Document:

Exhibit 10.12

                    AMENDMENT NUMBER ONE DATED AUGUST 7, 2003

                                       TO
                              CONSULTING AGREEMENT
                       BETWEEN HEALTH SCIENCES GROUP, INC,
                                       AND
                          SPENCER TRASK VENTURES, INC.
                            DATED AS OF JULY 7, 2003

The following is added at the end of numbered paragraph 1:

Consultant will also, for a two-year period commencing  August 7, 2004,  consult
with and advise  the  Company  with  respect to  financial  planning,  corporate
organization and structure,  financial  matters in connection with the operation
of the business of the Company,  private and public  equity and debt  financing,
acquisitions,  mergers and other similar business  combinations,  management and
directors, and the Company's overall progress, needs and financial condition.

4 new numbered paragraph, 4 (c), is added as follows:

         4(c)  As  compensation  for  Consultant's   agreement  to  perform  the
consultation and advisory services described in the last sentence of paragraph 1
above, as amended by this Amendment  Number One to this  Agreement,  the Company
will, no later than August 17, 2003,  issue 500,000 shares  (450,000  additional
shares to the  previously  agreed upon 50,000 shares) of its common stock to the
Consultant or its designees (the  "Consulting  Shares").  The Consulting  Shares
shall be  registered  on customary  terms by the Company with the SEC as part of
the Company's next filing of a  registration  statement for resale of any of its
shares of common stock, such registration to be at Company expense except to the
extent otherwise customary.  However, the Consulting Shares will be subject to a
"lock-up"  prohibiting  sales of any of the Consulting Shares until the earliest
of 1)  August  7,  2004;  2) the date the  average  closing  and  price  for the
Company's common stock has been $3.00 or more for ten (10)  consecutive  trading
days. The $3.00 trigger price shall be adjusted  proportionally  as follows:  in
the event of a stock split the price shall be decreased proportionately;  in the
event of a reverse split,  the price shall be increased  proportionately;  or 3)
two months after the date the Company's  shares of common stock are first traded
on the American Stock Exchange or the NASDAQ SmallCap Market; provided, however,
that no  more  than  25% of such  Consulting  Shares  may be sold in any  single
calendar quarter following the end of the lock-up period.

A new numbered paragraph, 6(c), is added as follows:

         6(c) the  provisions of the last sentence of paragraph 1, as amended by
this  Amendment  Number One to this  Agreement,  shall  remain in full force and
effect until August 7, 2005.

All other  terms and  conditions  of the  Consulting  Agreement  between  Health
Sciences Group,  Inc. and Spencer Trask Ventures,  Inc. dated as of July 7, 2003
remain in full force and effect.

AGREED:

HEALTH SCIENCES GROUP, INC.                  SPENCER TRASK VENTURES, INC.

By: ___________________________              By: ____________________________
         Bill Glaser                                  /s/Exhibit 10.13

                         EXECUTIVE EMPLOYMENT AGREEMENT

         THIS  AGREEMENT  is made and entered  into  effective  as of August 11,
2003,  by and  between  HEALTH  SCIENCES  GROUP,  INC.  (hereinafter  called the
"Corporation"),   a  Colorado  corporation,   and  JACOB  ENGEL,  an  individual
(hereinafter called the "Executive");

                                WITNESSETH THAT:

         WHEREAS  the  Corporation  desires to employ the  Executive  as General
Manager of Corporate  Operations and Executive desires to accept such employment
offered by the Corporation;

         NOW, THEREFORE, the Corporation and the Executive, each intending to be
legally bound, hereby mutually covenant and agree as follows:

         1.       EMPLOYMENT AND TERM.

                  (a) Employment.  The  Corporation  hereby offers to employ the
Executive  as the  General  Manager  of  Corporate  Operations  ("GM")  and  the
Executive  hereby accepts such  employment,  for the term set forth in Paragraph
1(b) and under the terms and conditions set forth herein.

