Document:

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                                                                   Exhibit 10.36

[EXEGENICS LOGO]

                                                                  April 30, 2003

Joan Gillett
19 Oak Circle
Lake Dallas, TX 75065

Dear Joan:

Re:  Termination of your position with EXEGENICS, Inc.

Dear Joan:

Your employment with EXEGENICS, Inc. (the "Company") will terminate effective as
of April 30, 2003. This letter will confirm our agreement (the "Agreement")
concerning the termination of your employment from the Company.

1. In consideration for your execution of this Agreement, the Company has
   agreed to pay you the gross sum of $79,000 less applicable payroll taxes. The
   Company shall make this payment to you on May 15, 2003, following your
   execution of this release. In addition, the Company has agreed to pay the
   costs of premiums associated with continuing your health insurance for a
   period of six months commencing with the month in which your termination is
   effective. You will receive COBRA information under separate cover. You
   understand that you will not be eligible for any other employment benefits,
   such as bonuses, pension, profit sharing or any other benefit plans, and you
   will be responsible for all health insurance premiums subsequent to the
   period set forth in this paragraph.

2. You acknowledge that the payments and arrangements made under this agreement
   are special payments and arrangements to which you are not otherwise entitled
   and which are not normally provided by the Company, but are being given as
   special consideration for this Agreement. You may be entitled to unemployment
   benefits, and you should contact the local unemployment agency for more
   information on making application for such benefits.

3. You agree that the Company does not owe you any wages, benefits,
   commissions, bonuses, vacation or severance payments, buyouts or any other
   payments of any kind or nature whatsoever except as specifically provided in
   this Agreement. You have been paid all due and accrued wages and vacation and
   sick pay. The check for your accrued vacation and sick pay (which reflects a
   gross sum of $15,192, less applicable payroll taxes) will be to you on May
   15, 2003.
<PAGE>
4. The above does not modify or create any new retirement or welfare benefit
   rights beyond those you may have had, if any, prior to the date of this
   Agreement, nor change any applicable employee benefit plan provisions or
   summary plan descriptions. Information concerning the disposition of the
   employee benefits to which you are entitled will be provided to you by the
   appropriate Plan Administrator. Except for the options granted to you on
   December 9, 2002 (which have a termination date of December 8, 2004), you
   will have 150 days from May 15, 2003 within which to exercise your vested
   stock options that are vested as of your termination date.

5. Each of us (in the Company's case, any of the Company's current officers or
   directors) represents that we have not and agree that we will not in any way
   disparage the other party or will either of us make or solicit any comments,
   statements, or the like to the media or others that may be considered
   derogatory or detrimental to the good name or business reputation of any of
   the foregoing parties or entities. You understand that it is the Company's
   policy to provide only dates of employment, position held and salary earned
   in response to any requests for references from future employers or others.
   This Agreement shall constitute the statement of the reason for your
   termination pursuant to Texas law. You have been terminated as a result of
   the elimination of your position.

6. You and the Company agree that neither the existence nor the terms of this
   Agreement will be released for public announcement or otherwise made public
   or made known to any person other than your spouse, immediate family,
   accountant and attorney (all of whom shall be bound by this paragraph), the
   Company's accountants and attorneys, and to the extent necessary to secure
   future employment, an employer.

7. You acknowledge that in your position you may have been privy to confidential
   insider information or trade secrets. Such information includes but is not
   limited to details of past and future business transactions, historical and
   projected financial results and strategic plans. You acknowledge and agree
   that such information belongs exclusively to the Company and may not be used
   or disclosed by you. Additionally, if you have executed any nondisclosure or
   confidentiality agreements, you shall continue to be bound by such
   agreements. You agree to remain bound by the Patent and Confidentiality
   Agreement you signed on October 16, 2000.

8. In consideration for the payment described above, you agree that you and
   your heirs, legal representatives and assigns hereby waive, release and
   forever discharge, and will not file or permit to be filed against the
   Company and its shareholders, directors, officers, agents and employees, its
   parent, subsidiaries, divisions and affiliates and directors, officers,
   agents, employees and principals thereof, and its successors and assigns
   (separately and collectively,
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     the "Releasees") any and all claims, counterclaims, demands, debts,
     actions, causes of action, suits or liabilities of any nature whatsoever,
     whether known or unknown, which you ever had, now have or hereafter can,
     shall or may have against Releasees, for, upon, or by reason of any matter,
     cause or thing whatsoever arising from the beginning of the world to the
     date of this Release, including, but not limited to, any statutory or
     common law claims relating to your employment, any claim to unpaid wages,
     equity compensation, promissory notes, expense reimbursements or benefits,
     and any other claims that were or could have been asserted arising out of
     your employment.

