Document:

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                                                                    EXHIBIT 10.8

[LETTERHEAD OF MERCATOR SOFTWARE]

                                 August 16, 2001

Mr. Michael Wheeler
293 North Street
Ridgefield, CT  06877

Dear Michael:

      On behalf of Mercator Software, I am pleased to extend an offer of
employment to you as Senior Vice President Product Intensive Enterprises,
Worldwide. Your first day of employment will commence on or before October 8,
2001. Michael, I look forward to bringing you on board as a key member of our
executive leadership team. In addition to this worldwide role, you will be a key
member of Mercator's Operating Committee. Following are details of our offer to
you.

1. Position. You will start in a full-time position as Senior Vice President,
Product Intensive Enterprises, Worldwide reporting to me. By signing this
letter, you confirm to the Company that you are under no contractual or other
legal obligations that would prohibit you from entering employment with or
performing your duties for the Company.

2. Compensation and Employee Benefits. You will be paid a starting salary at the
rate of $250,000 annually, subject to an annual compensation review each year
beginning February 1, 2002, and payable in accordance with the Company's
standard payroll schedule. We will also offer you the opportunity to participate
in the Company's annual incentive bonus plan, under which you will be eligible
to earn, at par, a bonus of 100% of your base salary. The bonus payout is based
upon corporate and business unit performance and individual contribution in
meeting our objectives. The payout range is zero to 300%. Your 2001 bonus is
guaranteed to be no less than $200,000. It will be payable in the first quarter
of 2002, consistent with when other executives at this level are paid. As a
senior executive of the Company, you will be eligible to participate in the
company-sponsored benefits that the Company makes available to senior executives
(e.g., health insurance, dental insurance, etc.).

3. Options. You will be granted 300,000 options upon joining the company with an
exercise price equal to the fair market value on the date of grant. All of these
options will be subject to the attached vesting schedule.
<PAGE>

Mr. Michael Wheeler
August 16, 2001
Page 2

Upon a change of control of Mercator, Fifty (50%) percent of your outstanding
unvested stock options will vest and become immediately exercisable. A change of
control will be defined as the company being acquired and as a result it is no
longer publicly traded. The options that you acquire shall be subject to the
terms and conditions of the relevant stock option plan and stock option
agreement and other related agreements to be entered into by and between you and
the Company. In the event your employment is terminated by death or disability,
options to be vested within six (6) months of your death or disability will be
vested and be exercisable for the balance of their original term.

4. Sign-On Bonus. You will be given a sign-on bonus of $100,000 payable in two
equal installments, $50,000 on October 8th and $50,000 on November 15th

5. Vacation. You will be entitled to four weeks vacation, in addition to
scheduled company holidays.

6. Life Insurance. As an executive within the company, you will be entitled to
receive term life insurance in the amount of $500,000 payable by the Company.

7. Severance. If you are terminated for any reason other than for cause, you
will be entitled to twelve months' salary payable biweekly. In addition,
executive benefits for medical insurance and other executive perquisites will be
provided for six months.

If there is a change of control of the Company as defined in paragraph 3 herein,
within one year following a change of control of the Company, you may terminate
your employment with the Company if, during that one year period without your
written consent, there has occurred a significant diminution of, or assignment
to you of any duties inconsistent with your title, status, duties or
responsibilities as in effect as of the beginning of your employment with
Mercator. This right of termination can be exercised only if you give written
notice to the Company within thirty (30) days of the occurrence of the
significant diminution of, or assignment to you of any duties inconsistent with
your title, status, duties or responsibilities as in effect as of the beginning
of your employment with Mercator which you rely upon to terminate this
agreement. If you elect to terminate your employment pursuant to this provision,
upon such termination Mercator shall pay you twelve (12) months of base salary
in accordance with the Company's usual payroll practices.

8. Employment Relationship. The term of your employment with the Company is for
no specific period of time. Your employment with the Company will be "at will,"
meaning that either you or the Company may terminate your employment at any time
and for any reason, with or without cause with 30 days notice. This is the full
and complete agreement between you and the Company on this term. Although your
job duties, title, compensation and benefits, as well as the Company's personnel
policies and procedures, may change from time to time, the "at will" nature of
your employment may only be changed in an express written agreement signed by
you and the Company.
<PAGE>

Mr. Michael Wheeler
August 16, 2001
Page 3

9. Withholding Taxes. All amounts of compensation referred to in this letter are
subject to reduction by the Company to meet all applicable withholding and
payroll tax requirements.

