Document:

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                                                                   EXHIBIT 10.34
December 4, 1999

Richard Owen

Dear Richard:

     On behalf of AvantGo, Inc. (the "Company"), I am pleased to offer you the
                                      -------
position Chief Executive Officer of the Company. You will also be given a seat
on the Company's Board. Speaking for myself, as well as the other members of the
Company's Board of Directors, we all look forward to your future success in this
position.

     The terms of your new position with the Company are as set forth below:

     1.   Position.
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          (a)  You will become Chief Executive Officer of the Company. As Chief
Executive Officer. You will report to the Company's Board of Directors.

          (b)  You agree to the best of your ability and experience that you
will at all times loyally and conscientiously perform all of the duties and
obligations required of and from you pursuant to the express and implicit terms
hereof, and to the reasonable satisfaction of the Company. During the term of
your employment, you further agree that you will devote all of your business
time and attention to the business of the Company, the Company will be entitled
to all of the benefits and profits arising from or incident to all such work
services and advice, you will not render commercial or professional services of
any nature to any person or organization, whether or not for compensation,
without the prior written consent of the Company's Board of Directors, and you
will not directly or indirectly engage or participate in any business that is
competitive in any manner with the business of the Company. Nothing in this
letter agreement will prevent you from accepting speaking or presentation
engagements in exchange for honoraria or from serving on boards of charitable
organizations, or from owning no more than one percent (1%) of the outstanding
equity securities of a corporation whose stock is listed on a national stock
exchange.

     2.   Start Date. Subject to fulfillment of any conditions imposed by
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this letter agreement, you will commence this new position with the Company on
or before February 1, 2000.

     3.   Proof of Right to Work. For purposes of federal immigration law, you
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will be required to provide to the Company documentary evidence of your identity
and eligibility for employment in the United States. Such documentation must be
provided to us within three (3) business days of your date of hire. or our
employment relationship with you may be terminated.

     4.   Compensation. You will be paid a monthly salary of $20,833.33, which
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is equivalent to $250.000.00 on an annualized basis. Your salary will be payable
in two equal payments per month pursuant to the Company's regular payroll
policy.
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          In addition to your base salary, you will be eligible to receive up to
an additional $100,000.00 annually in bonuses, half of which would be paid upon
your achieving objectives that are mutually agreed upon by you and the Board of
Directors. and half of which would be paid upon your exceeding those objectives,
Your target annual cash compensation is $300,000.00.

          You will also be eligible for retirement, medical and dental benefits
under the benefits plan provided by the Company for its employees.

          The Company will also reimburse you for relocation expenses up to a
maximum of $100,000.00. If you voluntarily terminate your employment with the
company, or if you are terminated for Cause, within 12 months of your start
date, you agree to reimburse the Company for the relocation expenses paid by the
Company on or before your final day of employment.

          "Cause" shall mean (i) gross negligence or willful misconduct in the
performance of your duties to the Company that has resulted in or is likely to
result in substantial and material damage to the Company or its subsidiaries,
(ii) repeated unexplained or unjustified absence from the Company, (iii) a
material and willful violation of any federal or state law, (iv) commission of
any act of fraud with respect to the Company, or (v) conviction of a felony or a
crime involving moral turpitude causing material harm to the standing and
reputation of the Company, in each case as determined in good faith by the Board
of Directors of the Company.

          5.  Common Stock Purchase Right. In connection with the commencement
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of your employment, the Company will recommend that the Board of Directors grant
you an option to purchase 1,800,000 shares of the Company's Common Stock
("Shares") under its 1997 Stock Option Plan, at a purchase price equal to the
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fair market value on the date of your acceptance of this offer as determined in
good faith by the Board of Directors of the Company. These Shares will be
subject to the Company's right of repurchase in the event of the termination of
your employment with the Company, This repurchase right will lapse as to 1/4th
on the first anniversary of the date of grant and shall lapse as to 1/48th of
the total number of Shares each month thereafter, The Company's repurchase right
will continue to lapse only so long as you continue to be employed by the
Company. The option will be an incentive stock option to the maximum extent
allowed by applicable law and will be subject to the terms of the Company's 1997
Stock Option Plan and the Stock Option Agreement between you and the Company.

          6.  Confidential Information and Invention Assignment Agreement. Your
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acceptance of this offer and commencement of employment with the Company is
contingent upon the execution, and delivery to an officer of the Company, of the
Company's Confidential Information and Invention Assignment Agreement, a copy of
which is enclosed for your review and execution (the "Confidentiality
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Agreement"), prior to or on your Start Date.
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          7.  Confidentiality of Terms. You agree to follow the Company's strict
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policy that employees must not disclose, either directly or indirectly, any
information, including any of the terms of this agreement, regarding salary,
bonuses, or stock purchase or option allocations to any person, including other
employees of the Company; provided, however, that you may discuss such terms
with members of your immediate family and any legal, tax or accounting
specialists who provide you with individual legal, tax or accounting advice.

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          8.  At-Will Employment. Your employment with the Company will be on an
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"at will" basis, meaning that either you or the Company may terminate your
employment at any time for any reason or no reason, without further obligation
or liability.

We are all delighted to be able to extend you this offer until noon on December
6, 1999 and look forward to working with you. To indicate your acceptance of the
Company's offer, please sign and date this letter in the space provided below
and return it to me, along with a signed and dated copy of the Confidentiality
Agreement. This letter, together with the Confidentiality Agreement, set forth
the terms of your employment with the Company and supersede any prior
representations or agreements, whether written or oral. This letter may not be
modified or amended except by a written agreement, signed by the Company and by
you.