                  (b) Term. The term of the  Executive's  employment  under this
Agreement shall commence the date set forth above and end December 31, 2005 (the
"Term") and shall be  automatically  renewed  for  successive  one year  periods
unless either party shall have given the other at least 90 days' advance written
notice of termination prior to the end of the Term or any renewal thereof.

         2.  DUTIES.  (a)  Subject  to  Subsection  2(c),  during  the period of
employment as provided in Paragraph  1(b) hereof,  the Executive  shall serve as
the GM and as a member of the Board of Directors. Executive shall have authority
for supervision and  implementation  of operating  policies of QBI and the Other
Subsidiaries (as defined herein). The Executive shall have all powers and duties
consistent  with such position and as set forth in the Bylaws of the Corporation
(which shall be amended to provide for such a position)  and shall report to the
Board of Directors.  Executive's  duties shall include the  preparation  of, and
supervision of the  implementation of, an operational plan for the Corporation's
QUALITY BOTANICAL INGREDIENTS, INC. subsidiary ("QBI") for the quarterly periods
through  December  2005,  (the  "QBI"  Plan")  and  operational  plans  for  the
Corporation's   other   subsidiaries,   XCEL  Healthcare,   Inc.  and  BioSelect
Innovations,  Inc.  ("Other  Subsidiaries")  for the same  period.  In addition,
Executive shall develop a plan for suitable acquisitions by the Corporation (the
"Acquisition   Plan")  and  take  appropriate   steps  to  identify  and  pursue
appropriate  acquisition  targets.  All such  plans  shall be  subject  to Board
approval.  The  Executive  shall devote his best  reasonable  efforts to fulfill
faithfully, responsibly and to the best of his ability his duties hereunder.

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                  (b) Corporation shall establish a separate restricted account,
which shall be funded by the proceeds raised  pursuant to the Private  Placement
Memorandum  of even date,  as described  therein.  Disbursements  of any and all
funds from said restricted account shall require the signature of Executive.

                  (c) The Executive shall be based at his office in Monsey,  New
York, and shall be subject to reasonable travel and commutation  requirements in
order to satisfy his duties as GM.

                  (d)  Notwithstanding  the commencement date of this Agreement,
Executive  shall not assume the title of GM or be required to perform any duties
of an executive of the Corporation  until the Corporation has obtained  Director
and Officer Liability Insurance reasonably satisfactory to the Executive.  Prior
to the implementation of such insurance, the Executive's  responsibilities shall
be limited to consulting with the Chief  Executive  Officer and the President of
the Corporation with respect to the  Corporation's  operations and to performing
such other tasks of a non-executive nature as he and they shall agree upon.

         3.       SALARY.

                  (a) Base Salary.  For services  performed by the Executive for
the  Corporation  pursuant to this Agreement  during the period of employment as
provided in Paragraph  1(b) hereof,  the  Corporation  shall pay the Executive a
base salary at the rate of at least $150,000 per year ("Base  Salary"),  payable
in substantially equal installments in accordance with the Corporation's regular
payroll practices. Any compensation which may be paid to the Executive under any
additional  compensation  or incentive  plan of the  Corporation or which may be
otherwise  authorized from time to time by the Board shall be in addition to the
Base Salary.

                  (b)  Salary  Increases.  During the  period of  employment  as
provided in Paragraph  1(b) hereof,  the Base Salary of the  Executive  shall be
reviewed at each  anniversary  date of this  Agreement by the Board to determine
whether  or not the  same  should  be  increased  in  light  of the  duties  and
responsibilities  of the Executive and the  performance  thereof,  and, if it is
determined that an increase is merited, such increase shall be promptly put into
effect and the Base Salary of the Executive as so increased shall constitute the
Base Salary of the  Executive  for purpose of Paragraph  4(a).  The  Corporation
shall,  pursuant  to its bylaws as now in  effect,  defend,  indemnify  and hold
harmless  Executive,  from and against all  liabilities,  costs,  and  expenses,
including  attorneys  fees, to the extent  permitted by law and as provided in a
separate  Indemnity  Agreement  between the  Corporation  and Executive which is
annexed  hereto as Schedule 3(b) and is executed  simultaneously  herewith.  The
Corporation  represents  that it will obtain  Directors  and Officers  Liability
Insurance to cover  Executive in the good faith discharge of his duties and will
maintain that  insurance in full force and effect during the term of Executive's
employment.

