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                                                                    Exhibit 10.1




January 26, 2004


Mr. Michael Mitsock
22 Steeple Chase Circle
Westford, MA 01866

RE:  SEPARATION AGREEMENT AND RELEASE
     --------------------------------

Dear Michael:

         This Agreement will confirm our mutual understanding with respect to
the arrangements we have made in connection with your resignation as an officer
of Lightbridge, Inc. ("Lightbridge" or the "Company") and the termination of
your employment.

         1.       RESIGNATION AS OFFICER; TERMINATION OF EMPLOYMENT.

         You hereby agree to resign as an officer of the Company effective
January 30, 2004. Your status as an employee and all employee benefits will also
be terminated effective January 30, 2004.

         2.       TRANSITION PERIOD.

         You will continue to perform in a professional manner your current
duties through the date of termination of your employment.

         3.       SALARY CONTINUATION PERIOD.

         If you sign this letter agreement and release (and do not timely revoke
your agreement as set forth in Paragraph 16), then for (i) a period from January
30, 2004, until December 31, 2004 (the "Salary Continuation Period"), your base
salary (less required withholdings and deductions for taxes) will continue to be
paid on the normal payroll cycle; provided, however, that if you commence
employment with a new employer, or if you engage in any paid consulting
activities during the Salary Continuation Period, then the income generated by
such employment or consulting work shall be deducted from the salary
continuation payments during the remainder of the Salary Continuation Period. In
addition, if you sign this letter agreement and release (and do not timely
revoke your agreement as set forth in Paragraph 16), you will receive a lump sum
severance payment of $40,000 in the payroll cycle following the expiration of
your revocation period. You agree that you will promptly notify the Company if
you commence new employment or engage in any paid consulting activities at any
time prior to December 31, 2004. Any paid consulting work that generates income
of an average of $ $2,400 per week or less


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during the Salary Continuation period shall not be subject to the notice
requirement or deduction as provided in this Paragraph 3. You agree that the
payments described in this letter agreement are above and beyond and in full
satisfaction of any payments or compensation otherwise owed to you under the
terms of your employment with Lightbridge or as required by law.

         4.       ACCRUED PAID VACATION AND TIME OFF.

         All accrued but unused vacation time earned through January 30, 2004
will be paid on that date.

         5.       VOICEMAIL, COMPUTER, AND RETURN OF COMPANY PROPERTY.

         Use of voicemail will be provided through the Salary Continuation
Period, and network access will also be provided through January 30, 2004. You
will return all other property, equipment and materials of the Company to the
Company promptly after January 30, 2004.

         6.       COBRA GROUP INSURANCE COVERAGE.

         As of January 30, 2004, you and your family members will be eligible to
continue your group health insurance coverage in accordance with the federal
COBRA law. Information about your rights under COBRA and forms for electing
continuation coverage will be provided to you by a separate letter on or about
January 30, 2004. If you or any of your family members elect to continue this
coverage, you and the Company will continue to pay the same share of the monthly
premium (subject to any carrier rate adjustments) as if you were still employed
throughout the Salary Continuation Period.

         7.       OUTPLACEMENT ASSISTANCE.

         To assist you in regard to outplacement, the Company will pay up to
$20,000.00 for outplacement services which are provided to you by a
Company-approved agency prior to the earlier of December 31, 2004 or the date
you commence new employment or paid consulting activities. Appropriate invoices
for outplacement services should be submitted promptly to the Company.

         8.       CONFIDENTIAL INFORMATION.

         You understand and agree that the Company's confidential information
belongs exclusively to the Company, and that the confidential information of the
Company's customers or of other organizations with which the Company does
business remains their exclusive property. You agree that you will not use or
disclose any such confidential information, whether for your benefit or for the
benefit of another, and that you will hold and treat such information as
confidential information, unless you have specific prior written authorization
from the Company to disclose it. Incorporated herein is a confidentiality and
non-competition agreement that was signed by you on or about December 10, 2001
and which remains in effect according to its terms.



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         9.       NON-DISPARAGEMENT.

         You agree that you will not make any disparaging statements about the
Company or any of its subsidiaries, affiliates, officers, directors or
employees, or its business or prospects.