10. Conditions of Employment. Upon joining Mercator, you will be required to
sign the enclosed Conditions of Employment agreement that includes
non-disclosure and non-compete clauses which set forth conditions relating to
the security and protection of the Company's trade secrets. In addition, you
will be required to comply with and periodically sign a certification of
compliance with Mercator's Insider Trading Policy.

11. Entire Agreement. This letter supersedes and replaces any prior
understandings or agreements, whether oral or written, between you and the
Company regarding the subject matter described in this letter.

      We hope that you find the foregoing terms acceptable. You may indicate
your agreement with these terms and accept this offer by signing and dating the
line provided below and returning the executed copy to the undersigned. The
terms and conditions of this offer will expire on September 15, 2001. As
required by law, your employment with the Company is also contingent upon your
providing legal proof of your identify and authorization to work in the United
States.

      I look forward to working with you and having you as a member of my
executive team.

      If you have any questions, please call me at (203) 563-1201.

                                           Very truly yours,
                                           MERCATOR SOFTWARE, INC.

                                           /s/ Roy C. King

                                           Roy C. King
                                           Chief Executive Officer and Chairman

      I have read and accept this employment offer:

      /s/ Michael Wheeler                              Date:
      --------------------------------------------          --------------------
      Signature of Michael Wheeler
<PAGE>

                          Attachment - Vesting Schedule

                       -----------------------------------
                       # of Options      Date of Vesting
                       -----------------------------------
                          75,000          Date of Grant
                       -----------------------------------
                          14,062             11/15/01
                       -----------------------------------
                          14,062              2/15/02
                       -----------------------------------
                          14,062              5/15/02
                       -----------------------------------
                          14,062              8/15/02
                       -----------------------------------
                          14,062             11/15/02
                       -----------------------------------
                          14,062              2/15/03
                       -----------------------------------
                          14,062              5/15/03
                       -----------------------------------
                          14,062              8/15/03
                       -----------------------------------
                          14,062             11/15/03
                       -----------------------------------
                          14,062              2/15/04
                       -----------------------------------
                          14,062              5/15/04
                       -----------------------------------
                          14,062              8/15/04
                       -----------------------------------
                          14,062             11/15/04
                       -----------------------------------
                          14,062              2/15/05
                       -----------------------------------
                          14,062              5/15/05
                       -----------------------------------
                          14,070              8/15/05
                       -----------------------------------<PAGE>

                                                                    EXHIBIT 10.9

[LETTERHEAD OF MERCATOR SOFTWARE]

                                      DRAFT
                (pending approval of the Compensation Committee)

September 13, 2001

Ms. Jill Donohoe
205 West Newton St., Apt. 2
Boston, MA 02116

Dear Jill:

      On behalf of Mercator Software, I am pleased to extend an offer of
employment to you as Senior Vice President, Global Alliances & Corporate
Development. Your responsibilities shall include the global alliances, corporate
development and business strategy relating to the transactional growth and
development opportunities for the Company on a worldwide basis. Your first day
of employment will commence on or before October 16, 2001. In addition to this
global role, you will be a key member of Mercator's Operating Committee.
Following are details of our offer to you.

1. Position. You will start in a full-time position as Senior Vice President,
Global Alliances and Corporate Development reporting to Roy King, Chairman &
CEO. By signing this letter, you confirm to the Company that you are under no
contractual or other legal obligations that would prohibit you from entering
employment with or performing your duties for the Company.

2. Compensation and Employee Benefits. You will be paid a starting salary at the
rate of $225,000 annually, subject to an annual compensation review each year
beginning February 1, 2002, and payable in accordance with the Company's
standard payroll schedule. We will also offer you the opportunity to participate
in the Company's annual incentive bonus plan, under which you will be eligible
to earn, at par, a bonus of 100% of your base salary. The bonus payout is based
upon corporate and business unit performance and individual contribution in
meeting our objectives. The payout range is zero to 300%. Your 2001 bonus is
guaranteed to be no less than 100% of the pro-rated at par amount. It will be
payable in January of following year, consistent with when other executives at
this level are paid. In addition, your 2002 bonus is guaranteed to be no less
than 50% of the at par amount. As a senior executive of the Company, your will
be eligible to participate in the company-sponsored benefits that the Company
makes available to senior executives (e.g., health insurance, dental insurance,
etc.)