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         4. BONUS.  For 2003,  the Executive  shall receive a bonus equal to the
greater of 2% of QBI earnings  before taxes and before  deducting  any corporate
overhead charges or any portion of Executive's Base Salary for the quarter ended
December 31, 2003, or such sum as determined by the Board.  For each  subsequent
calendar  year or portion  thereof  during the term of employment as provided in
Paragraph 1(b), the Executive shall receive a cash bonus of 2% of QBI's earnings
before taxes computed as aforesaid for such period unless otherwise agreed to by
the Corporation and the Executive.

         5. OTHER BENEFITS. In addition to the Base Salary and the bonuses which
may be paid to the Executive  pursuant to Paragraph 4, the Executive  shall also
be entitled to the following:

                  (a)  Participation  in Benefit Plans.  The Executive  shall be
entitled to participate in all retirement,  health,  welfare, fringe benefit and
executive perquisite plans,  programs and arrangements of the Corporation or QBI
to the extent the Corporation makes such benefits available to any executives of
the Corporation.  Accordingly,  Executive shall be entitled to participate under
the terms of such plans, programs and arrangements including a 401(k) plan and a
PPO medical  plan,  an  automobile  reimbursement  plan for up to $350 per month
(covering cost of lease,  insurance,  license,  gas and maintenance)  dental and
vision plan, and disability insurance, which benefits are summarized on Schedule
5(a) attached hereto.

                  (b) Expense Reimbursement. The Corporation shall reimburse the
Executive for all reasonable business expenses and disbursements incurred by him
in the  course of the  performance  of his  duties  under  this  Agreement  upon
presentation  by Executive of valid  receipts and invoices  therefore  utilizing
procedures as established by the Corporation from time to time.

                  (c) Vacation and Holidays.  The Executive shall be entitled to
four (4) weeks of vacation (subject to the Corporation's policies in effect from
time to time) during each year of this Agreement,  or such greater period as the
Board shall approve, to paid holidays given by the Corporation to its executives
generally,  and the Jewish  Sabbath and Jewish  Holidays  without  reduction  in
salary or other  benefits  subject to reasonable  limits on accrual as the Board
may determine.

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                  (d) Stock Option  Plans.  Concurrently  herewith  Executive is
being granted Stock Purchase  Options pursuant to the  Corporation's  2003 Stock
Option,  Deferred  Stock and  Restricted  Stock Plan ("2003 Stock Plan") and the
Stock Option Agreement, copies of which are annexed hereto as Schedule 5(d).

         6.  TERMINATION.  Unless  earlier  terminated  in  accordance  with the
provisions of this  Paragraph 6, the  Corporation  shall  continue to employ the
Executive and the Executive shall remain employed by the Corporation  during the
entire term of this Agreement as set forth in Paragraph 1(b). Paragraph 7 hereof
sets  forth  certain  obligations  of the  Corporation  in the  event  that  the
Executive's  employment hereunder is terminated.  Certain capitalized terms used
in this  Paragraph 6 and in  Paragraph 7 hereof are  defined in  Paragraph  6(d)
below.

