Document:

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                                                                   EXHIBIT 10.12

                              EMPLOYMENT AGREEMENT

THIS AGREEMENT, is made and entered into this 1st day of June, 2003, by and
between Fresenius Medical Care North America ("FMCNA" or the "EMPLOYER"), with
principal offices located at 95 Hayden Avenue, Lexington, MA 02420 and J.
Michael Lazarus ( "EMPLOYEE") currently residing at 60 Old Colony Road,
Wellesley, MA 02481.

WITNESSETH:

WHEREAS, FMCNA desires to employ EMPLOYEE as Medical Director and Senior Vice
President at FMCNA and its affiliated corporations in North America, and

WHEREAS, the parties hereto desire to express the terms and conditions of such
employment.

NOW THEREFORE, it is understood and agreed to between the parties as follows:

1.    EMPLOYMENT. FMCNA hereby employs EMPLOYEE as Medical Director and Senior
      Vice President, and EMPLOYEE hereby accepts the employment upon the terms
      and conditions of this Agreement.

2.    TERM. The term of this Agreement shall commence as of June 1, 2003 and
      continue thereafter, unless terminated in accordance with the provisions
      hereinafter stated. THE INITIAL TERM SHALL BE RENEWED BY A SUCCESSIVE ONE
      (1) YEAR PERIOD UNLESS EITHER PARTY GIVES WRITTEN NOTICE OF NON-RENEWAL TO
      THE OTHER PARTY AT LEAST THIRTY (30) DAYS PRIOR TO ANY TERMINATION DATE.
      THE INITIAL TERM AND ANY SUBSEQUENT RENEWAL PERIODS SHALL BE CALLED THE
      "EMPLOYMENT TERM."

3.    DUTIES AND RESPONSIBILITIES. EMPLOYEE shall serve full time as FMCNA's
      Medical Director and Senior Vice President and will be responsible for
      supervising and overseeing all matters pertaining to Clinical Quality and
      the Medical Department. EMPLOYEE shall report directly to the President of
      Fresenius Medical Services of FMCNA. EMPLOYEE shall to the best of his
      ability and experience competently, loyally, diligently and
      conscientiously perform all of the duties and obligations expressly or
      implicitly required under this Agreement. EMPLOYEE further agrees that, in
      conducting business in the interest of the EMPLOYER, he will not engage
      in, knowingly permit others under his control to carry on, or induce
      others to engage in any practice or commit any acts in violation of any
      federal or state or local law or ordinance.

4.    COMPENSATION AND BENEFITS.

a)    Base Salary. EMPLOYER shall pay EMPLOYEE for all services rendered a base
      salary of Five Hundred Sixty Five Thousand, Nine Hundred Sixteen Dollars
      and No Cents ($565,916.00) per year, (the "Base Salary"), payable in
      accordance with FMC's payroll procedures, subject to customary withholding
      and employment taxes. At the end of each year of employment hereunder,
      EMPLOYEE's performance for the prior year shall be reviewed and evaluated.
      If EMPLOYEE's performance is satisfactory, EMPLOYEE shall receive an
      increase in his base salary commensurate with level of achievement.

b)    Incentive Compensation. During EMPLOYEE's employment with FMCNA, EMPLOYEE
      shall be entitled to participate in FMCNA's Management Bonus Plan and any
      other such incentive compensation plans as are now available or may become
      available to other similarly positioned senior executives of FMCNA.
      EMPLOYEE will be in the FMCNA Management Bonus Plan at a target level
      bonus of forty percent (40%), and the maximum bonus is eighty percent
      (80%) of base salary. Funding for the plan is based upon attainment of
      specific individual and company financial objectives. EMPLOYEE's
      entitlement to a bonus under the Management Bonus Plan will be governed by
      terms of that Plan.
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c)    Stock Plan. EMPLOYEE shall be eligible to participate in the current
      Fresenius Medical Care AG Stock Incentive Plan, and any future stock
      incentive plan (individually a "Stock Plan" and collectively, the "Stock
      Plans"), subject to IRS approval of such respective Stock Plans. In
      addition to the existing options to purchase Fresenius Medical Care AG
      Preference Shares previously granted to EMPLOYEE (the "Existing Options"),
      EMPLOYEE shall be eligible to receive additional option grants in amounts
      as and if approved by the Fresenius Medical Care AG Managing Board.

d)    Benefit Programs. EMPLOYEE shall continue to be eligible to participate in
      the group employee benefits programs at the senior executive level as now
      established or which subsequently become available.

e)    Life Insurance. EMPLOYEE will be provided with life insurance in
      accordance with FMCNA's policy, currently capped at Four Hundred Thousand
      Dollars ($400,000). EMPLOYEE will be provided with the opportunity to
      purchase supplemental life insurance of an additional Six Hundred Thousand
      Dollars ($600,000) beyond the current policy of coverage at his own
      expense, with proof of good health.

