the Executive will provide
the services set forth above as an employee of a wholly-owned United States
subsidiary of the Company.

                                    ARTICLE 4

                            BASE SALARY AND BENEFITS

     SECTION 4.01. Base Salary. During the Employment Period, the Executive's
base salary will be $30,000 per annum (the "Base Salary"). The Base Salary will
be payable bimonthly on the fifteenth and last working days of each month in
arrears. The Executive acknowledges that, as an executive officer of the
Company, he will not be entitled to any additional compensation for his service
as a member of the Board of Directors of the Company.

     SECTION 4.02. Benefits. In addition to the Base Salary, the Executive shall
be entitled to benefits under any plan or arrangement available generally for
senior executive officers of the Company, subject to and consistent with the
terms and conditions and overall administration of such plans as set forth from
time to time in the applicable plan documents.

     SECTION 4.03. Expenses. The Company shall reimburse the Executive for all
reasonable expenses incurred by him (including business class airfare) in the
course of performing his duties under this Agreement which are consistent with
the Company's policies in effect from time to time with respect to travel,
entertainment and other business expenses, ("Reimbursable Expenses"), subject to
the Company' requirements with respect to reporting and documentation of
expenses.

<PAGE>
                                      -4-

     SECTION 4.04. Stock Options Restricted Stock and Stock Purchase. On the
date hereof, the Company shall grant to the Executive an option to acquire
375,473 shares of the Company's common stock at an exercise price of $20.00 per
share. The other terms of the stock option shall be as set forth in the form of
Stock Option Agreement attached hereto as Exhibit A. The stock option award
provided for in this Section 4.04 is made as an inducement essential to the
Executive's entering into this Agreement.

                                    ARTICLE 5

                              TERM AND TERMINATION

     SECTION 5.01. Term. The Employment Period will terminate one day following
the second anniversary hereof; provided that (a) the Employment Period shall
terminate prior to such date upon the Executive's death or Permanent Disability,
(b) the Employment Period may be terminated by the Company for any reason prior
to such date, and (c) the Employment Period may be terminated by the Executive
at any time prior to such date.

     SECTION 5.02. Unjustified Termination. Except as otherwise provided in
Section 5.03, if the Employment Period shall be terminated prior to the
expiration of the second anniversary of the date hereof by the Executive for
Good Reason or by the Company not for Cause (collectively, an "Unjustified
Termination") (it being understood that a termination (a) for Cause, (b) as a
result of the Executive's resignation or leaving his employment other than for
Good Reason, or (c) as a result of the death or Permanent Disability of the
Executive shall not constitute an Unjustified Termination), the Executive shall
be paid solely (except as provided in Section 5.04 below) the amount of six
months' of his Base Salary, provided the Executive shall be entitled to such
payments only if the Executive has not breached and does not breach the
provisions of Sections 6.01, 7.01, 8.01 or 9.01 and the Executive has entered
into and not revoked a general release of claims reasonably satisfactory to the
Company. Such amounts will be payable in equal monthly installments for a period
of six (6) months commencing on the first month anniversary of the Date of
Termination, and such amounts will be reduced by any amount earned by the
Executive during such six (6) month period from other employment, including
self-employment. In addition, promptly following an Unjustified Termination, the
Executive shall also be reimbursed all Reimbursable Expenses incurred by the
Executive prior to such Unjustified Termination.

     SECTION 5.03. Justified Termination. If the Employment Period shall be
terminated prior to the expiration of the second anniversary of the date hereof
(a) for Cause, (b) as a result of the Executive's resignation or leaving of his
employment, other than for Good Reason, or (c) as a result of the death or
Permanent Disability of the Executive (collectively, a "Justified

<PAGE>
                                      -5-

Termination"), the Executive shall be entitled to receive solely (except as
provided in Section 5.04 below) his Base Salary through the Date of Termination
and reimbursement of all Reimbursable Expenses incurred by the Executive prior
to such Justified Termination.

     SECTION 5.04. Benefits. Except as otherwise required by mandatory
provisions of law or as otherwise provided in any stock option agreement with
the Company, all of the Executive's rights to fringe and other benefits under
this Agreement or otherwise, if any, accruing after the termination of the
Employment Period as a result of a Justified Termination will cease upon such
Justified Termination. Notwithstanding the foregoing, the provisions of the
stock option agreements between the Company and the Executive shall govern the
consequences of termination of the Executive's employment on such stock options.

     SECTION 5.05. Notice of Termination. Any termination by the Company for
Permanent Disability or Cause or without Cause or by the Executive for Good
Reason shall be communicated by written Notice of Termination to the other party
hereto. For purposes of this Agreement, a "Notice of Termination" shall mean a
notice which shall indicate the specific termination provision in this Agreement
relied upon and shall set forth in reasonable detail the facts and circumstances
claimed to provide a basis for termination of employment under the provision
indicated.