                  (a) Death or  Disability.  Except  as  otherwise  provided  in
Paragraph  7(b)  with  respect  to  certain  post-Date  of  Termination  payment
obligations of the Corporation, this Agreement shall terminate immediately as of
the Date of  Termination  (with the  exception  of  Section 8, 10 and 11) in the
event of the  Executive's  death or in the  event  that  the  Executive  becomes
mentally disabled. The Executive will be deemed to be mentally disabled upon the
earlier of (i) the end of a six (6) consecutive month period (or 6 months within
a one year period)  during  which,  by reason of mental  injury or disease,  the
Executive has been unable to perform  substantially  the  Executive's  usual and
customary  duties  under  this  Agreement  or (ii)  the  date  that a  reputable
physician  selected  jointly by the Board and the Executive (or if the Executive
is clearly  unqualified to make such  selection,  the person then  authorized to
make health care  decisions  for the  Executive)  determines in writing that the
Executive  will,  by reason of mental  injury or  disease,  be unable to perform
substantially  all of the  Executive's  usual and  customary  duties  under this
Agreement  for a period  of at least  six (6)  consecutive  months  (or 6 months
within a one year period). If any questions arise as to whether the Executive is
mentally disabled,  upon reasonable request therefor by the Board, the Executive
shall  submit  to a medical  examination  for the  purpose  of  determining  the
existence,  nature and extent of any such mental disability.  In accordance with
Paragraph 13, the Board shall promptly give the Executive  written notice of any
such  determination of the Executive's  mental disability and of the decision of
the Board to terminate the Executive's employment by reason thereof.

                  (b) Discharge  For Cause or  Resignation  For Good Reason.  In
accordance with the procedures  hereinafter  set forth,  the Board may discharge
the  Executive  from his  employment  hereunder  for Cause and the Executive may
resign  from his  employment  hereunder  for Good  Reason.  Except to the extent
otherwise  provided in Paragraph  7(a) (in the case of a discharge for Cause) or

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Paragraph 7(c) (in the case of discharge without cause or a resignation for Good
Reason) with  respect to certain  post-Date of  Termination  obligations  of the
Corporation,  this  Agreement  shall  terminate  immediately  as of the  Date of
Termination  (with  the  exception  of  Sections  8, 10 and 11) in the event the
Executive is discharged  for Cause or resigns for Good Reason.  Any discharge of
the  Executive by the Board for Cause or  resignation  by the Executive for Good
Reason shall be communicated by a Notice of Termination to the Executive (in the
case of  discharge)  or to the  Board  (in the  case of  resignation)  given  in
accordance with Paragraph 13 of this Agreement.  For purposes of this Agreement,
a "Notice  of  Termination"  means a written  notice  which  (i)  indicates  the
specific termination provision in this Agreement relied upon, (ii) sets forth in
reasonable  detail  the facts and  circumstances  claimed to provide a basis for
termination of the Executive's  employment  under the provision so indicated and
(iii) specifies the termination  date (which date shall be the date of giving of
such notice when Executive is terminated for Cause).  In the case of a discharge
of the Executive for Cause, the Notice of Termination  shall include a copy of a
resolution  duly  adopted by the Board at a meeting of the Board called and held
for such purpose,  finding that, in the opinion of the Board,  the Executive was
guilty  of  conduct   constituting  Cause.  No  purported   termination  of  the
Executive's  employment  for  Cause  shall be  effective  without  a  Notice  of
Termination.

                  (c)  Definitions.   For  purposes  of  this  Paragraph  6  and
Paragraph 7 hereof, the following  capitalized terms shall have the meanings set
forth below:

                          (i) "EARNED OBLIGATIONS" shall mean, as of the Date of
Termination,  the sum of (A) the  Executive's  Base  Salary  under  Paragraph  3
through the Date of  Termination  to the extent not  theretofore  paid,  (B) the
amount of any bonus,  incentive  compensation,  deferred  compensation and other
cash compensation  accrued by the Executive as of the Date of Termination to the
extent not theretofore  paid, (C) any vacation pay, expense  reimbursements  and
other cash  entitlements  accrued by the Executive as of the Date of Termination
to the extent not theretofore paid and (D) Stock Options which have vested as of
the Date of  Termination.  For the purpose of this Paragraph  6(c)(i),  wherever
possible amounts shall be deemed earned  proportionately  over the period during
which  they are  earned,  except in the case of Stock  Options,  which  shall be
deemed  Earned  Obligations  only to the extent  that they have vested as of the
Date of Termination.