      Additionally, this Agreement may be terminated by Employee, if there is a
      reduction in EMPLOYEE's responsibilities or FMCNA experiences a change in
      control defined as any of the following: i) the transfer (whether by sale,
      dividend, exchange, lease, merger, consolidation or otherwise) of greater
      that 50 percent (50%) of the voting power of FMCNA; ii) the transfer
      (whether by sale, dividend, exchange, lease, merger, consolidation or
      otherwise) of all or substantially all the assets or stock of FMCNA; or
      iii) any other action which results in persons other than the current
      majority shareholders of FMCNA, having the voting power to direct the
      management of FMCNA or if FMCNA relocates its corporate headquarters more
      than fifty (50) miles from its present location in Lexington,
      Massachusetts.

f)    Automobile. EMPLOYEE will be provided with a company car allowance of
      Seven Hundred Dollars ($700) paid monthly and treated as ordinary income.

g)    Financial Planning/Tax Preparation. EMPLOYEE will be provided with an
      allowance of Two Thousand Dollars ($2,000) to be paid based upon submitted
      documentation of expenses incurred as a result of financial planning
      assistance or income tax preparation. Reimbursement will be treated as
      ordinary income.

h)    Expenses. EMPLOYEE will be reimbursed for travel and other expenses
      related to the performance of his duties under the Agreement and in
      accordance with the EMPLOYER's policies.

i)    Vacation/PTO. EMPLOYEE shall be allowed to carry-over up to two hundred
      (200) hours from year-to-year without losing such time. EMPLOYEE shall
      also accrue PTO days at the maximum available to senior executives under
      the Executive Vacation Policy which currently provides for thirty (30)
      days of PTO per year.

5.    TERMINATION OF EMPLOYMENT. EMPLOYEE's employment hereunder may be
      terminated under the following circumstances:

a)    Death. EMPLOYEE's employment hereunder shall terminate upon his death.

b)    Total Disability. The EMPLOYER may terminate EMPLOYEE's employment
      hereunder upon EMPLOYEE becoming "Totally Disabled." For purposes of this
      Agreement, EMPLOYEE shall be "Totally Disabled" if EMPLOYEE is physically
      or mentally incapacitated so as to render EMPLOYEE incapable of performing
      EMPLOYEE's usual and customary duties under this Agreement. EMPLOYEE's
      receipt of Social Security disability benefits or disability benefits
      under a Company-sponsored long-term disability plan shall be deemed
      conclusive evidence of Total Disability for purpose of this Agreement;
      provided, however, that in the absence of EMPLOYEE's receipt of such
      Social Security or long-term disability benefits, the Company's Board of
      Directors may, in its reasonable discretion (but based upon medical
      evidence), determine that EMPLOYEE is Totally Disabled.

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c)    Voluntary Termination. EMPLOYER or EMPLOYEE may terminate EMPLOYEE's
      employment hereunder at any time after providing written notice to the
      other party. The EMPLOYEE is required to give the EMPLOYER at least thirty
      (30) days written notice if he wishes to terminate his employment pursuant
      to this provision.

d)    Termination by the EMPLOYER for Cause. The EMPLOYER may terminate
      EMPLOYEE's employment for Cause at any time after providing written notice
      to EMPLOYEE. For purposes of this Agreement, the term "Cause" shall mean,
      with respect to the EMPLOYEE, any of the following: (i) commission by
      EMPLOYEE of a felony or of any criminal act involving moral turpitude
      which results in an arrest or indictment; (ii) deliberate and continual
      refusal to satisfactorily perform employment duties reasonably requested
      by the EMPLOYER after 20 days' written notice by certified mail of such
      failure to perform, specifying that the failure constitutes cause (other
      than as a result of vacation, sickness, illness or injury); (iii) fraud or
      embezzlement determined in accordance with the EMPLOYER's normal, internal
      investigative procedures consistently applied in comparable circumstances
      to EMPLOYEES; (iv) gross misconduct or gross negligence in connection with
      the business of the EMPLOYER which has substantial effect on the EMPLOYER;
      (v) failure to obtain and maintain in good order any licenses required for
      EMPLOYEE to perform his duties under this Agreement; or (vi) a breach of
      any of the covenants set forth in Section 7 below. EMPLOYEE will be
      considered to have been terminated for "Cause" if the EMPLOYER determines
      that EMPLOYEE engaged in an act constituting "Cause," regardless of
      whether the individual terminates employment voluntarily or is terminated
      involuntarily, and regardless of whether the individual's termination
      initially was considered to have been for "Cause." The determination of
      "Cause" shall be made by the EMPLOYER in its sole discretion, and shall be
      final and binding on all parties.

e)    Termination by EMPLOYEE for Cause. This Agreement may be terminated by
      EMPLOYEE in the event of a breach by FMCNA of any of its obligations under
      this Agreement, provided EMPLOYEE gives FMCNA written notice specifying
      the manner in which he believes FMCNA has breached this Agreement and FMC
      has thirty (30) days from receipt of such notice to cure such breach, or
      in the case of other than a non-payment of money breach, if such breach
      cannot be cured within thirty (30) days, to commence a good faith effort
      to cure.

