Document:

<PAGE>

                                                                   EXHIBIT 10.10

                               HEALTHCENTRAL.COM

                              EMPLOYMENT AGREEMENT
                              --------------------

     This Employment Agreement (the "Agreement") is entered into by and between
                                     ---------
HealthCentral.com (the "Company") and Albert Greene ("Greene") effective as of
                        -------                       ------
the 20th day of May, 1999 (the "Employment Start Date"), provided however that
                                ---------------------
if the Consulting Agreement (defined below) is terminated by either party for
any reason or no reason prior to the Employment Start Date, this Agreement shall
be null, void and of no effect.

     1.   Employment Relationship.  If the Consulting Agreement dated July 1,
          -----------------------
1998 between the Company and Greene (the "Consulting Agreement") has not been
                                          --------------------
terminated prior to the Employment Start Date pursuant to Section 1(c) thereof,
beginning on the Employment Start Date (i) Greene will be employed as a full-
time employee of Company, initially serving as Chief Executive Officer, and (ii)
the Consulting Agreement shall automatically terminate and the terms of Greene's
relationship with the Company shall be governed by this Agreement and not the
Consulting Agreement.  Greene agrees to perform such services as are
commensurate with such a position and as may be required or directed by the
Board of Directors of Company.  Greene agrees to perform such other duties and
responsibilities as may be reasonably required of him by the Board of Directors
of Company.  Greene agrees that, to the best of his ability and experience,
Greene will at all times conscientiously perform all of the duties and
obligations assigned to Greene in accordance with this Agreement.

          (a)   Salary. Beginning on the Employment Start Date, Greene's initial
                ------
monthly base salary as an employee shall be $19,583.33 per month ($235,000 on an
annualized basis), subject to review and adjustment from time to time thereafter
in accordance with the Company's policies. Such salary shall be paid in
accordance with Company's normal payroll practices.

          (b)   Bonus. In addition to the base salary specified in Section 1(a),
                -----
during the first three years of this Agreement, the Company will pay Greene on a
monthly basis a bonus amount, equal to between 30% and 60% of Greene's monthly
base salary (such percentage to be determined upon Greene's achievement of
certain performance milestones as mutually agreed between Greene and the Board
of Directors), provided however that if Greene's employment is terminated for
any reason or no reason, he shall not receive the continued payment of any such
monthly bonus amount.

          (c)   Other Benefits.  After the Employment Start Date, Greene will be
                --------------
entitled to participate in or receive benefits commensurate with Greene's
position and those of similarly situated employees of Company in accordance with
Company's standard employee policies in effect from time to time.  Company may
change, amend, modify or terminate any benefit plan from time to time.

                                       1
<PAGE>

          (d)   Withholding, Etc. Company may make such deductions, withholdings
                ----------------
and other payments from all sums payable pursuant to this Agreement which are
required by law or as Greene requests for taxes and other charges.

          (e)   Termination.  Greene's employment with the Company will be on an
                -----------
"at will" basis, which means that either Greene or Company may terminate
Greene's employment at any time for any reason or no reason, without further
obligation or liability, subject to the terms and conditions of this Agreement.

     2.   Expenses.  The Company will reimburse Greene for reasonable expenses
          --------
actually incurred in connection with his performance of services as an employee,
and evidenced by his submission of receipts.  In addition, Greene will be
entitled to four weeks paid vacation per year, which shall begin to accrue as of
July 1, 1998.  The Company will pay Greene a monthly automobile allowance of
$500.00, a monthly club allowance of $500.00 per month, and his annual YPO dues
for the international and local chapters.

     3.   Supervision of Greene's Services.  All services to be performed by
          --------------------------------
Greene will be as agreed between Greene and the Company's Board of Directors.
Greene will be required to report to the Board of Directors concerning the
services performed under this Agreement.  The nature and frequency of these
reports will be left to the discretion of the Board of Directors.