9.   You agree that among the rights you knowingly and voluntarily waive and
     release are your right to bring any complaints against Releasees arising on
     or before the date of your signing of this Agreement under Title VII of the
     Civil Rights Act, the Federal Age Discrimination in Employment Act, the
     Employee Retirement Income Security, Act the Americans with Disabilities
     Act, and any other federal, state or local law regulating employment or
     dealing with discrimination on any basis, including but not limited to sex,
     sexual harassment, age, race, national origin, sexual orientation, veteran
     status, marital status, religion, and physical and/or mental disability, or
     any statutory or common law under which you would be entitled to seek the
     recovery of attorneys' fees arising out of any such legal violation. You
     also agree that you are waiving and releasing all rights to bring any
     complaints or lawsuits against the Releasees alleging unpaid wages, breach
     of contract, defamation, wrongful termination, infliction of emotional
     distress or any other possible claim arising on or before the date of your
     signing of this Agreement.

10.  Notwithstanding the foregoing, nothing in this Agreement should be
     construed to prevent you from challenging the validity of this release
     under the Federal age or other discrimination laws (the "Federal
     Discrimination Laws") or from filing a charge or complaint of age or other
     employment-related discrimination with the Equal Employment Opportunity
     Commission ("EEOC") or applicable state agency, or from participating in
     any investigation or proceeding conducted by the EEOC or applicable state
     agency. Further, nothing in this release or Agreement shall be deemed to
     limit the Company's right to seek immediate dismissal of such charge or
     complaint on the basis that your signing of this Agreement constitutes a
     full release of any individual rights under the Federal Discrimination
     Laws, or to seek restitution to the extent permitted by law of the
     economic benefits provided to you under this Agreement in the event that
     you successfully challenge the validity of this release and prevail in any
     claim under the Federal Discrimination Laws.

11.  You acknowledge that you have been advised to consult with an attorney
     regarding this Agreement and that you have been given an opportunity to
     discuss this Agreement with an attorney. You also acknowledge that you have
     been given at least twenty-one (21) calendar

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     days from receipt of this Agreement to consider and decide whether or not
     to enter into this Agreement. You further acknowledge that you have had
     reasonable and sufficient time to review this Agreement, discuss it with an
     attorney, and are voluntarily signing it without duress or coercion on the
     date indicated below. You acknowledge that you have read this Agreement in
     its entirety and that you understand its meaning and effect. You understand
     that the payments made pursuant to this Agreement are special payments, and
     that you would otherwise not be entitled to receive such payments absent
     your execution of this Agreement.

12.  This Agreement will not become effective or enforceable until the eighth
     calendar day after you have signed it (such eighth calendar day is the
     "Effective Date"). You understand that if you wish to revoke this Agreement
     for any reason or for no reason at all, you may do so during the first
     seven(7) calendar days following your signing it by delivering written
     notice of such revocation to the Company prior to 11:59 p.m. on the seventh
     day following your signature. You also understand that if no such notice of
     revocation is received by the date and time indicated, this Agreement shall
     become effective and enforceable as of 12:00 a.m. on the eighth day
     following your signing of it.

13.  This Agreement constitutes our complete agreement and may not be changed
     except by a writing signed by you and the Company. This agreement shall be
     governed by and construed under the laws of the State of Texas, without
     regard to its conflicts of laws.

14.  You acknowledge and agree that you have entered into this Agreement after
     having had the opportunity to consult the advisor of your choice, including
     an attorney, with such consultation as you deem appropriate and you have a
     full understanding of your rights and of the effect of executing this
     Agreement, namely that you waive any and all claims, demands or causes of
     action against the Releases regarding your employment or termination of
     employment, including the waiver of claims and covenant not to sue set
     forth above. You further acknowledge that your execution of this Agreement
     is made voluntarily and with full understanding of its consequences and has
     not been coerced in any way.

     If the above correctly reflects your understanding of the agreement
between you and the Company, kindly sign this letter below where indicated and
return it to me.
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Very truly yours,

EXEGENICS, Inc.