      Additionally, this Agreement may be terminated by Employee, if there is a
      reduction in Employee's responsibilities or FMCNA experiences a change in
      control defined as any of the following: i) the transfer (whether by sale,
      dividend, exchange, lease, merger, consolidation or otherwise) of greater
      that 50 percent (50%) of the voting power of FMCNA; ii) the transfer
      (whether by sale, dividend, exchange, lease, merger, consolidation or
      otherwise) of all or substantially all the assets or stock of FMC; or iii)
      any other action which results in persons other than the current majority
      shareholders of FMCNA, having the voting power to direct the management of
      FMCNA or if FMCNA relocates its corporate headquarters more than fifty
      (50) miles from its present location in Lexington, Massachusetts.

f)    Notice of Termination. Any termination by the EMPLOYER or the EMPLOYEE
      under this Agreement shall be communicated by notice of termination to the
      other party hereto. For purposes of this Agreement, a Notice of
      Termination shall mean a notice in writing which shall indicate the
      specific termination provision in this Agreement relied upon to terminate
      EMPLOYEE's employment and shall set forth in reasonable detail the facts
      and circumstances claimed to provide a basis for termination of EMPLOYEE's
      employment under the provision so indicated.

6.    COMPENSATION FOLLOWING TERMINATION OF EMPLOYMENT.

a)    Under all circumstances, upon termination the EMPLOYEE shall be entitled
      to receive:

      (i)   Any accrued but unpaid Base Salary for services rendered to the date
            of termination; and

      (ii)  Any benefits to which EMPLOYEE may be entitled upon termination
            pursuant to the plans, policies and arrangements referred to in
            Section 4 hereof shall be determined and paid in accordance with the
            terms of such plans, policies and arrangements. Upon any such

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            termination, EMPLOYEE shall have the right to exercise his Vested
            Stock Options in accordance with the terms of the plan. Should
            EMPLOYEE fail to exercise these options within this period, they
            will be forfeited at the end of said period.

b)    In the event that EMPLOYEE's employment hereunder is voluntarily
      terminated by the EMPLOYER in accordance with Section 5(c), or in the
      event that EMPLOYEE's employment hereunder is terminated by the EMPLOYEE
      in accordance with Section 5(e), or in the event the EMPLOYEE's employment
      hereunder is terminated by virtue of the EMPLOYER's giving written notice
      of non-renewal before the commencement of any one (1) year term of this
      Agreement, the EMPLOYEE shall also be entitled to receive:

      (i)   If such event occurs before June 1, 2006, the balance of the salary
            payments equivalent to the number of months remaining up to and
            including June 1, 2006. At a minimum, the number of months for
            salary continuation will be twenty-four (24) months, regardless of
            how much time actually is left before June 1, 2006, at the rate in
            effect on the date of termination of employment or the date of the
            EMPLOYER's notice of non-renewal, as applicable, such amount to be
            paid in a lump sum as soon as practicable thereafter; and

      (ii)  In the event that the Agreement is extended beyond June 1, 2006, the
            balance of the salary payments equivalent to the number of months
            remaining in the term of the Employment Agreement. At a minimum, the
            number of months of salary continuation will be twenty-four (24)
            months, at the rate in effect on the date of termination of
            employment, such amount to be paid in a lump sum as soon as
            practicable thereafter; and

      (iii) A pro-rated portion of the EMPLOYEE's annual bonus based upon
            termination of work date.

c)    Any stock options or other awards will continue to vest in accordance with
      the terms of the award and the plan pursuant to which it was made. If the
      terms of any award and governing plan are silent with respect to
      termination of employment, such award will lapse immediately upon such
      termination.

7.    NON-DISCLOSURE/NON COMPETITION AGREEMENT. EMPLOYEE acknowledges that
      during the term of employment with EMPLOYER, he will have access to and
      become acquainted with Confidential Information of the EMPLOYER.
      Confidential Information means all information related to the present or
      planned business of FMCNA that has not been released publicly by
      authorized representatives of FMCNA, and shall include but not be limited
      to, trade secrets and know-how, inventions, marketing and sales programs,
      employee, customer, patient and supplier information, information from
      patient medical records, financial data, pricing information, regulatory
      approval and reimbursement strategies, data, operations and clinical
      manuals.

      EMPLOYEE agrees not to use or disclose, directly or indirectly, any
      Confidential Information of FMCNA at any time and in any manner, except as
      required in the course of his employment with FMCNA or with the express
      written authority of FMCNA.

      EMPLOYEE understands that his non-disclosure obligations will continue
      following his termination of employment.

      EMPLOYEE agrees that during the term of his employment, and for a period
      of one (1) year immediately after he leaves the employment of FMCNA for
      any reason or the end of the period during which EMPLOYEE continues to
      receive salary continuation after leaving the employment of FMCNA,
      whichever is greater, EMPLOYEE will not directly or indirectly for his own
      benefit or the benefit of others:

      a)    render services for a competing organization in connection with
            competing products as an employee, officer, agent, broker,
            consultant, partner, stockholder (except that EMPLOYEE may own three
            percent (3%) or less of the equity securities of any publicly-traded
            company);

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      b)    hire or seek to persuade any employee of FMCNA to discontinue
            employment or to become employed in any competing organization or
            seek to persuade any independent contractor or supplier to
            discontinue its relationship with FMCNA; and

      c)    solicit, direct, take away or attempt to take away any business or
            customers of FMCNA.