     4.   Non-Competition.  While Greene is providing employment services
          ---------------
hereunder and except for such activities, if any, as may be set forth in Exhibit
                                                                         -------
A attached hereto or as may hereafter be consented to by Company in its sole
-
discretion, Greene will not engage in any other business or render any
commercial or professional services, directly or indirectly, to any other person
or organization, whether for compensation or otherwise, provided that Greene may
(i) provide incidental assistance to family members on matters of family
business, and (ii) sit on the boards of charitable and nonprofit organizations
which do not compete with Company, provided in each case that such activities do
not conflict with or interfere with Greene's obligations to Company. Greene may
make personal investments in nonpublicly traded corporations, partnerships or
other entities, which do not at the time of such investment provide health
information, products and services directly to the general public (including
linkages between consumers and health providers, payors and ancillary entities)
in various media, including but not limited to radio, television, internet,
interactive television, interactive cable and satellite (the foregoing
description of business activities and markets shall be referred to in this
Agreement as "Competitive Businesses"). Notwithstanding anything to the
              ----------------------
contrary contained in this Agreement, Greene may make personal investments in
publicly traded corporations regardless of the business they are engaged in,
provided that Greene does not at any time own in excess of 1% of the issued and
outstanding stock of any such publicly traded corporation that is engaged in any
Competitive Businesses.

     5.   Place of Employment.  During the term of this Agreement, Greene shall
          -------------------
render his services principally at the principal executive offices of Company
(Company currently anticipates that such offices will be relocated).  In
addition, Greene shall do such traveling as shall be reasonably necessary in
connection with his duties and responsibilities hereunder.

                                       2
<PAGE>

     6.   Confidentiality Agreement.  Greene shall sign, or has signed, a
          -------------------------
Confidential Information and Invention Assignment Agreement substantially in the
form attached to this Agreement as Exhibit B (the "Proprietary Information
                                   ---------       -----------------------
Agreement"), prior to or on the date on which Greene's consulting relationship
---------
with the Company commences.

     7.   Conflicts with this Agreement.  Greene represents and warrants that
          -----------------------------
Greene is not under any pre-existing obligation in conflict or in any way
inconsistent with the provisions of this Agreement.  Greene warrants that Greene
has the right to disclose or use all ideas, processes, techniques and other
information, if any, which Greene has gained from third parties, and which
Greene discloses to the Company in the course of performance of this Agreement,
without liability to such third parties.  Greene represents and warrants that
Greene has not granted any rights or licenses to any intellectual property or
technology that would conflict with Greene's obligations under this Agreement.
Greene will not knowingly infringe upon any copyright, patent, trade secret or
other property right of any former client, employer or third party in the
performance of the services required by this Agreement.

     8.   Severance.  If, during the period beginning on the Employment Start
          ---------
Date and ending on the later of:  (i) one year after the date a merger between
the Company and Windom Health Enterprises (the "Merger") is consummated, or (ii)
                                                ------
one year after the earlier of:  (A) the date the merger agreement relating to
the Merger is terminated, or (B) the letter of intent relating to the Merger is
terminated (the "Severance Period"), Greene's employment is terminated by the
                 ----------------
Company or its successor for any reason other than Cause (as defined below), as
determined by the Company's Board of Directors, Green will be entitled to
receive continued payment of his monthly base salary on a monthly basis, for
each remaining month in the Severance Period (subject to proration for any
remaining partial month) (the "Severance"), subject to Greene's continued
                               ---------
compliance with all the terms of the Proprietary Information Agreement, the Non-
Competition Agreement and the surviving terms of this Agreement.

     9.   Definition of "Cause."  As used in this Agreement, the term "Cause"
          --------------------
shall mean:

          (a)   Greene personally engaging in knowing and intentional illegal
conduct which is seriously injurious to Company or its affiliates;

          (b)   Greene being convicted of a felony, or committing an act of
dishonesty or fraud against, or the misappropriation of property belonging to,
Company or its affiliates;

          (c)   The performance by Greene of those acts identified in Section
2924 of the California Labor Code;

          (d)   Greene knowingly and intentionally breaching any material term
of this Agreement, the Proprietary Information or the Non-Competition Agreement;

          (e)   Greene's commencement of employment with another employer while
he is an employee of Company; or

                                       3
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          (f)   any material breach by Greene of any material provision of this
Agreement, the Proprietary Information Agreement or the Non-Competition
Agreement which continues uncured for 30 days following notice thereof.