                          (ii) "CAUSE" shall mean (i) a material act of
dishonesty in connection with the Executive's  responsibilities  as an employee,
(ii) the Executive's conviction of, or plea of nolo contendere to, a felony or a
crime involving moral turpitude or a crime which reflects  materially  adversely
on the Corporation or its reputation,  (iii) the Executive's gross misconduct or

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willful failure to carry out his duties, which misconduct or willful failure has
a  material  adverse  effect on the  Corporation,  (iv) the  material  breach by
Executive of his obligations to the Corporation having a material adverse effect
on the  Corporation.  The  Corporation  acknowledges  that  failure  to  achieve
financial targets or milestones shall not constitute Cause.

                          (iii) "DATE OF TERMINATION" shall mean (A) in the
event of a discharge of the Executive by the Board for Cause or a resignation by
the Executive for Good Reason, the date the Executive (in the case of discharge)
or the Board (in the case of resignation)  receives a Notice of Termination,  as
the case may be, (B) in the event of the Executive's  death, the last day of the
month  following the month in which  Executive's  death  occurs,  and (C) in the
event  of  termination  of  the  Executive's  employment  by  reason  of  mental
disability  pursuant to Paragraph 6(a), the date the Executive  receives written
notice of such  termination  (or,  if later,  six (6)  months  from the date the
Executive's disability began).

                           (iv)"GOOD REASON" shall mean any of the following:
(A) without  Executive's  consent,  or in the  absence of Cause,  (i) a material
reduction  in job  duties and  responsibilities  inconsistent  with  Executive's
position with the  Corporation in effect  immediately  prior to such  reduction,
(ii) any reduction of Executive's  Base Salary below $150,000,  or (iii) without
the Executive's prior approval,  the relocation of QBI to a facility or location
more than 75 miles from the QBI's  current  location in New  Jersey;  or (B) any
material  failure by the  Corporation  (after a 30 day cure period after written
notice to the Corporation  from Executive  specifically  describing the material
failure) to comply with any of the provisions of this Agreement,  other than any
isolated,  insubstantial and inadvertent  failure not occurring in bad faith and
which is promptly remedied by the Corporation.

                            (v)"WITHOUT GOOD REASON" shall mean a termination by
Executive  at any time  during the Term of any  renewal  thereof  for any reason
other than as set forth in Section 6(c)(iv).

         7.       OBLIGATIONS OF THE CORPORATION UPON TERMINATION.

                  (a) Discharge For Cause or Resignation Without Good Reason. In
the event of a discharge of the Executive for Cause  pursuant to Paragraph  6(b)
or  resignation  by the  Executive  Without  Good Reason as defined in Paragraph
6(c)(v):

                          (i) the Corporation shall pay to the Executive all
Earned  Obligations in a lump sum in cash within ninety (90) days after the Date
of Termination  (except with respect to vested Stock Options,  in which case the
provisions of the 2003 Stock Plan shall apply); and

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                          (ii) the Executive shall be entitled to receive all
benefits  earned by him as of the Date of  Termination  under all  qualified and
nonqualified  retirement,  pension,  profit  sharing  and  similar  plans of the
Corporation  in such manner and at such time as are provided  under the terms of
such plans and arrangements; and

                          (iii) the Corporation shall cooperate so as to enable
the  Executive at his cost to obtain the  continuation  of benefits  pursuant to
COBRA  at  Executive's  cost  for the  shorter  of (a) two (2)  years or (b) the
maximum legal period for which COBRA may be extended; and

                          (iv) except as otherwise provided by law or in this
Agreement,  all other  obligations  of the  Corporation  hereunder  shall  cease
forthwith.