      Nothing in this Agreement would preclude EMPLOYEE from working for a
      competitor of FMCNA's subsequent to termination of EMPLOYEE's employment
      provided EMPLOYEE will not be engaged, directly or indirectly, in any
      business in which FMCNA is actively engaged at the time of EMPLOYEE's
      termination or in any new business which FMCNA is in the process of
      setting up in which EMPLOYEE had direct involvement while employed by
      FMCNA. EMPLOYEE also agrees to inform FMCNA of any such employment with a
      competitor before beginning such employment.

8.    ENFORCEMENT OF COVENANTS.

a)    Termination of Employment and Forfeiture of Compensation. EMPLOYEE agrees
      that in the event that the EMPLOYER determines that EMPLOYEE has breached
      any of the covenants set forth in Section 7 hereof during EMPLOYEE's
      employment, the EMPLOYER shall have the right to terminate EMPLOYEE's
      employment for "Cause." For purposes of this Agreement, the term "Cause"
      shall mean, with respect to the EMPLOYEE, any of the following: (i)
      commission by EMPLOYEE of a felony or of any criminal act involving moral
      turpitude which results in an arrest or indictment; (ii) deliberate and
      continual refusal to satisfactorily perform employment duties reasonably
      requested by the EMPLOYER after 20 days' written notice by certified mail
      of such failure to perform, specifying that the failure constitutes cause
      (other than as a result of vacation, sickness, illness or injury); (iii)
      fraud or embezzlement determined in accordance with the EMPLOYER's normal,
      internal investigative procedures consistently applied in comparable
      circumstances to EMPLOYEES; (iv) gross misconduct or gross negligence in
      connection with the business of the EMPLOYER which has substantial effect
      on the EMPLOYER; (v) failure to obtain and maintain in good order any
      licenses required for EMPLOYEE to perform his duties under this Agreement;
      or (vi) a breach of any of the covenants set forth in Section 7 above.
      EMPLOYEE will be considered to have been terminated for "Cause" if the
      EMPLOYER determines that EMPLOYEE engaged in an act constituting "Cause,"
      regardless of whether the individual terminates employment voluntarily or
      is terminated involuntarily, and regardless of whether the individual's
      termination initially was considered to have been for "Cause." The
      determination of "Cause" shall be made by the EMPLOYER in its sole
      discretion, and shall be final and binding on all parties.

      In addition, EMPLOYEE agrees that if the EMPLOYER determines that EMPLOYEE
      has breached any of the covenants set forth in Section 7 at any time, the
      EMPLOYER shall have the right, notwithstanding anything herein to the
      contrary, to discontinue any or all amounts otherwise payable to EMPLOYEE
      hereunder. Such termination of employment or discontinuance of payments
      shall be in addition to and shall not limit any and all other rights and
      remedies that the EMPLOYER may have against EMPLOYEE.

b)    Right to Injunction. EMPLOYEE acknowledges that a breach of the covenants
      set forth in Section 7 hereof will cause irreparable damage to the
      EMPLOYER with respect to which the EMPLOYER's remedy at law for damages
      will be inadequate. Therefore, in the event of breach or anticipatory
      breach of the covenants set forth in this section by EMPLOYEE, EMPLOYEE
      and the EMPLOYER agree that the EMPLOYER shall be entitled to the
      following particular forms of relief, in addition to remedies otherwise
      available to it at law or equity: (i) injunctions, both preliminary and
      permanent, enjoining or retraining such breach or anticipatory breach and
      EMPLOYEE hereby consents to the issuance thereof forthwith and without
      bond by any court of competent jurisdiction; and (ii) recovery of all
      reasonable sums expended and costs, including reasonable attorney's fees,
      incurred by the EMPLOYER to enforce the covenants set forth in this
      section.

c)    Separability of Covenants. The covenants contained in Section 7 hereof
      constitute a series of separate covenants, one for each applicable State
      in the United States and the District of Columbia, and one for each
      applicable foreign country. If in any judicial proceeding, a court shall
      hold that any of the covenants set forth in Section 7 exceed the time,
      geographic, or occupational limitations permitted by applicable laws,

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      EMPLOYEE and the EMPLOYER agree that such provisions shall and are hereby
      reformed to the maximum time, geographic, or occupational limitations
      permitted by such laws. Further, in the event a court shall hold
      unenforceable any of the separate covenants deemed included herein, then
      such unenforceable covenant or covenants shall be deemed eliminated from
      the provisions of this Agreement for the purpose of such proceeding to the
      extent necessary to permit the remaining separate covenants to be enforced
      in such proceeding. EMPLOYEE and the EMPLOYER further agree that the
      covenants in Section 7 shall each be construed as a separate agreement
      independent of any other provisions of this Agreement, and the existence
      of any claim or cause of action by Employee against the Company whether
      predicated on this Agreement or otherwise, shall not constitute a defense
      to the enforcement by the Company of any of the covenants in Section 7.

9.    FMCNA DOCUMENTS AND EQUIPMENT. All documents and equipment relating to the
      business of FMCNA, whether prepared by EMPLOYEE or otherwise coming into
      EMPLOYEE's possession, are the exclusive property of FMCNA, and must not
      be removed from the premises of FMCNA except as required in the course of
      employment. Any such documents and equipment must be returned to FMCNA
      when EMPLOYEE leaves the employment of FMCNA.

10.   WITHHOLDING OF TAXES. The EMPLOYER may withhold from any compensation and
      benefits payable under this Agreement all applicable federal, state,
      local, or other taxes.