     10.  Miscellaneous.
          -------------

          (a)   Amendments and Waivers. Any term of this Agreement may be
                ----------------------
amended or waived only with the written consent of the parties.

          (b)   Sole Agreement.  This Agreement, including the Exhibits hereto,
                --------------
constitutes the sole agreement of the parties and supersedes all oral
negotiations and prior writings with respect to the subject matter hereof.

          (c)   Notices. Any notice required or permitted by this Agreement
                -------
shall be in writing and shall be deemed sufficient upon receipt, when delivered
personally or by courier, overnight delivery service or confirmed facsimile, or
forty-eight (48) hours after being deposited in the regular mail as certified or
registered mail (airmail if sent internationally) with postage prepaid, if such
notice is addressed to the party to be notified at such party's address or
facsimile number as set forth below, or as subsequently modified by written
notice.

          (d)   Choice of Law.  The validity, interpretation, construction and
                -------------
performance of this Agreement shall be governed by the laws of the State of
California, without giving effect to the principles of conflict of laws.

          (e)   Severability.  If one or more provisions of this Agreement are
                ------------
held to be unenforceable under applicable law, the parties agree to renegotiate
such provision in good faith.  In the event that the parties cannot reach a
mutually agreeable and enforceable replacement for such provision, then (i) such
provision shall be excluded from this Agreement, (ii) the balance of the
Agreement shall be interpreted as if such provision were so excluded and (iii)
the balance of the Agreement shall be enforceable in accordance with its terms.

          (f)   Counterparts.  This Agreement may be executed in counterparts,
                ------------
each of which shall be deemed an original, but all of which together will
constitute one and the same instrument.

          (g)   Arbitration.   Any dispute or claim arising out of or in
                -----------
connection with any provision of this Agreement, will be finally settled by
binding arbitration in Santa Clara County or San Mateo County, California in
accordance with the rules of the American Arbitration Association by one
arbitrator appointed in accordance with said rules.  The arbitrator shall apply
California law, without reference to rules of conflicts of law or rules of
statutory arbitration, to the resolution of any dispute.  Judgment on the award
rendered by the arbitrator may be entered in any court having jurisdiction
thereof.  Notwithstanding the foregoing, the parties may apply to any court of
competent jurisdiction for preliminary or interim equitable relief, or to compel
arbitration in accordance with this paragraph, without breach of this
arbitration provision.  This subsection shall not apply to the Proprietary
Information Agreement.

                                       4
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          (h)   Advice of Counsel.  EACH PARTY ACKNOWLEDGES THAT, IN EXECUTING
                -----------------
THIS AGREEMENT, SUCH PARTY HAS HAD THE OPPORTUNITY TO SEEK THE ADVICE OF
INDEPENDENT LEGAL COUNSEL, AND HAS READ AND UNDERSTOOD ALL OF THE TERMS AND
PROVISIONS OF THIS AGREEMENT.  THIS AGREEMENT SHALL NOT BE CONSTRUED AGAINST ANY
PARTY BY REASON OF THE DRAFTING OR PREPARATION HEREOF.

          (i)   Surviving Terms.  Sections 6, 9 and 10 of this Agreement shall
                ---------------
survive the termination of this Agreement for any reason or no reason.  The
Proprietary Information Agreement and Non-Competition Agreement shall survive
the termination of this Agreement.

                            [Signature Page Follows]

                                       5
<PAGE>

     The parties have executed this Agreement on the respective dates set forth
below.