                  (b) Death or Disability.

                          (i) In the event this Agreement terminates pursuant to
Paragraph 6(a) by reason of the death or mental disability of the Executive, the
Corporation shall pay all Earned Obligations  through the Date of Termination to
the Executive,  or to his heirs or estate in the event of the Executive's death,
in a lump sum in cash  within  ninety  (90) days  after the Date of  Termination
(except as to vested Stock  Options,  in which case the  provisions  of the 2003
Stock Plan shall apply); and

                          (ii) In the event this Agreement  terminates  pursuant
to  Paragraph  6(a) by reason of the mental  disability  of the  Executive,  the
Corporation shall continue to pay to the Executive,  for a period of twelve (12)
months from the Date of Termination,  reduced dollar-for-dollar by the amount of
any disability  benefits paid to the Executive in accordance with any disability
policy or program of the  Corporation  or procured by the  Corporation,  (A) the
Base Salary in effect on the Date of Termination as determined  under  Paragraph
3; and (B) all other benefits to which  Executive would have been entitled as if
he had  continued to be employed by the  Corporation  for such 12 month  period,
provided that with respect to Executive's  bonus as provided in Paragraph 4, the
Corporation  shall  only be  required  to pay any  amount  earned to the date of
disability; and

                          (iii)  In  the  event  this  Agreement  is  terminated
pursuant to Paragraph  6(a) by reason of the death or mental  disability  of the
Executive,  the Executive,  or his beneficiary,  heirs or estate in the event of
the Executive's  death,  shall be entitled to receive all benefits earned by him
as of the Date of Termination  under all qualified and nonqualified  retirement,
pension,  the  2003  Stock  Plan,  profit  sharing  and  similar  plans  of  the
Corporation  in such manner and at such time as are provided  under the terms of
such plans and arrangements; and

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                          (iv)  In  the  event  this   Agreement  is  terminated
pursuant to Paragraph  6(a) by reason of the death or mental  disability  of the
Executive,  except as otherwise provided by law or in this Agreement,  all other
obligations of the  Corporation  hereunder  shall cease  forthwith,  except that
Executive shall be entitled to continue to receive long term disability benefits
generally  provided to executives  of the  Corporation  under the  Corporation's
benefits  programs  for its  executives  in  accordance  with the  terms of such
programs.

                  (c)  Termination  Without  Cause or With Good  Reason.  In the
event this  Agreement is terminated by the  Corporation  without cause or by the
Executive  for Good  Reason,  the  Executive  shall be  entitled  to continue to
receive from the Corporation, as liquidated damages, the following:

                          (i) As severance compensation,  the lesser of one year
of the Base  Salary in effect on the Date of  Termination  or the amount of Base
Salary he would have  received as if his  employment  had  continued  hereunder,
through the end of the Term;

                          (ii) Any unpaid reimbursable expenses and vacation pay
outstanding as of the Date of Termination;

                          (iii) The amount of any bonus, incentive compensation,
deferred compensation, and other cash compensation which would have been paid to
Executive if his  employment  had  continued  hereunder,  through the end of the
Term;

                          (iv)  Participation  on the same basis in all benefits
Executive  received under  Paragraph 5(a) in which he was  participating  on the
Date of  Termination  until the end of the period that he receives the severance
compensation payments under Paragraph 7(c)(i);

                          (v)  During  the  period  that he  receives  severance
compensation,  all rights  granted to him under the 2003 Stock Plan and pursuant
to the Stock  Option  Agreement  entered into  between the  Corporation  and the
Executive.