11.   ENTIRE AGREEMENT AND AMENDMENTS. This Agreement shall constitute the
      entire agreement between the parties and supersedes all existing
      agreements between them, whether oral or written, with respect to the
      subject matter hereof. Any waiver, alteration, or modification of any of
      the provisions of this Agreement, or cancellation or replacement of this
      Agreement shall be accomplished in writing and signed by the respective
      parties.

12.   NOTICES. Any notice, consent, request or other communication made or given
      in connection with this Agreement shall be in writing and shall be deemed
      to have been duly given when delivered or mailed by registered or
      certified mail, return receipt requested, to those listed below at their
      following respective addresses or at such other address as each may
      specify by notice to the others:

                  To the Employer:
                        Fresenius Medical Care North America
                        Corporate Headquarters
                        Two Ledgemont Center
                        95 Hayden Avenue
                        Lexington, MA 02420-9192
                        Attention:  Vice President, Human Resources

                  To Employee:
                        At the address for Employee set forth above

13.   GOVERNING LAW. This Agreement shall be construed in accordance with, and
      the rights of the parties shall be governed by, the laws of the
      Commonwealth of Massachusetts.

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14.   SEPARABILITY. If any term or provision of this Agreement is declared
      illegal or unenforceable by any court of competent jurisdiction and cannot
      be modified to be enforceable, such term or provision shall immediately
      become null and void, leaving the remainder of this Agreement in full
      force and effect.

IN WITNESS WHEREOF, the parties have caused this Agreement to be executed by the
undersigned duly authorized persons as of the day and year first stated above.

                                NATIONAL MEDICAL CARE, INC. D/B/A
                                FRESENIUS MEDICAL CARE
                                NORTH AMERICA,
WITNESS                         EMPLOYER

/s/M. Karen Lazarus             By:/s/Mats Wahlstrom                      7/1/03
-----------------------            ----------------------------           ------
                                   Mats Wahlstrom                         (DATE)
                                   President
                                   Fresenius Medical Services

WITNESS                         J. MICHAEL LAZARUS

/s/M. Karen Lazarus             /s/J. Michael Lazarus                     7/1/03
-----------------------         -------------------------------           ------
                                (Employee Signature)                      (DATE)

                                       7<PAGE>
                                                                   EXHIBIT 10.13

                              EMPLOYMENT AGREEMENT

THIS AGREEMENT, is made and entered into this 1st day of January, 2003, by and
between Fresenius Medical Care North America ("FMCNA" or the "EMPLOYER"), with
principal offices located at 95 Hayden Avenue, Lexington, MA 02420 and Robert
"Rice" M. Powell, Jr. ("EMPLOYEE") currently residing at 59 Rocky Brook Road,
North Andover, MA 01845.

WITNESSETH:

WHEREAS, FMCNA desires to employ EMPLOYEE as Senior Vice President and President
of the Dialysis Products Division , and,

WHEREAS, the parties hereto desire to express the terms and conditions of such
employment.

NOW THEREFORE, it is understood and agreed to between the parties as follows:

1.    EMPLOYMENT. FMCNA hereby employs EMPLOYEE as Senior Vice President and
      President of Dialysis Products Division, and EMPLOYEE hereby accepts the
      employment upon the terms and conditions of this Agreement.

2.    TERM. The term of this Agreement shall commence as of January 1, 2003 and
      continue thereafter, unless terminated in accordance with the provisions
      hereinafter stated.

3.    DUTIES AND RESPONSIBILITIES. EMPLOYEE shall serve full time as Senior Vice
      President and President of the Dialysis Products Division and in this
      position, EMPLOYEE will have full management responsibility for Dialysis
      Products Division, Spectra Renal Management, the Fresenius Hemocare
      Operation of N.A. to be acquired in 2003 and the Extracorporeal Alliance
      Joint Venture. EMPLOYEE shall report directly to the Chief Executive
      Officer. EMPLOYEE shall to the best of his ability and experience
      competently, loyally, diligently and conscientiously perform all of the
      duties and obligations expressly or implicitly required under this
      Agreement. EMPLOYEE further agrees that, in conducting business in the
      interest of the EMPLOYER, he will not engage in, knowingly permit others
      under his control to carry on, or induce others to engage in any practice
      or commit any acts in violation of any federal or state or local law or
      ordinance.

4.    COMPENSATION AND BENEFITS.

a)    Base Salary. EMPLOYER shall pay EMPLOYEE for all services rendered a base
      salary of Four Hundred Fifty Thousand Dollars and No Cents ($450,000) per
      year, (the "Base Salary"), payable in accordance with FMCNA's payroll
      procedures, subject to customary withholding and employment taxes. At the
      end of each year of employment hereunder, EMPLOYEE's performance for the
      prior year shall be reviewed and evaluated. If EMPLOYEE's performance is
      satisfactory, EMPLOYEE shall receive an increase in his base salary
      commensurate with level of achievement.