                                    HEALTHCENTRAL.COM

                                    By: /s/ James Hornthal
                                       ___________________________________
                                       Name:______________________________
                                       Title:_____________________________

                                    Address:  2600 Tenth St., Suite 400
                                           Berkeley, CA  94710

                                    Date:_________________________________

                                     /s/ Albert Greene
                                    ______________________________________
                                    Albert Greene

                                    Address:______________________________

                                    Date:_________________________________

            SIGNATURE PAGE TO HEALTHCENTRAL.COM EMPLOYMENT AGREEMENT

                                       6
<PAGE>

                                   EXHIBIT A
                                   ---------

                              PERMITTED ACTIVITIES
                              --------------------

1.   Member of Board of Directors of Acuson - paid monthly stipend

2.   Member of Board of Directors of Quadramed - stock options

3.   Consultant to Sutter Health and its affiliates

                                       7
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                                   EXHIBIT B
                                   ---------

                          CONFIDENTIAL INFORMATION AND
                         INVENTION ASSIGNMENT AGREEMENT
                         ------------------------------

                                       8
<PAGE>

                       AMENDMENT OF EMPLOYMENT AGREEMENT

     This Amendment of Employment Agreement (the "Amendment") is made  this ___
day of June, 2000 by and between Albert Greene ("Greene") and HealthCentral.com,
                                                 ------
a Delaware corporation ("HealthCentral").
                         -------------

     WHEREAS Greene and HealthCentral entered into an Employment Agreement
effective August 16, 1999 attached as Exhibit A (the "Employment Agreement") and
                                      ---------       --------------------
a Change of Control Agreement effective May 20, 1999 attached as Exhibit B (the
                                                                 ----------
"Change of Control Agreement"), and the parties wish to amend the Employment
 ---------------------------
Agreement and make certain clarifications to the Change of Control Agreement.

The parties agree as follows:

1.   Amendment of Employment Agreement.   Section 8 of the Employment Agreement
     ---------------------------------
is hereby amended in its entirety to read as follows:

     "8.  Severance.  If Greene's employment is terminated by the Company or its
          ---------
successor for any reason other than Cause (as defined below), as determined by
the Company's Board of Directors,

          (a)   Greene will be entitled to receive (i) continued payment of his
     monthly base salary on a monthly basis, for twelve months after his
     termination by the Company (the "Severance Period"), subject to proration
                                      ----------------
     for any remaining partial month, plus (ii) a monthly payment equal to the
     quotient of: (A) the total amount of bonus paid to Greene by HealthCentral
     during the shorter of: (1) the period from August 12, 1998 through the date
     of termination or (2) the thirty six month period prior to the termination
     date (eg if the termination date was November 27, 2001, the thirty six
     month period would be the period from November 27, 1998 through November
     26, 2001), divided by (A) in the case of (1), the number of months in the
     period from August 12, 1998 through the date of termination, subject to
     proration for any partial month included therein, or (B) in the case of
     (2), thirty six (such payments described in (i) and (ii) are collectively
     the "Severance"), provided however that, notwithstanding the above,
          ---------    ----------------

                (i)    if Greene begins rendering services as an employee or
     consultant in excess of twenty (20) hours per week to any person or entity
     during the Severance Period, then the monthly Severance payment shall be
     reduced by the amount of Greene's new monthly base salary or consultancy
     fee, and target bonus (prorated monthly), if any,

                (ii)   if Greene begins rendering services as an employee or
     consultant to (A) a pharmacy or retail drugstore business (including but
     not limited to a business involved in the provision of prescription, over-
     the-counter and health and beauty products) that operates interactively
     over the Internet, or (B) a business that provides health information and
     products to the general public (including linkages between

                                       9
<PAGE>

     consumers and health providers, payors and ancillary entities) in various
     communications media, including but not limited to internet, interactive
     television, interactive cable and satellite, then the Company will cease
     making Severance payments at that time,

                (iii)  if Greene fails to comply with all the terms of the
     Proprietary Information Agreement, the Non-Competition Agreement and the
     surviving terms of this Agreement,  the Company will cease making Severance
     payments at that time, and

                (iv)   if Greene's termination is in connection with a Change of
     Control of HealthCentral (as defined in the Change of Control Agreement)
     and if Greene is requested by HealthCentral or the acquiring entity to aid
     in the transition of such Change of Control, then, as a condition to the
     receipt of any Severance payments, Greene shall provide such transition
     services as may be reasonably requested by HealthCentral and/or the
     acquiring entity for a period of up to six months after a Change of
     Control.