3. Options. You will be granted 250,000 options upon joining the company with an
exercise price equal to the fair market value on the date of hire. Upon your
start date, 62,500 options will vest immediately, with the remainder vesting
quarterly over a four year period.
<PAGE>

Upon a change of control of Mercator, Fifty (50%) percent of your outstanding
unvested stock options will vest and become immediately exercisable. A change of
control will be defined as the Acquisition, merger, dissolution, liquidation,
consolidation or sale of all or substantially all of the assets of the company.
The options that you acquire shall be subject to the terms and conditions of the
relevant stock option plan and stock option agreement and other related
agreements to be entered into by and between you and the Company. In the event
your employment is terminated by death or disability, options to be vested
within (6) months of your death or disability will be vested and be exercisable
for the balance of their original term.

4. Sign-On Bonus. You will be given a sign-on bonus of $100,000 payable in two
equal installments, $50,000 within the first month of employment and $50,000 by
the end of January, 2002.

5. Vacation. You will be entitled to four weeks vacation, in addition to
scheduled company holidays.

6. Life Insurance. As an executive within the company, you will be entitled to
receive term life insurance as offered in our employee benefit package.

7. Severance. If you are terminated for any reason other than for cause, you
will be entitled to twelve months' salary payable biweekly. In addition,
executive benefits for medical insurance and other executive perquisites will be
provided for twelve months or until available from another employer, whichever
occurs first. Cause means: (i) your conviction of a felony; (ii) your willful
neglect of your obligations and duties hereunder, which neglect you fail to
remedy within ten days after written demand from Mercator; or (iii) you
willfully engage in conduct demonstrably and materially injurious to Mercator,
momentarily or otherwise, and fail to remedy such conduct within ten days after
receipt of Notice thereof from Mercator. For the purpose of this clause, no act,
or failure to act, on your part shall be deemed willful unless done, or omitted
to be done, by you in good faith and without reasonable belief that your action
or omission was in, or not opposed to, the best interests of Mercator.

You shall have the right to terminate your employment under this agreement by
Notice within thirty days of the concurrence of Good Reason. "Good Reason"
means, without your consent, the occurrence of the following: (i) a significant
diminution of, or the assignment to you of any duties inconsistent with your
title, status, duties or responsibilities specified in the introductory
paragraph hereof; (ii) a reduction by Mercator in your annual base salary or
target bonus; (iii) the failure of Mercator to obtain the written assumption of
this Agreement by any successor within thirty days after a merger,
consolidation, sale or a Change of Control as defined above.

If your employment is terminated for "good reason" as defined in the paragraph
above, or there is a change of control of the Company as defined in paragraph 3
herein, and within one year following this change of control, your are
constructively terminated as defined in this agreement, Mercator, or its
successor, shall pay you twelve (12) months of base salary in accordance with
the Company's usual payroll practices. In addition, executive benefits for
medical insurance and other executive perquisites will be provided for twelve
months or until available from another employer, whichever occurs first.
<PAGE>

8. Employment Relationship. The term of your employment with the Company is for
no specific period of time. Your employment with the Company will be "at will,"
meaning that either you or the Company may terminate your employment at any time
and for any reason, with or without cause with 30 days notice. This is the full
and complete agreement between you and the Company on this term. Although your
job duties, title, compensation and benefits, as well as the Company's personnel
policies and procedures, may change from time to time, the "at will" nature of
your employment may only be changed in an express written agreement signed by
you and the Company.

9. Withholding Taxes. All amounts of compensation referred to in this letter are
subject to reduction by the Company to meet all applicable withholding and
payroll tax requirements.

10. ConditIons of Employment. Upon joining Mercator, you will be required to
sign the enclosed Conditions of Employment agreement that includes
non-disclosure and non-compete clauses which set forth conditions relating to
the security and protection of the Company's trade secrets. In addition, you
will be required to comply with and periodically sign a certification of
compliance with Mercator's Insider Trading Policy.

11. Entire Agreement. This letter supercedes and replaces any prior
understandings or agreements, whether oral or written, between you and the
Company regarding the subject matter described in this letter.

      We hope that you find the foregoing terms acceptable. You may indicate
your agreement with these terms and accept this offer by signing and dating the
line provided below and returning the executed copy to the undersigned. The
terms and conditions of this offer will expire on September 12, 2001. As
required by law, your employment with the Company is also contingent upon your
providing legal proof of your identity and authorization to work in the United
States.

      I look forward to working with you and having you as a member of my
executive team.

      If you have any questions, please call me at (203) 563-1358.

                                              Very truly yours,

                                              MERCATOR SOFTWARE, INC.

                                              /s/ Greg O'Brien

                                              Greg O'Brien
                                              SVP Human Resources

I have read and accept this employment offer:

/s/ Jill Donohoe                                     Date: September 17, 2001
------------------------------------                       ---------------------
Signature of Jill Donohoe

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