b)    Incentive Compensation. During EMPLOYEE's employment with FMCNA, EMPLOYEE
      shall be entitled to participate in FMCNA's Management Bonus Plan and any
      other such incentive compensation plans as are now available or may become
      available to other similarly positioned senior executives of FMCNA.
      EMPLOYEE will be in the FMCNA Management Bonus Plan at a target level
      bonus of fifty percent (50%) and the maximum bonus is one hundred percent
      (100%) of base salary. Funding for the plan is based upon attainment of
      specific individual and company financial objectives. EMPLOYEE's
      entitlement to a bonus under the Management Bonus Plan will be governed by
      terms of that Plan.
<PAGE>
c)    Stock Plan. EMPLOYEE shall be eligible to participate in the current
      Fresenius Medical Care AG Stock Incentive Plan, and any future stock
      incentive plan (individually a "Stock Plan" and collectively, the "Stock
      Plans"), subject to IRS approval of such respective Stock Plans. In
      addition to the existing options to purchase Fresenius Medical Care AG
      Preference Shares previously granted to EMPLOYEE (the "Existing Options"),
      EMPLOYEE shall be eligible to receive additional option grants in amounts
      as and if approved by the Fresenius Medical Care AG Managing Board.

d)    Benefit Programs. EMPLOYEE shall continue to be eligible to participate in
      the group employee benefits programs at the senior executive level as now
      established or which subsequently become available.

e)    Life Insurance. EMPLOYEE will be provided with life insurance in
      accordance with FMCNA's policy, currently capped at Four Hundred Thousand
      Dollars ($400,000). EMPLOYEE will be provided with the opportunity to
      purchase supplemental life insurance of an additional Six Hundred Thousand
      Dollars ($600,000) beyond the current policy of coverage at his own
      expense, with proof of good health.

f)    Automobile. EMPLOYEE will be provided with a company car allowance of
      Seven Hundred Dollars ($700) paid monthly and treated as ordinary income.

g)    Financial Planning/Tax Preparation. EMPLOYEE will be provided with an
      allowance of Two Thousand Dollars ($2,000) to be paid based upon submitted
      documentation of expenses incurred as a result of financial planning
      assistance or income tax preparation. Reimbursement will be treated as
      ordinary income.

h)    Expenses. EMPLOYEE will be reimbursed for travel and other expenses
      related to the performance of his duties under the Agreement and in
      accordance with the EMPLOYER's policies.

i)    Vacation/PTO. EMPLOYEE shall be allowed to carry-over up to two hundred
      (200) hours from year-to-year without losing such time. EMPLOYEE shall
      also accrue PTO days at the maximum available to senior executives which
      currently provides for thirty (30) days of PTO per year.

5.    TERMINATION OF EMPLOYMENT. EMPLOYEE's employment hereunder may be
      terminated under the following circumstances:

a)    Death. EMPLOYEE's employment hereunder shall terminate upon his death.

b)    Total Disability. The EMPLOYER may terminate EMPLOYEE's employment
      hereunder upon EMPLOYEE becoming "Totally Disabled." For purposes of this
      Agreement, EMPLOYEE shall be "Totally Disabled" if EMPLOYEE is physically
      or mentally incapacitated so as to render EMPLOYEE incapable of performing
      EMPLOYEE's usual and customary duties under this Agreement. EMPLOYEE's
      receipt of Social Security disability benefits or disability benefits
      under a Company-sponsored long-term disability plan shall be deemed
      conclusive evidence of Total Disability for purpose of this Agreement;
      provided, however, that in the absence of EMPLOYEE's receipt of such
      Social Security or long-term disability benefits, the Company's Board of
      Directors may, in its reasonable discretion (but based upon medical
      evidence), determine that EMPLOYEE is Totally Disabled.

c)    Voluntary Termination. EMPLOYER or EMPLOYEE may terminate EMPLOYEE's
      employment hereunder at any time after providing written notice to the
      other party. The EMPLOYEE is required to give the EMPLOYER at least thirty
      (30) days written notice if he wishes to terminate his employment pursuant
      to this provision.

d)    Termination by the EMPLOYER for Cause. The EMPLOYER may terminate
      EMPLOYEE's employment for Cause at any time after providing thirty (30)
      days' written notice to EMPLOYEE. Such notice shall specify in reasonable
      detail the nature of the Cause, and during such thirty (30) day period,
      EMPLOYEE shall have the opportunity to cure the stated Cause, if at all
      possible. If EMPLOYEE fails to cure a stated Cause, or if such Cause
      cannot be cured, EMPLOYEE's employment hereunder shall terminate at the
      end of the thirty (30) day period, but without prejudice to EMPLOYEE's
      right to contest the existence of any stated Cause or to contest the fact
      that the Cause has not been cured. For purposes of this Agreement, the
      term "Cause" shall mean, with

                                       2
<PAGE>
      respect to the EMPLOYEE, any of the following: (i) conviction of EMPLOYEE
      of a felony; (ii) deliberate and continual refusal to satisfactorily
      perform employment duties reasonably requested by the EMPLOYER; (iii)
      fraud or embezzlement determined in accordance with the EMPLOYER's normal,
      internal investigative procedures consistently applied in comparable
      circumstances to EMPLOYEES; (iv) failure to obtain and maintain in good
      order any licenses required for EMPLOYEE to perform his duties under this
      Agreement; or (v) a breach of any of the covenants set forth in Section 7
      below.