     (b)  the Company will pay Greene's COBRA payments during the Severance
Period if Greene elects to continue Greene's health insurance benefits under
COBRA with the same coverage provided to Greene and Greene's dependents prior to
the termination (e.g. medical, dental, optical, mental health) and in all other
respects significantly comparable to those in place immediately prior to the
termination."

2.   Clarification of Change of Control Agreement.    The parties hereby wish to
     -----------------------------------------------
clarify the following provisions of the Change of Control Agreement.

     (a)  Applies to options granted and shares issued prior to June 1, 2000.
          -------------------------------------------------------------------
The Change of Control Agreement and the September 1999 Board Resolutions (as
defined below) apply only to options granted and shares issued to Greene prior
to June 1, 2000.  If Greene is granted any additional options or receives any
direct issuance of shares after June 1, 2000, those shares and/or options, if
any, shall not be subject to any acceleration in connection with a Change of
Control.

     (b)  Interpretation of Involuntary Termination.  To clarify the definition
          ------------------------------------------
of Involuntary Termination contained in Section 5(d)(i) of the Change of Control
Agreement, the parties hereby agree that if, as a result of a Change of Control,
Greene becomes the senior executive of the ehealth business unit that includes
the majority of the Company's existing business lines, such change in duties
shall not constitute a "significant reduction of duties, authority or
responsibilities" that would constitute an Involuntary Termination under the
Change of Control Agreement.

     (c)  September 23, 1999 Board Resolutions. The parties hereby agree that if
          -------------------------------------
Greene would receive more favorable acceleration of vesting of his options and
shares in connection with a Change of Control pursuant to certain resolutions
adopted by the Board of Directors of HealthCentral at a meeting dated September
23, 1999, attached hereto as Exhibit C (the "September 1999 Board Resolutions")
                             ---------
rather than the Change of Control Agreement, then the

                                       10
<PAGE>

acceleration of vesting of Greene's stock and options shall be governed by the
September 1999 Board Resolutions and not the Change of Control Agreement.

                                       11
<PAGE>

     As amended hereby, the Employment Agreement shall continue in full force
and effect.  The parties have executed this Amendment with an effective date as
above written.

                                        HEALTHCENTRAL.COM

                                        By:  /s/ Robin Wolaner
                                            ______________________________
                                              Name:_______________________
                                              Title: Director
                                                     ____________________

                                        ALBERT GREENE

                                         /s/ Albert Greene
                                        ______________________________

                                       12<PAGE>

                                                                   Exhibit 10.31

                             EMPLOYMENT AGREEMENT

     THIS EMPLOYMENT AGREEMENT ("Agreement") is made as of March 15, 2000, but
                                 ---------
is only effective as of the Effective Date (as defined below), by and among
HealthCentral.com, a Delaware corporation ("HCC"), Vitamins.com, Inc., a
Delaware corporation ("VC"), and Robert M. Haft ("Employee").
                                                  --------

                                  BACKGROUND

     This Agreement is entered into in connection with and is ancillary to an
Agreement and Plan of Reorganization and Merger (the "Plan"), dated as of March
                                                      ----
15, 2000 among HCC, Acquisition Corp., a Delaware corporation and wholly owned
subsidiary of HCC ("Acquisition Corp"), and VC, pursuant to which Acquisition
                    ----------------
Corp is to merge with and into VC (the "Merger"), VC will continue as the
                                        ------
surviving corporation in the merger, and the shares of VC capital stock
outstanding immediately prior to the effective time of the merger will be
converted into shares of HCC Common Stock.  The date on which the Merger becomes
effective will be the effective date of this Agreement (the "Effective Date").
                                                             --------------

     In consideration for HCC's entering into and performing under the Plan,
Employee has agreed to concurrently enter into the Confidentiality Agreement and
the Non-Competition Agreement (as provided in Section 5).

     VC and HCC are sometimes together referred to herein as the "Company".