     SECTION 5.06. Date of Termination. "Date of Termination" shall mean (a) if
the Employment Period is terminated as a result of a Permanent Disability, five
(5) days after a Notice of Termination is given, (b) if the Employment Period is
terminated for Good Reason, the date specified in the Notice of Termination, and
(c) if the Employment Period is terminated for any other reason (including for
Cause), the date designated by the Company in the Notice of Termination.

                                    ARTICLE 6

                            CONFIDENTIAL INFORMATION

     SECTION 6.01. Nondisclosure and Nonuse of Confidential Information. The
Executive will not disclose or use at any time during or after the Employment
Period any Confidential Information of which the Executive is or becomes aware,
whether or not such information is developed by him, except to the extent that
such disclosure or use is directly related to and required by the Executive's
performance of duties assigned to the Executive pursuant to this Agreement.
Under all circumstances and at all times, the Executive will take all
appropriate steps to safeguard Confidential Information in his possession and to
protect it against disclosure, misuse, espionage, loss and theft.

<PAGE>
                                      -6-

                                    ARTICLE 7

                              INTELLECTUAL PROPERTY

     SECTION 7.01. Ownership of Intellectual Property. In the event that the
Executive as part of his activities on behalf of the Company 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 as
now or hereinafter conducted (collectively, "Intellectual Property"), the
Executive 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 Executive during the Employment Period 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 Executive 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 Executive's employment
hereunder).

                                    ARTICLE 8

              DELIVERY OF MATERLALS UPON TERMINATION OF EMPLOYMENT

     SECTION 8.01. Delivery of Materials upon Termination of Employment. As
requested by the Company, from time to time and upon the termination of the
Executive's employment with the Company for any reason, the Executive will
promptly deliver to the Company all copies and embodiments, in whatever form or
medium, of all Confidential Information or Intellectual Property in the
Executive's possession or within his 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.

<PAGE>
                                      -7-

                                    ARTICLE 9

                                 NONSOLICITATION

     SECTION 9.01. Nonsolicitation. The Executive hereby agrees that during the
Employment Period and for a period of two (2) years after the Date of
Termination (the "Nonsolicitation Period") the Executive will not, directly or
indirectly through another entity, induce or attempt to induce any employee of
the Company or its Subsidiaries to leave the employ of the Company or its
Subsidiaries, or in any way interfere with the relationship between the Company
or its Subsidiaries and any employee thereof.

     SECTION 9.02. Enforcement. If, at the enforcement of Section 9.01, a court
holds that the duration or scope restrictions stated herein are unreasonable
under circumstances then existing, the parties agree that the maximum duration
or scope reasonable under such circumstances will be substituted for the stated
duration or scope and that the court will be permitted to revise the
restrictions contained in this Section 9 to cover the maximum duration and scope
permitted by law.

                                   ARTICLE 10

                                EQUITABLE RELIEF

     SECTION 10.01. Equitable Relief. The Executive acknowledges that (a) the
covenants contained herein are reasonable, (b) the Executive's services are
unique, and (c) a breach or threatened breach by him of any of his covenants and
agreements with the Company contained in Sections 6.01, 7.01, 8.01 or 9.01 could
cause irreparable harm to the Company for which they would have no adequate
remedy at law. Accordingly, and in addition to any remedies which the Company
may have at law, in the event of an actual or threatened breach by the Executive
of his covenants and agreements contained in Sections 6.01, 7.01, 8.01 or 9.01,
the Company shall have the absolute right to apply to any court of competent
jurisdiction for such injunctive or other equitable relief as such court may
deem necessary or appropriate in the circumstances.

                                   ARTICLE 11

                            EXECUTIVE REPRESENTATIONS

     SECTION 11.01. Executive Representations. The Executive hereby represents
and warrants to the Company that (a) the execution, delivery and performance of
this Agreement by the Executive does not and will not conflict with, breach,
violate or cause a default under any contract, agreement, instrument, order,
judgment or decree to which the Executive is a party or by which he is bound,
(b) as of the date hereof, the Executive is not a party to or

<PAGE>
                                      -8-

bound by any written employment agreement or any noncompetition agreement or
confidentiality agreement with any other Person and (c) upon the execution and
delivery of this Agreement by the Company, this Agreement will be the valid and
binding obligation of the Executive, enforceable in accordance with its terms.