By:  /s/ Ronald L. Goode
     -------------------
Its: President and CEO

ACCEPTED AND AGREED:

By:  /s/ Joan Gillett
     -------------------
     Joan Gillett

Date executed: 04/30/03<PAGE>
                                                                   Exhibit 10.37

                                [EXEGENICS LOGO]

January 10, 2003

Dr. Arthur P. Bollon
13227 Cedar Lane
Dallas, TX 75234

              Re:  Separation from Employment with eXegenics, Inc.

Dear Dr. Bollon:

     The purpose of this letter agreement (the "Agreement") is to set forth the
terms of your separation from employment with eXegenics, Inc. (the "Company").
Payment of the Separation Pay and Benefits described below is contingent on your
agreement to and compliance with the terms and conditions of this Agreement, as
set forth below.

     1.   SEPARATION OF EMPLOYMENT. Your separation of employment with the
          Company is effective January 10, 2003 (the "Separation Date"). You
          acknowledge that from and after the Separation Date, you shall have no
          authority to, and shall not, represent yourself as an employee or
          agent of the Company.

     2.   SEPARATION PAY, BENEFITS AND STOCK OPTIONS. In exchange for the mutual
          promises set forth in this Agreement, and following your execution of
          this Agreement, the Company agrees to provide you with the following
          Separation Pay and Benefits:

          (a)  The Company shall provide you with a lump sum payment of
               $268,000, which includes payment of your current salary and car
               allowance at your regular rate of pay through November 30, 2003.
               This payment, less applicable taxes and withholdings (the
               "Separation Pay") will be paid to you by January 14, 2003.

          (b)  You shall be entitled to continuation of your participation in
               the Company's medical insurance coverage plan through November
               30, 2003, to the same extent that such coverage is extended to
               current Company employees, and on the same terms as such
               insurance coverage is presently extended to you. You will have
               the right, subject to all the requirements of COBRA, to continue
               your medical and dental insurance thereafter pursuant to the
               provisions of the Consolidated Omnibus Budget Reconciliation Act
               of 1985.

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         (c)  You shall receive payment for your accrued but untaken vacation
              days as of your Separation Date in the gross amount of $19.230,
              less applicable taxes and withholdings, which is payment in full
              for 20 days.

         (d)  The Company has agreed that all of your unvested options will
              vest as of your Separation Date, and the term of exercise for all
              such options will be extended to three years from your Separation
              Date, except for the options that will expire prior to December
              31, 2005 as a result of the 10-year exercise period limitation. A
              schedule of your outstanding options is attached hereto.

     You acknowledge and agree that the Separation Pay, Benefits and agreement
regarding options are not otherwise due or owing to you under any the Company
employment agreement (oral or written) or the Company policy or practice and
that the Company owes you no other wages, payments, money or benefits other
than specially provided for in this Agreement.

    3.   OTHER AGREEMENTS/SURVIVAL OF OTHER AGREEMENTS.

         (A)  You have agreed that, at the time you execute this Agreement, you
              shall resign as a member of the Board of Directors of the
              Company, effective December 31, 2002. You will submit such
              resignation in writing to the Board.

         (B)  The Company has agreed that you may utilize your office at the
              Company for a period of six months commencing on the Separation
              Date. You will have limited access to the Company computer
              network; thus, you will need to make arrangements for an Internet
              email address. You agree that you will not hold yourself out as
              affiliated with the Company during the time you have use of the
              Company office. Your use of the Company office is at your sole
              risk and liability and shall not be covered under the Company
              insurance policy in any respect.

         (C)  You expressly acknowledge and agree that all information relating
              in any way to this Agreement, including the terms and amount of
              financial consideration provided for in this Agreement, shall be
              held confidential by you and shall not be publicized or disclosed
              to any person (other than an immediate family member, legal
              counsel or financial advisor, provided that any such individual
              to whom disclosure is made agrees to be bound by these
              confidentiality obligations), business entity or government
              agency (except as mandated by state or federal law), except that
              nothing in this paragraph shall prohibit you from participating
              in an investigation with a state or federal agency if requested
              by the agency to do so.

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          (D)  You further agree that you will not make any statements
               that are professionally or personally disparaging about, or
               adverse to, the interests of the Company (including its officers,
               directors, employees and consultants) including, but not limited
               to, any statements that disparage any person, product, service,
               finances, financial condition, capability or any other aspect of
               the business of the Company, and that you will not engage in any
               conduct which could reasonably be expected to harm professionally
               or personally the reputation of the Company (including its
               officers, directors, employees and consultants).

          (E)  It is the Company's policy to provide no information regarding
               its employees to third parties, and consistent with this policy,
               in the event the Company is contacted by a prospective employer,
               the Company will only provide information relating to your
               position, title, period of employment and salary.