     NOW, THEREFORE, in consideration of the foregoing and the mutual agreements
of the parties contained herein, HCC and Employee hereby agree as follows:

     1.  Duties.  Employee will be employed as a full-time employee of HCC and
         ------
initially will serve as its President of VC, and agrees to perform such services
as are commensurate with such a position and as may be reasonably required or
directed by the Chief Executive Officer of HCC.  Employee agrees to perform such
other duties and responsibilities, commensurate with Employee's position, as may
be reasonably required of him by the Chief Executive Officer of HCC.  Employee
agrees that, to the best of Employee's ability and experience, Employee will at
all times conscientiously perform all of the duties and obligations assigned to
Employee in accordance with this Agreement.

     2.  Full-Time Employment.  Employee's employment will be on a full-time
         --------------------
basis, in accordance with standard employee policies for HCC.  Except for such
activities, if any, as may be set forth in Schedule 1 attached hereto or as may
hereafter be consented to by HCC in its sole discretion, during Employee's
employment hereunder, Employee will not engage in any other business or render
any commercial or professional services, directly or indirectly, to any other
person or organization, whether for compensation or otherwise, provided that
Employee may (i) provide incidental assistance to family members on matters of
family business, and (ii) sit on the boards of charitable and nonprofit
organizations which do not compete with HCC,  provided in each case that such
activities do not conflict with or materially interfere with Employee's
obligations to HCC.  Employee may make personal investments in nonpublicly
traded
<PAGE>

corporations, partnerships or other entities, which are not engaged in: (i) a
pharmacy or retail drugstore business (including but not limited to a business
involved in the provision of prescription, over-the-counter and health and
beauty products) that operates interactively via electronic media, including
over the Internet or (ii) a business, other than a manufacturing business, that
provides health information, products and services directly to the general
public (including linkages between consumers and health providers, payors and
ancillary entities) in various communications media, including but not limited
to radio, television, Internet, interactive television, interactive cable and
satellite (the foregoing description of business activities and markets shall be
referred to in this Agreement as "Competitive Businesses"). Notwithstanding
                                  ----------------------
anything to the contrary contained in this Agreement, Employee may make personal
investments in publicly traded corporations regardless of the business they are
engaged in, provided that Employee does not at any time own in excess of 1% of
the issued and outstanding stock of any such publicly traded corporation that is
engaged in any Competitive Businesses.

     3.  Place of Employment.  During the term of employment, Employee shall
         -------------------
render his services principally at the principal executive offices of the
Company, as mutually agreed.  In addition, Employee shall do such traveling as
shall be reasonably necessary in connection with his duties and responsibilities
hereunder.

     4.  Compensation.
         ------------

         (a) Salary.  Employee's initial monthly base salary rate shall be
             ------
$12,500 per month (the "Monthly Base Salary") ($150,000 on an annualized basis),
                        -------------------
subject to review and increase from time to time thereafter in accordance with
the Company's policies.  Such salary shall be paid in accordance with the
Company's normal payroll practices.

         (b) Business Expenses.  The Company shall reimburse Employee for all
             -----------------
reasonable business expenses incurred by Employee in the course of performing
services for the Company under this Agreement in accordance with the Company's
then existing policy relating to reimbursement of business expenses for the
Company's employees.

         (c) Other Benefits.  Employee will be entitled to participate in or
             --------------
receive benefits commensurate with Employee's position and those of similarly
situated employees of HCC in accordance with HCC's standard employee policies in
effect from time to time.  HCC may change, amend, modify or terminate any
benefit plan from time to time.

         (d) Withholding, Etc.  The Company may make such deductions,
             ----------------
withholdings and other payments from all sums payable pursuant to this Agreement
which are required by law or as Employee requests in writing for taxes and other
charges.

         (e) Vacation.  Employee shall be entitled to no less than three weeks
             --------
of paid vacation or personal time off during each full calendar year of his
employment hereunder (and a pro rata portion thereof for any period of such
employment that is less than a full calendar year) or such greater amount of
vacation, personal and other leave as HCC provides to similarly situated
employees of HCC.