         10.      RELEASE AND WAIVER.

         This letter agreement and the agreement referenced in paragraph 8
contain the entire agreement between you and the Company (and supersede any
prior communications, written or oral) with respect to your employment by the
Company and the termination of such employment, and with respect to all matters
pertaining thereto. This letter agreement shall be in complete and final
settlement of any and all causes of action or claims that you have had, now have
or may now have, in any way related to or arising out of or in connection with
such employment and/or its termination or pursuant to any federal, state or
local employment laws, regulations, executive orders or other requirements,
including without limitation Massachusetts General Laws c. 151B ("Unlawful
Discrimination"), Title VII of the Civil Rights Act of 1964, and the Age
Discrimination in Employment Act of 1967. In consideration of the pay and
benefits that you will receive under this letter agreement, you hereby release,
waive and discharge any and all such causes of action or claims (including
without limitation claims for attorney's fees and costs) against the Company,
its parent, subsidiary and affiliated organizations, and their respective past,
present and future directors, officers, agents, employees, successors and
assigns, and you hereby agree that, to the extent permitted by law, neither you
nor any of your heirs or personal representatives will ever assert in any forum
any such cause of action or claim. THIS MEANS YOU MAY NOT SUE LIGHTBRIDGE FOR
ANY CURRENT OR PRIOR CLAIMS ARISING OUT OF YOUR EMPLOYMENT WITH OR TERMINATION
FROM LIGHTBRIDGE.

         You further agree that you will not bring any lawsuits, file any
charges or complaints, or make any other demands against Lightbridge, or further
pursue any lawsuits, cases or complaints already brought, based on your
employment by Lightbridge. You further represent that you have no current or
pending actions, charges, lawsuits, or complaints against Lightbridge. You
acknowledge and understand that the consideration provided for in this letter
agreement constitutes a full, fair and complete payment for the release and
waiver of all of your possible claims. You acknowledge and understand that
Lightbridge does not owe you anything for your employment in addition to the
consideration set forth in this letter agreement.



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         11.      COMPLIANCE.

         All payments to be made to you in accordance with the terms of this
letter agreement, and the performance by the Company of its other obligations
hereunder shall be conditioned on your compliance with your obligations
hereunder.

         12.      GOVERNING LAW.

         The parties intend this letter agreement to be governed by the
substantive laws of The Commonwealth of Massachusetts.

         13.      CHALLENGE TO VALIDITY OF LETTER AGREEMENT.

         Lightbridge and you shall never bring a proceeding to challenge the
validity of this letter agreement. If you do, you will first be required to pay
back to Lightbridge any monies received from Lightbridge under paragraph 3 of
this Agreement.

         14.      ENFORCEMENT.

         In the event that you violate any of the terms of paragraphs 8 or 9 of
this letter agreement, then any remaining salary payments described in paragraph
3 shall cease. In the event that you violate paragraphs 8 or 9, in addition to
any money damages that Lightbridge may be owed, Lightbridge shall also be
entitled to seek and obtain an order enjoining any future violations.

         15.      CONSIDERATION PERIOD.

         In signing this letter agreement, you acknowledge that you understand
its provisions, that your agreement is knowing and voluntary, that you have been
afforded a full and reasonable opportunity of at least 21 days to consider its
terms and to consult with or seek advice from an attorney or any other person of
your choosing, and that you have been advised by the Company to consult with an
attorney prior to executing this letter agreement and the release and waiver of
claims in paragraph 10.

         16.      REVOCATION PERIOD.

         For a period of seven (7) days following your execution of this letter
agreement and release, you may revoke your agreement, and this letter agreement
and release shall not become effective or enforceable until this seven (7) day
revocation period has expired. No payments provided for by this letter agreement
will be made until after this seven-day period has expired without your revoking
your agreement. You understand and acknowledge that the terms of your employment
and the Company's usual severance policies or practices would have provided you
less severance pay and benefits than those provided to you under this agreement.



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         17.      STOCK OPTIONS.

         You are currently the holder of certain options to purchase shares of
the Company's common stock, $.01 par value per share. The Company agrees that,
notwithstanding the terms of the option agreements and related plans, such
options shall remain exercisable in accordance with their terms until April 29,
2004. You understand that, as a result of the foregoing agreements, your options
will no longer qualify for incentive stock option treatment under the Internal
Revenue Code.


         If you agree to the foregoing, would you kindly sign and return the
enclosed copy of this letter, whereupon this letter and such copy will
constitute a binding agreement between you and the Company on the basis set
forth above.

Very truly yours,


Pamela D.A. Reeve
President and CEO


/s/Pamela D.A. Reeve                         2/9/04
------------------------------               Date



AGREED:  /s/ Michael Mitsock                 2/7/04
         Employee's Signature                Date signed



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