Document:

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                                                                   Exhibit 10.32

May 31, 2000

Mr. Jerry E. Aron

RE: EMPLOYMENT AGREEMENT

Dear Jerry:

This letter shall confirm our mutual agreement to employ you as General Counsel
and Executive Vice President of US Diagnostic Inc. The terms and conditions will
be as outlined on the attached term sheet noted as Exhibit A. The only items to
be adjusted are as follows:

1.   US Diagnostic Inc. shall be able to terminate the agreement upon sixty (60)
     days notice by giving such notice anytime after December 31, 2000.
     Notwithstanding anything to the contrary, US Diagnostic Inc. shall be
     obligated for a minimum of nine (9) months.

2.   The compensation of $25,000 per month and the $1,000 per month car
     allowance shall be pay in accordance with US Diagnostic's regularly
     scheduled payroll (bi-weekly).

The executive assistant for general counsel will also be engaged under the same
arrangement and shall also be paid in conjunction with the company's regularly
scheduled payroll.

Please confirm your agreement by signing a copy of this letter where indicated
and return same to my attention.

Jerry, I look forward to working with you in the future.

Very truly yours,

/s/ Joseph A. Paul
-----------------------
Joseph A. Paul
President & Chief Executive Officer

AGREED TO AND ACKNOWLEDGED BY:

/s/ Jerry E. Aron                                       June 1, 2000
-----------------------                                 --------------------
Jerry E. Aron                                           Date

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                                    EXHIBIT A

                                   TERM SHEET

POSITION:                   General Counsel and Executive Vice President

TERM:                       One Year.

COMMENCEMENT DATE:          June 1, 2000 (Full time, provided that during
                            any notice time frame to existing employer, pro-rata
                            compensation (base salary) shall be payable to
                            existing employer).

EARLY TERMINATION:          Terminable on or after 9 months upon 60
                            days advance notice.

COMPENSATION:               $25,000 per month.

BENEFITS:                   Standard United States Diagnostics (USD) Senior
                            Executive benefit package, coverage and benefits
                            commencing on first day of employment.

CAR ALLOWANCE:              $1,000 per month.

EXPENSE REIMBURSEMENT:      Standard USD Senior Executive
                            reimbursement policy, including dues and expenses
                            associated with professional affiliations.

LIABILITY  INSURANCE:       Standard USD Senior Executive directors &
                            officers liability insurance coverage commencing on
                            first day of employment.

EXECUTIVE ASSISTANT FOR
GENERAL COUNSEL:            To be selected by General Counsel.

         a.  SALARY:        Equal to current salary (approximately $40,000
                            per year) to be paid 50% by USD and 50% by General
                            Counsel.

         b. BENEFITS:       Standard Senior Executive Assistant benefit
                            package, coverage and benefits commencing on first
                            day of employment.

OUTSIDE LEGAL PRACTICE:     General Counsel may maintain outside
                            legal practice inside USD offices provided same do
                            not materially interfere with primary duty as
                            general counsel.

CONFIDENTIALITY:            This Term Sheet shall remain confidential.<PAGE>   1
                                                                   Exhibit 10.33

November 21, 2000

Mr. Leon Maraist
Executive Vice President & Chief Operating Officer
250 S. Australian Avenue, 9th Floor
West Palm Beach, Florida 33401

RE:   PROPOSED EMPLOYMENT AGREEMENT

Dear Leon:

US Diagnostic Inc. ("Company") wishes to outline the basic terms of its
understanding with you regarding changes to your employment arrangement.

The following represents an outline of those terms and, by executing a copy of
this letter, you agree that the parties may enter into a separate employment
agreement which would encompass these terms and conditions if so required by the
Company:

1.   TITLE - You will be named to the Board of Directors at the October Board
     meeting and will assume the title of President of the Company on January 5,
     2001.

2.   COMPENSATION - Your current compensation including car allowance and
     benefits will remain the same. You will continue to be eligible for bonuses
     at the discretion of the Company's Board of Directors.