                                      -2-
<PAGE>

     5.  Confidentiality.  Simultaneously with the execution of this Agreement,
         ---------------
Employee is executing and delivering and hereby adopts and agrees to be bound by
the form of Confidential Information and Invention Assignment Agreement attached
hereto as Schedule 2 (the "Confidentiality Agreement").
                           -------------------------

     6.  Termination.  Employee's employment with the Company will be on an "at
         -----------
will" basis, which means that either Employee or HCC may terminate Employee's
employment at any time for any reason or no reason, without further obligation
or liability, subject to the terms and conditions of this Agreement.  Except in
the case of Employee's fraud or theft or misappropriation of Company property,
the Company's sole recourse against Employee for breaches under this Agreement
shall be to exercise its right to terminate Employee's employment with the
Company.  In particular,

         (a) Employee's employment shall terminate upon the death of Employee.

         (b) The Company may terminate Employee's employment by written notice
to Employee in the event Employee is unable, for a period of three or more
consecutive months or 150 calendar days during any consecutive twelve-month
period, due to illness, accident or other physical or mental incapacity, to
perform his duties hereunder.

         (c) The Company may terminate Employee's employment for "Cause" (as
                                                                  -----
defined below) by written notice to Employee.

         (d) The Company may terminate Employee's employment for any other
reason by written notice to Employee.

         (e) Employee may terminate Employee's employment for any reason at any
time by written notice to the Company.

         (f) The Confidentiality Agreement, the Non-Competition Agreement
executed by the Employee concurrently herewith and Sections 5, 6, 7, 8 and 9 of
this Agreement shall survive the termination of this Agreement as a result of
the termination of Employee's employment for any reason.

     7.  Definition of "Cause."  As used in this Agreement, the term "Cause"
         --------------------                                         -----
shall mean:

         (a) Employee personally engaging in knowing and intentional illegal
conduct which is seriously injurious to HCC or its affiliates;

         (b) Employee being convicted of a felony, or committing a material act
of dishonesty or fraud against, or the material misappropriation of property
belonging to, HCC or its affiliates;

         (c) Employee habitually neglecting his duties hereunder,

         (d) Employee knowingly and intentionally breaching any material term
of this Agreement, the Confidentiality Agreement or the Noncompetition Agreement
executed by the

                                      -3-
<PAGE>

Employee concurrently herewith (the "Noncompetition Agreement");

         (e) Employee's commencement of employment with another employer while
he is an employee of HCC; or

         (f) any material breach by Employee of any material provision of this
Agreement or the Confidentiality Agreement or the Non-Competition Agreement
executed by the Employee concurrently herewith which continues incurred for
thirty (30) days following notice thereof.

     8.  Severance Payment.  If HCC terminates Employee's employment pursuant to
         -----------------
Section 6(d) during the period beginning on the Effective Date and ending one
year thereafter (the "Severance Period"), then HCC will pay Employee on a
                      ----------------
monthly basis and at a monthly rate the Monthly Base Salary for the greater of
(i) six (6) months or (ii) each month remaining in the Severance Period (subject
to proration for any partial month so remaining), subject to Employee's
continued compliance with all the terms of the Confidentiality Information and
the Non-Competition Agreement and the surviving terms of this Agreement, and
provided, however, that if Employee begins rendering services as an employee or
--------  -------
consultant in excess of thirty (30) hours per week to any person or entity
during the Severance Period and receives salary for such services, then the
Company will cease making such severance payments at such time.  Employee has no
obligation to seek employment during the Severance Period.

     9.  Miscellaneous.
         -------------

         (a) Notices.  Any and all notices permitted or required to be given
             -------
under this Agreement must be in writing.  Notices will be deemed given (i) when
personally received or when sent by facsimile transmission (as evidenced by the
sender's confirmation receipt), (ii) on the first business day after having been
sent by commercial overnight courier with written verification of receipt, or
(iii) seventy-two (72) hours after having been sent by registered or certified
mail from a location on the United States mainland, return receipt requested,
postage prepaid, whichever occurs first, at the address set forth below or at
any new address, notice of which will have been given in accordance with this
Section 9(a):

         If to HCC:

