INTELLIGENT DECISION SYSTEMS, INC.








                                    FORM S-8
                             REGISTRATION STATEMENT









                                 Exhibit No. 4.2




                     Employment Agreement - Jonathan Preiser



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               EXECUTIVE EMPLOYMENT AND MANAGEMENT
                             AGREEMENT

AGREEMENT dated June 28, 1996,  between  Intelligent  Decision  Systems,  Inc. a
Delaware  corporation  (the  "Company"  or "IDS"),  and  Jonathan  Preiser  (the
"Executive").

      1.   Employment and Duties:

           The Company hereby employs the Executive,  and the Executive  accepts
employment,  in an executive  capacity for the Company and its  subsidiaries  to
perform such duties  consistent with his position as may be assigned to him from
time to time by the  Company's  President.  (He  shall  report  directly  to the
President  of  IDS).   The  Executive   shall  also  serve  without   additional
compensation as an officer of the Company's Subsidiary,  The Neptune Group, Inc.
The  Executive  shall  devote his best efforts and his entire  business  time to
advancing  the  interests  of the  Company  and its  subsidiaries.  He  shall be
entitled to three (3) weeks vacation per year which must be used during the year
earned.

      2.   Term; Termination:

           (a) This Agreement shall be effective as of July 1, 1996 and the term
hereof shall  continue until June 30, 2001 (and shall be  automatically  renewed
for successive one year periods  thereafter  unless, at least 90 days before the
end of the initial term or any  subsequent  renewal  period,  either party gives
written notice to the other of his to its desire to terminate this Agreement, in
which case it shall terminate as of the end of such term period).

           (b) This Agreement shall terminate upon the Executive's death and may
be  terminated  at the option of the Company if, as a result of any  physical or
mental disability, the Executive is unable to perform his major duties hereunder
for a continuous  period of 40 work days or at least 40 days in any  consecutive
period of 180 days. The Executive  shall continue to receive his full salary for
60 days under Section 3 hereof  regardless of any illness or incapacity,  unless
this  Agreement is  terminated.  If the  Executive's  employment  is  terminated
pursuant to this Section 2(b), the Executive (or his personal representative, in
the case of death)  shall be entitled  to receive  his full  salary  through the
effective  date of termination  and 60 days,  thereafter;  however,  said amount
shall be reduced by any life or disability  insurance proceeds the executive may
receive.

           (c) This  Agreement may also be terminated by the Company at any time
for "cause".  "Cause" shall be defined as (i) the commission by the Executive of
an act of fraud or  embezzlement,  (ii) a felony  conviction to a guilty plea by
the  Executive  with  respect  to a  felony,  (iii)  willful  misconduct  by the
Executive as an employee of the Company or (iv) the  substantial  failure by the
Executive to render  effective  services to the Company in accordance  with this
Agreement.

      3.   Compensation; Expenses; Benefits:

           (a) As compensation for his services  hereunder in whatever  capacity
rendered,  the  Company  shall  pay the  Executive  a salary,  payable  in equal
semi-monthly  installments  at such times during the month as is customary  with
the Company with respect to its Executives, at a rate of $100,000 per year. Such
salary shall be adjusted annually on July 1st of each year as agreed upon by the
Company's Board of Directors.  Notwithstanding the foregoing, the salary for any
year shall not be less than the  preceding  year).  In addition,  the  Executive
shall be entitled to such increases, bonuses or other


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payments as may be determined from time to time by the Board of Directors in its
discretion and, consistent with benefits provided for other executives, shall be
eligible to participate in any pension, profit sharing,  incentive,  retirement,
401-K or other employee  benefit plans now or hereafter in effect for executives
for the Company.  Additionally,  the Executive shall receive term life insurance
in the amount of $50,000.

           (b) The Executive shall also receive a sign-on bonus, stock warrants,
incentive  bonus plan and stock option plan,  during the term of this agreement,
as further described on attachment "A" attached hereto and made a part hereof.

           (c) The Executive shall be entitled to reimbursement for his ordinary
and  necessary  business  expenses  incurred  in the  performance  of his duties
hereunder  provided that his claims therefor are supported by the  documentation
required by the Company in accordance with its usual practice.

      4.   Covenants:

           (a) The Executive  shall not, during the term of his employment or at
any time thereafter,  directly or indirectly, publish or disclose to any person,
firm or corporation or other entity,  whether or not a competitor of the Company
or  its  subsidiaries,  any  confidential  information  concerning  the  assets,
business  or  affairs  of the  Company or its  subsidiaries  including,  without
limitation,  any trade  secrets,  sources of supply  costs,  pricing  practices,
customer  lists,  financial  data,  employee  information  as to  organizational
structure.

           (b)  During  the term of his  employment,  the  Executive  shall not,
directly  or  indirectly,  engage in or be  interested  in (as  owner,  partner,
shareholder,  employee, director, officer, agent, consultant or otherwise), with
or without  compensation,  any business which is  competitive  with the business
being  conducted  by the  Company (on the date hereof and at any time during the
term of the  Executive's  employment  and  extending  for six  months  after the
termination of this agreement).