3.   TERM - The term of this arrangement will be one year from the effective
     date of January 5, 2001.

4.   TERMINATION/RETENTION PAYMENT - In the event the Company terminates your
     employment (including the planned one year term), other than for cause as
     defined in your current employment agreement, the Company will pay to you
     an amount equal to six (6) months of your current base compensation of
     $200,000 per year, or a total payment of $100,000. In the event such
     termination is prior to the term, you will be entitled to both the
     termination payment and the remaining balance of your employment agreement
     payable on or before January 5, 2002.

5.   SPECIAL TERMINATION - In the event any entity, other than the Company with
     which USD currently is having discussions, merges with or becomes owner of
     the Company after March 1, 2001, you will be eligible for the provision set
     forth in #4 of this Letter Agreement (Termination/Retention Payment). In
     such event, you will be entitled to both the termination payment and
     remaining balance of your employment regardless of whether or not there is
     an offer of employment.

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6.   TRAVEL - You will be entitled to travel first class airfare or business
     trips whenever practical as determined by you.

7.   EXISTING AGREEMENT. The above terms and conditions are not intended to
     alter the current employment agreement that presently exists and all
     obligations the Company presently has as outlined in the Proxy Statement,
     as well as the memorandum to the Board regarding retention bonus payments,
     will not be affected. Your existing employment agreement dated October 20,
     1997 is extended until January 5, 2002, and the provisions of this letter
     agreement are incorporated therein except the following paragraphs of the
     employment agreement are deleted: 3(b), and 5(c).

We look forward to working together with you in completing the strategic plan of
the Company.

Very truly yours,

US DIAGNOSTIC INC.

By: /s/ Joseph A. Paul
   ---------------------
   Joseph A. Paul
   President

AGREED TO AND ACKNOWLEDGED BY:

/s/ Leon Maraist
------------------------
Leon Maraist
Vice President & Chief Operating Officer<PAGE>   1
                                                                   Exhibit 10.34

December 1, 2000

Mr. P. Andrew Shaw
Executive Vice President & Chief Financial Officer
250 S. Australian Avenue, 9th Floor
West Palm Beach, Florida 33401

RE:  PROPOSED EMPLOYMENT AGREEMENT

Dear Andy:

US Diagnostic Inc. ("Company") wishes to outline the basic terms of its
understanding with you regarding changes to your employment arrangement.

The following represents an outline of those terms and, by executing a copy of
this letter, you agree that the parties may enter into a separate employment
agreement which would encompass these terms and conditions if so required by the
Company:

1.   COMPENSATION - Your current compensation including car allowance and
     benefits will remain the same. You will continue to be eligible for bonuses
     at the discretion of the Company's Board of Directors.

2.   TERM - The term of this arrangement will be one year from the effective
     date of January 5, 2001.

3.   TERMINATION/RETENTION PAYMENT - In the event the Company terminates your
     employment (including the planned one year term), other than for cause as
     defined in your current employment agreement, the Company will pay to you
     an amount equal to six (6) months of your current base compensation of
     $150,000 per year, or a total payment of $75,000. In the event such
     termination is prior to the term, you will be entitled to both the
     termination payment and the remaining balance of your employment agreement
     payable on or before January 5, 2002.

4.   SPECIAL TERMINATION - In the event any entity, other than the Company with
     which USD currently is having discussions, merges with or becomes owner of
     the Company after March 1, 2001, you will be eligible for the provision set
     forth in #3 of this Letter Agreement (Termination/Retention Payment). In
     such event, you will be entitled to both the termination payment and
     remaining balance of your employment regardless of whether or not there is
     an offer of employment.

5.   EXISTING AGREEMENT. The above terms and conditions are not intended to
     alter the current employment agreement that presently exists and all
     obligations the Company presently has as outlined in the Proxy Statement,

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     as well as the memorandum to the Board regarding retention bonus payments,
     will not be affected. Your existing employment agreement dated January 27,
     2000 is extended until January 5, 2002, and the provisions of this letter
     agreement are incorporated therein except the following paragraphs of the
     employment agreement are deleted: 3, and 5.

We look forward to working together with you in completing the strategic plan of
the Company.

Very truly yours,

US DIAGNOSTIC INC.

By: /s/ Joseph A. Paul
   -----------------------------
   Joseph A. Paul
   President

AGREED TO AND ACKNOWLEDGED BY:

/s/ P. Andrew Shaw
--------------------------------
P. Andrew Shaw
Executive Vice President & Chief Financial Officer

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