          (F)  You and the Company acknowledge that your Employment Agreement
               with the Company dated March 1, 1992 is hereby terminated in all
               respects except that paragraphs 6, 7, and 8 shall survive in all
               respects. Notwithstanding the foregoing, the Company understands
               that you may make a proposal to the Company for the purchase of
               certain Company assets. The Company agrees that such a proposal
               shall not be deemed to violate any of your surviving obligations
               under the Employment Agreement.

     4.        YOUR RELEASE OF CLAIMS. You hereby agree and acknowledge that by
               signing this Agreement and accepting the Separation Pay and
               Benefits discussed in Section 2, and for other good and valuable
               consideration, you are waiving your right to assert any and all
               forms of legal Claims against the Company(1/) of any kind
               whatsoever, whether known or unknown, arising from the beginning
               of time through the date you execute this Agreement (the
               "Execution Date"). Your waiver and release herein is intended to
               bar any form of legal claim, charge, complaint or any other form
               of action (jointly referred to as "Claims") against the Company
               seeking any form of relief including, without limitation,
               equitable relief (whether declaratory, injunctive or otherwise),
               the recovery of any damages, or any other form of monetary
               recovery whatsoever (including, without limitation, back pay,
               front pay, compensatory damages, emotional distress damages,
               punitive damages, attorneys fees and any other costs) against the
               Company, for any alleged action, inaction or circumstance
               existing or arising through the Execution Date.

____________________

1/    For purposes of this paragraph, the Company includes the Company, its
predecessors and successors, and any of its divisions, affiliates (which means
all persons and entities directly or indirectly controlling, controlled by or
under common control with the Company), subsidiaries and all other related
entities, and its and their directors, officers, employees, trustees, agents,
successors and assigns.

                                       3

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     Without limiting the foregoing general waiver and release, you specifically
waive and release the Company from any Claim arising from or related to your
employment relationship with the Company or the termination thereof, including,
without limitation:

     **   Claims under any state or federal discrimination, fair employment
          practices or other employment related statute, regulation or executive
          order prohibiting discrimination or harassment based upon any
          protected status including, without limitation, race, national origin,
          age, gender, marital status, disability, veteran status or sexual
          orientation.

     **   Claims under any other state or federal employment-related statute,
          regulation or executive order relating to wages, hours or any other
          terms and conditions of employment.

     **   Claims under the Federal Age Discrimination in Employment Act.

     **   Claims under any state or federal common law theory including, without
          limitation, wrongful discharge, breach or express or implied contract,
          promissory estoppel, unjust enrichment, breach of a covenant of good
          faith and fair dealing, violation of public policy, defamation,
          interference with contractual relations, intentional or negligent
          infliction of emotional distress, invasion of privacy,
          misrepresentation, deceit, fraud or negligence.

     **   Any other Claim arising under state or federal law, including any
          statutory or common law entitlement to attorneys' fees or costs.

     Notwithstanding the foregoing, this section does not release the Company
from any obligation expressly set forth in this Agreement. You acknowledge and
agree that, but for providing this waiver and release, you would not be
receiving the economic benefits being provided to you under the terms of this
Agreement.

     IT IS THE COMPANY'S DESIRE AND INTENT TO MAKE CERTAIN THAT YOU FULLY
UNDERSTAND THE PROVISIONS AND EFFECTS OF THIS AGREEMENT. TO THAT END, YOU HAVE
BEEN ENCOURAGED AND GIVEN THE OPPORTUNITY TO CONSULT WITH LEGAL COUNSEL FOR THE
PURPOSE OF REVIEWING THE TERMS OF THIS AGREEMENT.

     ALSO, CONSISTENT WITH THE PROVISIONS OF CERTAIN DISCRIMINATION LAWS,
NOTHING IN THIS RELEASE SHALL BE DEEMED TO PROHIBIT YOU FROM CHALLENGING THE
VALIDITY OF THIS RELEASE UNDER APPLICABLE DISCRIMINATION LAWS (THE
''DISCRIMINATION LAWS'') OR FROM FILING A CHARGE OR COMPLAINT OF
EMPLOYMENT-RELATED DISCRIMINATION WITH THE EQUAL EMPLOYMENT OPPORTUNITY
COMMISSION (''EEOC'') OR APPLICABLE STATE AGENCY, OR FROM PARTICIPATING IN ANY
INVESTIGATION OR PROCEEDING CONDUCTED BY THE EEOC. FURTHER, NOTHING IN THIS
RELEASE OR AGREEMENT SHALL BE DEEMED TO LIMIT THE COMPANY'S RIGHT TO SEEK
IMMEDIATE DISMISSAL OF SUCH CHARGE OR COMPLAINT ON THE BASIS THAT YOUR SIGNING
OF THIS AGREEMENT CONSTITUTES A FULL