e)    Termination by EMPLOYEE for Cause. This Agreement may be terminated by
      EMPLOYEE in the event of a breach by FMCNA of any of its obligations under
      this Agreement, provided EMPLOYEE gives FMCNA written notice specifying
      the manner in which he believes FMCNA has breached this Agreement and
      FMCNA has thirty (30) days from receipt of such notice to cure such
      breach, or in the case of other than a non-payment of money breach, if
      such breach cannot be cured within thirty (30) days, to commence a good
      faith effort to cure.

f)    Notice of Termination. Any termination by the EMPLOYER or the EMPLOYEE
      under this Agreement shall be communicated by notice of termination to the
      other party hereto. For purposes of this Agreement, a Notice of
      Termination shall mean a notice in writing which shall indicate the
      specific termination provision in this Agreement relied upon to terminate
      EMPLOYEE's employment and shall set forth in reasonable detail the facts
      and circumstances claimed to provide a basis for termination of EMPLOYEE's
      employment under the provision so indicated.

6.    COMPENSATION FOLLOWING TERMINATION OF EMPLOYMENT.

a)    Under all circumstances, upon termination the EMPLOYEE shall be entitled
      to receive:

            (i)   Any accrued but unpaid Base Salary for services rendered to
                  the date of termination;

            (ii)  Accrued PTO; and

            (ii)  Any benefits to which EMPLOYEE may be entitled upon
                  termination pursuant to the plans, policies and arrangements
                  referred to in Section 4 hereof shall be determined and paid
                  in accordance with the terms of such plans, policies and
                  arrangements. Upon any such termination, EMPLOYEE shall have
                  the right to exercise his Vested Stock Options in accordance
                  with the terms of the plan. Should EMPLOYEE fail to exercise
                  these options within this period, they will be forfeited at
                  the end of said period.

b)    In the event that EMPLOYEE's employment hereunder is voluntarily
      terminated by the EMPLOYER in accordance with Section 5(c), or in the
      event that EMPLOYEE's employment hereunder is terminated by the EMPLOYEE
      in accordance with Section 5(e), the EMPLOYEE shall also be entitled to
      receive:

            (i)   A payment equal to twenty-four (24) months Base Salary, at the
                  rate in effect on the date of termination of employment, such
                  amount to be paid as salary continuation with benefits.
                  EMPLOYEE may request and FMC will agree that any remaining
                  salary continuation be paid in a lump sum. If a lump sum is
                  selected, all benefits entitlement will cease as of the date
                  of such payment; and

            (ii)  A pro-rated portion of the EMPLOYEE's annual bonus based upon
                  termination of work date.

c)    Any stock options or other awards will continue to vest in accordance with
      the terms of the award and the plan pursuant to which it was made. If the
      terms of any award and governing plan are silent with respect to
      termination of employment, such award will lapse immediately upon such
      termination.

7.    NON-DISCLOSURE/NON COMPETITION AGREEMENT. EMPLOYEE acknowledges that
      during the term of employment with EMPLOYER, he will have access to and
      become acquainted with Confidential Information of the EMPLOYER.
      Confidential Information means all information related to the present or
      planned business of

                                       3
<PAGE>
      FMCNA that has not been released publicly by authorized representatives of
      FMCNA, and shall include but not be limited to, trade secrets and
      know-how, inventions, marketing and sales programs, employee, customer,
      patient and supplier information, information from patient medical
      records, financial data, pricing information, regulatory approval and
      reimbursement strategies, data, operations and clinical manuals.

      EMPLOYEE agrees not to use or disclose, directly or indirectly, any
      Confidential Information of FMCNA at any time and in any manner, except as
      required in the course of his employment with FMCNA or with the express
      written authority of FMCNA.

      EMPLOYEE understands that his non-disclosure obligations will continue
      following his termination of employment.

      EMPLOYEE agrees that during the term of his employment, and for a period
      of one (1) year immediately after he leaves the employment of FMCNA for
      any reason or the end of the period during which EMPLOYEE continues to
      receive salary continuation after leaving the employment of FMCNA,
      whichever is greater, EMPLOYEE will not directly or indirectly for his own
      benefit or the benefit of others:

            a)    render services for a competing organization in connection
                  with competing products as an employee, officer, agent,
                  broker, consultant, partner, stockholder (except that EMPLOYEE
                  may own three percent (3%) or less of the equity securities of
                  any publicly-traded company);

            b)    hire or seek to persuade any employee of FMCNA to discontinue
                  employment or to become employed in any competing organization
                  or seek to persuade any independent contractor or supplier to
                  discontinue its relationship with FMCNA; and

            c)    solicit, direct, take away or attempt to take away any
                  business or customers of FMCNA.

      Nothing in this Agreement would preclude EMPLOYEE from working for a
      competitor of FMCNA's subsequent to termination of EMPLOYEE's employment
      provided EMPLOYEE will not be engaged, directly or indirectly, in any
      business in which FMCNA is actively engaged at the time of EMPLOYEE's
      termination or in any new business which FMCNA is in the process of
      setting up in which EMPLOYEE had direct involvement while employed by
      FMCNA. EMPLOYEE also agrees to inform FMCNA of any such employment with a
      competitor before beginning such employment.