                                   ARTICLE 12

                                  MISCELLANEOUS

     SECTION 12.01. Remedies. The Company will have all rights and remedies set
forth in this Agreement, all rights and remedies which the Company have been
granted at any time under any other agreement or contact and all of the rights
which the Company have under any law. The Company will be entitled to enforce
such rights specifically, without posting a bond or other security, to recover
damages by reason of any breach of any provision of this Agreement and to
exercise all other rights granted by law. There are currently no disciplinary or
grievance procedures in place, there is no collective agreement in place, and
there is no probationary period.

     SECTION 12.02. Consent to Amendments. The provisions of this Agreement may
be amended or waived only by a written agreement executed and delivered by the
Company and the Executive. No other course of dealing between the parties to
this Agreement or any delay in exercising any rights hereunder will operate as a
waiver of any rights of any such parties.

     SECTION 12.03. Successors and Assigns. All covenants and agreements
contained in this Agreement by or on behalf of any of the parties hereto will
bind and inure to the benefit of the respective successors and assigns of the
parties hereto whether so expressed or not, provided that the Executive may not
assign his rights or delegate his obligations under this Agreement without the
written consent of the Company.

     SECTION 12.04. Severability. Whenever possible, each provision of this
Agreement will be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is held to be prohibited
by or invalid under applicable law, such provision will be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder
of this Agreement.

     SECTION 12.05. Counterparts. This Agreement may be executed simultaneously
in two or more counterparts, any one of which need not contain the signatures of
more than one party, but all of which counterparts taken together will
constitute one and the same agreement.

     SECTION 12.06. Descriptive Headings. The descriptive headings of this
Agreement are inserted for convenience only and do not constitute a part of this
Agreement.

<PAGE>
                                      -9-

     SECTION 12.07. Notices. All notices, demands or other communications to be
given or delivered under or by reason of the provisions of this Agreement will
be in writing and will be deemed to have been given when delivered personally to
the recipient, two (2) business days after the date when sent to the recipient
by reputable express courier service (charges prepaid) or four (4) business days
after the date when mailed to the recipient by certified or registered mail,
return receipt requested and postage prepaid. Such notices, demands and other
communications will be sent to the Executive and to the Company at the addresses
set forth below.

     If to the Executive:  To the last address delivered to the Company by the
                           Executive in the manner set forth herein.

               Copies (which shall not constitute notice) of notices to the
               Executive shall also be sent to:

                    Greene Radovsky Maloney & Share LLP
                    Four Embarcadero Center, Suite 4000
                    San Francisco, California 94111

                    Attn:  Richard L. Greene, Esq.

     If to the Company:    Arch Capital Group Ltd,
                           Executive Offices
                           20 Horseneck Lane
                           Greenwich, CT 06830

                           Attn: General Counsel

               Copies (which shall not constitute notice) of notices to the
               Company shall also be sent to:

                           Cahill Gordon & Reindel
                           80 Pine Street
                           New York, NY 10005

                           Attn: Immanuel Kohn, Esq.

or to such other address or to the attention of such other person as the
recipient party has specified by prior written notice to the sending party.

<PAGE>
                                      -10-

     SECTION 12.08. Withholding. The Company may withhold from any amounts
payable under this Agreement such federal, state, local or foreign taxes as
shall be required to be withheld pursuant to any applicable law or regulation.

     SECTION 12.09. No Third Party Beneficiary. This Agreement will not confer
any rights or remedies upon any person other than the Company, the Executive and
their respective heirs, executors, successors and assigns.

     SECTION 12.10. Entire Agreement. This Agreement (including the documents
referred to herein) constitutes the entire agreement among the parties and
supersedes 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.

     SECTION 12.11. Construction. The language used in this Agreement will be
deemed to be the language chosen by the parties to express their mutual intent,
and no rule of strict construction will be applied against any party. Any
reference to any federal, state, local or foreign statute or law will be deemed
also to refer to all rules and regulations promulgated thereunder, unless the
context requires otherwise. The use of the word "including" in this Agreement
means "including without limitation" and is intended by the parties to be by way
of example rather than limitation.

     SECTION 12.12. Survival. Sections 6.01, 7.01, 8.01 and Articles 9 and 12
will survive and continue in full force in accordance with their terms
notwithstanding any termination of the Employment Period.

     SECTION 12.13. GOVERNING LAW. ALL QUESTIONS CONCERNING THE CONSTRUCTION,
VALIDITY AND INTERPRETATION OF THIS AGREEMENT WILL BE GOVERNED BY THE INTERNAL
LAW OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the date and year first above written.

                                       ARCH CAPITAL GROUP LTD.

                                       By: /s/ Louis T. Petrillo
                                          -------------------------------------
                                          Name:   Louis T. Petrillo
                                          Title:  Senior Vice President,
                                                  General Counsel and
                                                  Secretary

                                       /s/ John M. Pasquesi
                                       ----------------------------------------
                                       John M. Pasquesi

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