         8.  NON-COMPETITION.  The Executive  agrees that during the term of his
employment  hereunder  and for two years  thereafter,  he will not,  directly or
indirectly (i) own, manage, operate, control or participate in any manner in the
ownership,  management,  operation or control of, or be connected as an officer,
employee, partner, director, principal,  consultant, agent or otherwise with, or
have any financial  interest in, or aid or assist anyone else in the conduct of,
any  business,  venture or  activity  which is engaged  in the  business  of the

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Corporation  or any of its  subsidiaries  at the time of the  Termination of his
employment;  or (ii)  recruit or otherwise  seek to induce any  employees of the
Corporation or any of its  subsidiaries to terminate their employment or violate
any  agreement  with  or  duty  to the  Corporation  or any of its  subsidiaries
provided the  Corporation is not in breach of its obligations to Executive under
this  Agreement.  Executive  also  agrees  that  in the  event  of a sale of the
business he will agree not to compete  with the business of the  Corporation  at
the time of the sale,  for a period of two years after the closing of such sale,
provided  during  such  period  he is paid his Base  Salary.  In the  event  any
provision  in this  Section 8 is  deemed  unenforceable,  it shall be  equitably
adjusted rather than eliminated to the extent attainable. Furthermore, ownership
of stock not to exceed 2% of the voting stock of any publicly  held  corporation
is not deemed in competition with the Corporation.

         9. THIS PARAGRAPH INTENTIONALLY LEFT BLANK

         10. CONFIDENTIALITY/INVENTION ASSIGNMENT AGREEMENT.

                  (a)  Confidentiality.  For  the  term of  this  Agreement  and
thereafter,  Executive  will  hold  for  the  benefit  of the  Corporation,  its
affiliates,  subsidiaries,  related  entities,  and  designees,  and  shall  not
disclose  to any  person or entity  other  than the  Corporation  or  persons or
entities designated in writing by the Corporation any "Confidential Information"
of the Corporation,  its subsidiaries,  related entities and designees. The term
"Confidential  Information" shall mean and refer to any proprietary information,
technical  data,  trade  secrets or  know-how,  including,  but not  limited to,
research,  product plans, products,  services,  procedures,  plans,  strategies,
customer  and partner  lists and  partners  and  customers  (including,  but not
limited to,  customers and partners of the  Corporation or its  subsidiaries  on
whom  Executive  called  or  with  whom  Executive  became  acquainted),  market
information,   software,   developments,    inventions,   processes,   formulas,
technology, designs, drawings, engineering,  hardware configuration information,
marketing and other business  methods,  finances or other  business  information
disclosed to  Executive by the  Corporation  or any of its  subsidiaries  either
directly or indirectly in writing, orally or by drawings or observation of parts
or equipment.

                  (b)  Exclusions.  The  Executive's  obligations  regarding the
Confidential Information shall not apply to:

                          (i) Confidential  Information  which was already known
to Executive prior to Executive's employment by the Corporation;

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                          (ii)  Confidential  Information  which  was  generally
available to the public  prior to receipt by Executive  during the course of his
employment,  or which later becomes  available to the public through no fault of
Executive; or

                          (iii)  Confidential  Information which is disclosed to
Executive by a third party who has the right to make such disclosure.

                  (c)  Termination  of  Employment.  Immediately  upon notice of
termination of employment, Executive shall give to the Corporation the originals
and all copies of all  documents,  correspondence,  memoranda,  records,  notes,
manuals,  materials,  customer and prospective  customer lists and  information,
including without  limitation  computer data, and other things relating,  either
directly or  indirectly to the  Corporation's  and its  subsidiaries'  business,
including,   but  not  limited  to,  Confidential   Information  in  Executive's
possession, custody or control.

                  (d)  Invention  Assignment  Agreement.   Executive  agrees  to
execute  reasonable  confidentiality  and assignment of invention  agreements as
requested by the Corporation,  including the standard form of the  Corporation's
confidentiality and invention assignment agreement to be signed by all employees
of the Corporation.