8.    ENFORCEMENT OF COVENANTS.

a)    EMPLOYEE agrees that if the EMPLOYER determines that EMPLOYEE has breached
      any of the covenants set forth in Section 7 at any time, the EMPLOYER
      shall have the right, notwithstanding anything herein to the contrary, to
      discontinue any or all amounts otherwise payable to EMPLOYEE hereunder.
      Such termination of employment or discontinuance of payments shall be in
      addition to and shall not limit any and all other rights and remedies that
      the EMPLOYER may have against EMPLOYEE.

b)    Right to Injunction. EMPLOYEE acknowledges that a breach of the covenants
      set forth in Section 7 hereof will cause irreparable damage to the
      EMPLOYER with respect to which the EMPLOYER's remedy at law for damages
      will be inadequate. Therefore, in the event of breach or anticipatory
      breach of the covenants set forth in this section by EMPLOYEE, EMPLOYEE
      and the EMPLOYER agree that the EMPLOYER shall be entitled to the
      following particular forms of relief, in addition to remedies otherwise
      available to it at law or equity: injunctions, both preliminary and
      permanent, enjoining or restraining such breach or anticipatory breach and
      EMPLOYEE hereby consents to the issuance thereof forthwith and without
      bond by any court of competent jurisdiction.

c)    Separability of Covenants. The covenants contained in Section 7 hereof
      constitute a series of separate covenants, one for each applicable State
      in the United States and the District of Columbia, and one for each
      applicable foreign country. If in any judicial proceeding, a court shall
      hold that any of the covenants set forth in Section 7 exceed the time,
      geographic, or occupational limitations permitted by applicable laws,
      EMPLOYEE

                                       4
<PAGE>
      and the EMPLOYER agree that such provisions shall and are hereby reformed
      to the maximum time, geographic, or occupational limitations permitted by
      such laws. Further, in the event a court shall hold unenforceable any of
      the separate covenants deemed included herein, then such unenforceable
      covenant or covenants shall be deemed eliminated from the provisions of
      this Agreement for the purpose of such proceeding to the extent necessary
      to permit the remaining separate covenants to be enforced in such
      proceeding. EMPLOYEE and the EMPLOYER further agree that the covenants in
      Section 7 shall each be construed as a separate agreement independent of
      any other provisions of this Agreement, and the existence of any claim or
      cause of action by Employee against the Company whether predicated on this
      Agreement or otherwise, shall not constitute a defense to the enforcement
      by the Company of any of the covenants in Section 7.

9.    FMCNA DOCUMENTS AND EQUIPMENT. All documents and equipment relating to the
      business of FMCNA, whether prepared by EMPLOYEE or otherwise coming into
      EMPLOYEE's possession, are the exclusive property of FMCNA, and must not
      be removed from the premises of FMCNA except as required in the course of
      employment. Any such documents and equipment must be returned to FMCNA
      when EMPLOYEE leaves the employment of FMCNA.

10.   WITHHOLDING OF TAXES. The EMPLOYER may withhold from any compensation and
      benefits payable under this Agreement all applicable federal, state,
      local, or other taxes.

11.   ENTIRE AGREEMENT AND AMENDMENTS. This Agreement shall constitute the
      entire agreement between the parties and supersedes all existing
      agreements between them, whether oral or written, with respect to the
      subject matter hereof. Any waiver, alteration, or modification of any of
      the provisions of this Agreement, or cancellation or replacement of this
      Agreement shall be accomplished in writing and signed by the respective
      parties.

12.   NOTICES. Any notice, consent, request or other communication made or given
      in connection with this Agreement shall be in writing and shall be deemed
      to have been duly given when delivered or mailed by registered or
      certified mail, return receipt requested, to those listed below at their
      following respective addresses or at such other address as each may
      specify by notice to the others:

                 To the Employer:

                          Fresenius Medical Care North America
                          Corporate Headquarters
                          Two Ledgemont Center
                          95 Hayden Avenue
                          Lexington, MA 02420-9192
                          Attention:  Vice President, Human Resources

                 To Employee:

                          At the address for Employee set forth above

13.   GOVERNING LAW. This Agreement shall be construed in accordance with, and
      the rights of the parties shall be governed by, the laws of the
      Commonwealth of Massachusetts.

14.   SEPARABILITY. If any term or provision of this Agreement is declared
      illegal or unenforceable by any court of competent jurisdiction and cannot
      be modified to be enforceable, such term or provision shall immediately
      become null and void, leaving the remainder of this Agreement in full
      force and effect.

                                       5
<PAGE>
IN WITNESS WHEREOF, the parties have caused this Agreement to be executed by the
undersigned duly authorized persons as of the day and year first stated above.

                            NATIONAL MEDICAL CARE, INC. D/B/A
                            FRESENIUS MEDICAL CARE
WITNESS                     NORTH AMERICA, EMPLOYER

/s/Brian O'Connell          By: /s/Ben J. Lipps                       6/20/03
------------------------       ------------------------------         -------
                                 Ben J. Lipps                         (DATE)
                                 Chief Executive Officer

WITNESS                          ROBERT "RICE" M. POWELL, JR.

/s/Brian O'Connell          /s/ Robert M. Powell, Jr.                 6/20/03
------------------------    ---------------------------------         -------
                            (Employee Signature)                      (DATE)

                                       6

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