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RELEASE OF ANY INDIVIDUAL RIGHTS UNDER THE DISCRIMINATION LAWS, OR TO SEEK
RESTITUTION TO THE EXTENT PERMITTED BY LAW OF THE ECONOMIC BENEFITS PROVIDED TO
YOU UNDER THIS AGREEMENT IN THE EVENT THAT YOU SUCCESSFULLY CHALLENGE THE
VALIDITY OF THIS RELEASE AND PREVAIL IN ANY CLAIM UNDER THE DISCRIMINATION LAWS.

     5.        MATTERS RELATING TO YOUR RELEASE OF CLAIMS.

     (a)       You acknowledge that you have been advised to consult
               with an attorney regarding this Agreement and that  you have been
               given an opportunity to discuss this Agreement with an attorney.
               You also acknowledge that you have been given at least twenty-one
               (21) calendar days from receipt of this Agreement to consider and
               decide whether or not to enter into this Agreement. You further
               acknowledge that you have had reasonable and sufficient time to
               review this Agreement, discuss it with an attorney, and are
               voluntarily signing it without duress or coercion on the date
               indicated below. You acknowledge that you have read this
               Agreement in its entirety and understand its meaning and effect.

     (b)       This Agreement will not become effective or enforceable until
               the eighth calendar day after you have signed it (such eighth
               calendar day is the "Effective Date"). You understand that if you
               wish to revoke this Agreement for any reason or for no reason at
               all, you may do so during the first seven (7) calendar days
               following your signing it by delivering written notice of such
               revocation to WaLisa M. Davenport, Director HR & Administration
               for the Company, at 2110 Research Row, Dallas, Texas 75235 or by
               telecopying such written notice to Ms. Davenport at (214)
               353-0294. You also understand that if no such notice of
               revocation is received by the date and time indicated, this
               Agreement shall become effective and enforceable as of the eighth
               day following your signing it.

     6.        ENTIRE AGREEMENT/MODIFICATION/WAIVER/CHOICE OF
               LAW/ENFORCEABILITY. You acknowledge and agree that, with the
               exception of the terms of Employment Agreement that are specific
               above, and the terms of any stock option agreements, this
               Agreement supersedes any and all prior or contemporaneous oral
               and/or written agreements between you and the Company, and sets
               forth the entire agreement between you and the Company. No
               variations or modifications hereof shall be deemed valid unless
               reduced to writing and signed by the parties hereto. The failure
               of the Company to seek enforcement of any provision of this
               Agreement in any instance or for any period of time shall not be
               construed as a waiver of such provision or of the Company's right
               to seek enforcement of such provision in the future. This
               Agreement shall be governed by and construed in accordance with
               the laws of Texas, without giving effect to conflict of law
               principles. You agree that any action, demand, claim or
               counterclaim relating to the terms and provisions of this
               Agreement, or to its breach, shall be commenced in Texas in a
               court of competent jurisdiction, and you further acknowledge that
               venue for such actions shall lie exclusively in Texas and that
               material witnesses

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<PAGE>

          and documents would be located in Texas. Both parties hereby waive and
          renounce in advance any right to a trial by jury in connection with
          such legal action. The provisions of this Agreement are severable, and
          if for any reason any part hereof shall be found to be unenforceable,
          the remaining provisions shall be enforced in full.

     By executing this Agreement, you are acknowledging that you have been
afforded sufficient time to understand the terms and effects of this Agreement,
that your agreements and obligations hereunder are made voluntarily, knowingly
and without duress, and that neither the Company nor its agents or
representatives have made any representations inconsistent with the provisions
of this Agreement.

                                        eXegenics, Inc.

                                        By:  RONALD L. GOODE
                                             -----------------------------
                                             Dr. Ronald L. Goode
                                        Its: President & CEO

                                        Dated: 1/10/03
                                               ---------------------------

Confirmed, Agreed and Acknowledged:

ARTHUR P. BOLLON
------------------------------------
Dr. Arthur P. Bollon

Date Executed:   1-10-03
               ---------------------

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