           (c)  During  the  term  of his  employment  (and  for  one  (1)  year
thereafter),  the  Executive  shall  not,  directly  or  indirectly,  solicit or
contract any employee of the Company with a view toward  inducing or encouraging
such  employee to leave the employ of the Company for the purpose of being hired
by the Executive, an employer affiliated with the Executive or any competitor of
the Company.

           (d) Any claims,  actions,  demands,  or  proceedings  with respect to
compensation,  benefits, ownership or other remuneration which the executive may
have or have had against its former employer, The Neptune Group, Inc. ("TNG") (a
Delaware  Corporation),  any of TNG's  subsidiaries,  Steve Chaleff  and/or Fred
Wiener are hereby  released and  discharged  during the term of the  Executive's
employment with the Company or its subsidiary;  provided  however,  in the event
that the  Executive's  employment with the Company or its subsidiary is five (5)
years or more, any claims,  actions,  demands,  or  proceedings  with respect to
compensation,  benefits, ownership or other remuneration which the executive may
have or have had against its former employer, The Neptune Group, Inc. ("TNG") (a
Delaware  Corporation),  any of TNG's  subsidiaries,  Steve Chaleff  and/or Fred
Wiener are hereby released and forever discharged.

     (e) The Executive  acknowledges  that the  provisions of this Section 4 are
reasonable  and necessary for the protection of the Company and that the Company
will be  irrevocably  damaged if such covenants are not  specifically  enforced.
Accordingly, the Executive agrees that, in addition to any other relief to which
the  Company may be  entitled  in the form of actual or  punitive  damages,  the
Company


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shall be entitled to seek and obtain injunctive relief from a court of competent
jurisdiction  for the purposes of  restraining  the Executive from any actual or
threatened breach of such covenants.

      5.   Miscellaneous:

           (a) Governing Law:  This Agreement shall be governed by and
constructed in accordance with the laws of the State of Michigan.

           (b) Notices:  Any notice or other  communication under this Agreement
shall be in writing and shall be considered  given when delivered  personally or
three (3) business days after mailing by U.S.  registered  mail,  return receipt
requested, to the parties at the following addresses or at such other address as
a party may specify by notice to the other.

                     If to the Executive:
                     Jonathan Preiser




                     IDS' President:
                     Intelligent Decision Systems, Inc.
                     2025 Beltline Ave., SE., Suite 400
                     Grand Rapids, MI  49546

           (c) Entire Agreement Amendment:  This Agreement, when it becomes
effective shall supersede all existing agreements between the Executive and the
Company relating to the terms of his employment.  It may not be amended by a
written agreement signed by both parties.

           (d) Waiver: The failure of a party to insist upon strict adherence to
any term of this  Agreement  on any  occasion  shall not be  considered a waiver
thereof or deprive  that party of the right  thereafter  to insist  upon  strict
adherence to that term or any other term of this Agreement.

          (e) Assignment: Subject to the limitations below, this Agreement shall
inure to the  benefits  of and be  binding  upon the  parties  hereto  and their
respective heirs, representatives,  successors and assigns. This Agreement shall
not be assignable by the Executive,  and shall be assignable by the Company only
to any corporation resulting from the reorganization, merger or consolidation of
the  Company  with any  other  corporation  or any other  corporation  which the
Company  may  sell all or  substantially  all of its  assets,  and it must be so
assigned  by the  Company  to, and  accepted  as  binding  upon it by such other
corporation, in connection with any such reorganization,  merger,  consolidation
or sale.


INTELLIGENT DECISION SYSTEMS, INC.

By: /s/ Mark A. Babin                             EXECUTIVE:

Title:  President                                 By: /s/ Jonathan Preiser




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                          Attachment "A"

Compensation per person for five year Employment/Management contracts:

1.    Sign-on Bonus       $50,000 cash and 14,275 shares of IDS common stock

2.    Stock Warrants:     90,000 warrants to purchase IDS common stock at a
                          strike price of $3.50 for a term of five years from
                          the effective date of this Agreement.

3.  Incentive Bonus Plan: 5% of pre-tax  income (net of operating  expenses) of
                          which  50%  is  to  be  paid quarterly and the balance
                          is to be paid annually after the first  $1,000,000  in
                          income is realized  (this is calculated prior to Steve
                          and Fred's per Vision System compensation,
                          consultant's   fees   and  any   other extraordinary
                          income  or expenses created  by or inherited  from the
                          sale of the Company and/or its assets or liabilities).

4.    Stock Option Plan:  During the first fiscal year, 25,000 options to
                          purchase IDS common stock at an exercise price of
                          $3.50 (issuable immediately) and 25,000 options to
                          purchase common stock of  IDS common stock (at market
                          when the option is issued) to be earned for each
                          1,000,000 generated in income, (this is calculated
                          prior to Steve and Fred's per Vision System
                          compensation, consultant's fees and any other
                          extraordinary income or expenses) (or a pro rata
                          amount after the first $1 Million is met) in Neptune.
                          At the end of each fiscal year following the first
                          fiscal year 50,000 options to purchase IDS common
                          stock would be  earned for each $1,000,000 generated
                          in income, (this is calculated prior to Steve and
                          Fred's per Vision System compensation, consultant's
                          fees and any other extraordinary income or expenses)
                          (or a pro rata amount after the first $1 Million is
                          met) in Neptune.  The exercise price for these options
                          will be set at the market price of IDS common stock
                          when the option is issued.




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