                HealthCentral.com
                6001 Shellmound Street, Suite 800
                Emeryville, CA  94608
                Attn:  Chief Executive Officer

         If to Employee:

                Robert M. Haft

                                      -4-
<PAGE>

          with a copy to:

                Venable, Baetjer, Howard and Civiletti, LLP
                1615 L Street, N.W., Suite 400
                Washington, D.C. 20036
                Attn: Michael A. Schlesinger
                Tel. No. (202) 429-3288
                Facsimile No. (202) 429-3231

          (b) Entire Agreement; Amendments. This Agreement, the Confidentiality
              ----------------------------
Agreement and the Noncompetition Agreement contain the entire agreement and
supersede and replace all prior agreements between HCC or Company and Employee
concerning the subject matter contained in this Agreement. This Agreement may
not be changed or modified in whole or in part except by a writing signed by the
party against whom enforcement of the change or modification is sought.

          (c) Successors and Assigns.  This Agreement will not be assignable by
              ----------------------
either Employee or HCC, except that the rights and obligations of HCC under this
Agreement may be assigned to a corporation which becomes the successor or HCC to
HCC or Company as the result of a merger or other change of control in the
ownership of HCC or Company.

          (d) Governing Law.  This Agreement will be governed by and interpreted
              -------------
according to the substantive laws of the State of Delaware without regard to
such state's conflicts law.  Each party hereto agrees to submit to the
jurisdiction of the state and Federal courts located within the State of
Delaware and agrees that venue for any dispute hereunder shall lie exclusively
in such courts.

          (e) No Waiver.  The failure of either party to insist on strict
              ---------
compliance with any of the terms of this Agreement in any instance or instances
will not be deemed to be a waiver of any term of this Agreement or of that
party's right to require strict compliance with the terms of this Agreement in
any other instance.

          (f) Severability.  Employee and HCC recognize that the limitations
              ------------
contained herein are reasonably and properly required for the adequate
protection of the interests of HCC.  If for any reason a court of competent
jurisdiction or binding arbitration proceeding finds any provision of this
Agreement, or the application thereof, to be unenforceable, the remaining
provisions of this Agreement will be interpreted so as best to reasonably effect
the intent of the parties.  The parties further agree that the court or
arbitrator shall replace any such invalid or unenforceable provisions with valid
and enforceable provisions designed to achieve, to the extent possible, the
business purposes and intent of such unenforceable provisions.

          (g) Counterparts.  This Agreement may be executed in counterparts
              ------------
which when taken together will constitute one instrument. Any copy of this
Agreement with the original signatures of all parties appended will constitute
an original.

                                      -5-
<PAGE>

     (h) Attorneys' Fees.  In the event any dispute arises hereunder the court
         ---------------
shall have the authority to award costs and attorneys' fees to the prevailing
party.

     IN WITNESS WHEREOF, this Agreement is made and effective as of the
Effective Date.

HEALTHCENTRAL.COM                       EMPLOYEE

By: /s/ Albert L. Greene                 /s/ Robert M. Haft
   ------------------------------       -----------------------------------
                                        ROBERT M. HAFT
Title: President and CEO
      ---------------------------

VITAMINS.COM, INC.

By: /s/ Robert M. Haft
   ------------------------------

Title: President
      ---------------------------

                                      -6-
<PAGE>

                                  SCHEDULE 1

                             PERMITTED ACTIVITIES

Robert M Haft Insurance Trust 1986
RMH Investment Associates LLC
ROBERT HAFT CAPITAL L.L.C.
ROBERT HAFT GROUP L.L.C.
Home Health L.L.C
Jefferson Chase LLC
Colby Bartlett LLC
Hamilton Morgan LLC
Cropexchange.com
Claimjump.com
Intrepid Connecticut Ave. L.L.C.
Intrepid C Street L.L.C.

                                      -7-
<PAGE>

                                  SCHEDULE 2

                           CONFIDENTIALITY AGREEMENT

                                      -8-
<PAGE>

                                  SCHEDULE 3

                           NONCOMPETITION AGREEMENT

                                      -9-

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