         11. STANDOFF AGREEMENT.  Executive and each transferee of the shares of
the  Corporation's  Common Stock held by Executive  agrees not to sell, make any
short sale of, loan, grant any options for the purchase of, or otherwise dispose
of any securities of the Corporation held by Executive without the prior written
consent of the Company or the principal  underwriter  managing any  underwritten
public offering of the Company's securities,  for such period from the effective
date of the  offering as the  managing  underwriters  shall  request (but not to
exceed the longest period provided in any agreements  with other  executives but
not earlier than one hundred  eighty (180 days),  and further  agrees to execute
any  agreement  reflecting  the  above  provisions  as may be  requested  by the
underwriters at the time of any such public offering.

         12. BINDING  EFFECT.  This Agreement shall be binding upon and inure to
the benefit of the heirs and representatives of the Executive and the successors
and assigns of the  Corporation.  The  Corporation  shall  require any successor
(whether direct or indirect, by purchase, merger, reorganization, consolidation,
acquisition  of  property  or  stock,  liquidation,  or  otherwise)  to all or a
significant   portion  of  its  assets,  by  agreement  in  form  and  substance
satisfactory  to the  Executive,  expressly  to assume and agree to perform this
Agreement in the same manner and to the same extent that the  Corporation  would
be required to perform  this  Agreement if no such  succession  had taken place.
Regardless  of whether  such  agreement  is executed,  this  Agreement  shall be
binding upon any successor of the  Corporation in accordance  with the operation
of law and such  successor  shall be deemed the  "Corporation",  for purposes of
this Agreement.

                                       10
<PAGE>

         13. NOTICES.  All notices,  requests,  demands and other communications
hereunder  shall be in  writing  and shall be deemed to have been duly  given if
delivered by hand or mailed within the continental  United States by first class
certified mail, return receipt requested, postage prepaid, addressed as follows:

                  (a)      if  to  the  Board  or  the  Corporation  to:

                           HEALTH SCIENCES GROUP, INC.
                           6080 Center Drive, 6th Floor
                           Los Angeles, CA 90045
                           Attn: Fred Tannous

                  (b)      if to the  Executive,  to:

                           JACOB  ENGEL
                           10 Gel Court
                           Monsey, NY 10952

         Such addresses may be changed by written notice sent to the other party
at the last recorded address of that party.

         14. NO ASSIGNMENT.  Except as otherwise expressly provided herein, this
Agreement  is not  assignable  by any party and no payment to be made  hereunder
shall be  subject  to  anticipation,  alienation,  sale,  transfer,  assignment,
pledge, encumbrance or other charge.

         15.  EXECUTION IN  COUNTERPARTS.  This Agreement may be executed by the
parties hereto in two or more counterparts,  each of which shall be deemed to be
an  original,  but all  such  counterparts  shall  constitute  one and the  same
instrument, and all signatures need not appear on any one counterpart.

         16.  JURISDICTION  AND GOVERNING LAW.  Jurisdiction  over disputes with
regard to this Agreement  shall be exclusively in the courts of the state of New
Jersey, and this Agreement shall be construed and interpreted in accordance with
and governed by the laws of the state of New Jersey.

         17. SEVERABILITY.  If any provision of this Agreement shall be adjudged
by any court of competent  jurisdiction to be invalid or  unenforceable  for any
reason,  such judgment  shall not affect,  impair or invalidate the remainder of
this Agreement.

                                       11
<PAGE>

         18. PRIOR  UNDERSTANDINGS  AND AMENDMENTS.  This Agreement embodies the
entire  understanding  of the parties  hereof,  and supersedes all other oral or
written  agreements or understandings  between them regarding the subject matter
hereof.  No change,  alteration or  modification  hereof may be made except in a
writing,  signed by each of the parties  hereto.  The headings in this Agreement
are for  convenience  and  reference  only and shall not be construed as part of
this Agreement or to limit or otherwise affect the meaning hereof.

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

                                         EXECUTIVE:

                                         --------------------------------------
                                                           JACOB ENGEL

                                         CORPORATION:

                                         HEALTH SCIENCES GROUP, INC.

                                         By:
                                            -----------------------------------

                                         Its:
                                             ----------------------------------

                                       12

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