                                    Very truly yours,

                                    AVANTGO, INC.

                                    By: /s/ Felix Lin
                                       --------------

                                    Title: Chief Executive Officer

ACCEPTED AND AGREED:

RICHARD OWEN

/s/ Richard Owen
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Signature

Feb 16, 2000
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Date

Enclosure:  Confidential Information and Invention Assignment Agreement

                                       3<PAGE>

                                                                   EXHIBIT 10.35

                                 AVANTGO, INC.
                                 ------------

                             CONSULTING AGREEMENT
                             --------------------

     This Consulting Agreement (the "Agreement") is entered into by and between
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AvantGo, Inc. (the "Company") and R.B. Webber & Company ("Consultant").
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     1.   Consulting Relationship. During the term of this agreement, Consultant
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will provide consulting services (the "Services") to the Company as described on
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Exhibit A attached to this Agreement. Consultant shall use Consultant's best
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efforts to perform the Services in a manner satisfactory to the Company.

     2.   Fees. As consideration for the Services to be provided by Consultant
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and other obligations, the Company will compensate Consultant as described in
Exhibit B to this Agreement.
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     3.   Expenses. Consultant shall not be authorized to incur on behalf of the
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Company any expenses, except as expressly specified in Exhibit B, without the
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prior written consent of the Company's Chief Executive Officer. As a condition
to receipt of reimbursement, Consultant shall be required to submit to the
Company reasonable evidence that the amount involved was expended and related to
Services provided under this Agreement.

     4.   Term and Termination. Consultant shall serve as a consultant to the
          --------------------
Company for a period commencing on March 31, 1998, and terminating on the
earlier of the date on which (a) Consultant ceases to provide services to the
Company under this Agreement, (b) Consultant shall have been paid the maximum
amount of consulting fees as provided in Exhibit B, or (c) within 30 days of a
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notice of cancellation by either the Company or the Consultant.
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     Either party may terminate this Agreement at any time upon ten (10) days'
written notice.

     5.   Independent Contractor. Consultant's relationship with the Company
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will be that of an independent contractor and not that of an employee.
Consultant will not be eligible for any employee benefits, nor will the Company
make deductions from payments made to Consultant for taxes, all of which will be
Consultant's responsibility. Consultant agrees to indemnify and hold the Company
harmless from any liability for, or assessment of, any such taxes imposed on the
Company by relevant taxing authorities. Consultant will have no authority to
enter into contracts that bind the Company or create obligations on the part of
the Company without the prior written authorization of the Company.

     6.   Supervision of Consultant's Services. All services to be performed by
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Consultant, including but not limited to the Services, will be as agreed between
Consultant and the Company's Director of Marketing. Consultant will be required
to report to the Director of Marketing concerning the Services performed under
this Agreement. The nature and frequency of these reports will be left to the
discretion of the Director of Marketing.

     7.   Consulting or Other Services for Competitors. Consultant represents
          --------------------------------------------
and warrants that Consultant will not, during the term of this Agreement,
perform any consulting or other services for any company, person or entity whose
business or proposed business in any way involves products or services which
could reasonably be determined to be competitive with the products or services
or proposed products or services of the Company.
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     8.   Confidentiality Agreement. Consultant shall sign, or has signed, a
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Proprietary Information and Invention Assignment Agreement substantially in the
form attached to this Agreement as Exhibit C (the "Confidentiality Agreement"),
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prior to or on the date on which Consultant's consulting relationship with the
Company commences. In the event that Consultant is an entity or otherwise will
be causing individuals in its employ or under its supervision to participate in
the rendering of the Services, Consultant warrants that it shall cause each of
such individuals to execute a Confidentiality Agreement in the form attached as
Exhibit C.
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     9.   Conflicts with this Agreement. Consultant represents and warrants that
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neither Consultant nor any of Consultant's partners, employees or agents is
under any pre-existing obligation in conflict or in any way inconsistent with
the provisions of this Agreement. Consultant warrants that Consultant has the
right to disclose or use all ideas, processes, techniques and other information,
if any, which Consultant has gained from third parties, and which Consultant
discloses to the Company in the course of performance of this Agreement, without
liability to such third parties. Consultant represents and warrants that
Consultant has not granted any rights or licenses to any intellectual property
or technology that would conflict with Consultant's obligations under this
Agreement. Consultant 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.

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

          (b)  Sole Agreement. This Agreement, including the Exhibits hereto,
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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
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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
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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
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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,
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each of which shall be deemed an original, but all of which together will
constitute one and the same instrument.

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          (g)  Arbitration. Any dispute or claim arising out of or in connection
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with any provision of this Agreement, excluding Section 7 hereof, will be
finally settled by binding arbitration [in San Jose, 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 Section 10(g) shall not apply to the Confidentiality
Agreement.

          (h)  Advice of Counsel. EACH PARTY ACKNOWLEDGES THAT, IN EXECUTING
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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.

                           [Signature Page Follows]

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<PAGE>

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

                                   AVANTGO, INC.

                                   By: /s/ [ILLEGIBLE]^^
                                       --------------------------------------

                                   Title: Dir. of Mktg
                                          -----------------------------------

                                   Address: 1650 South Amphlett Boulevard
                                            Suite 212
                                            San Mateo, CA 94402

                                   Date:    4/13/98
                                         ------------------------------------

                                   RB WEBBER & COMPANY, INC.

                                   /s/ Steve K. Plume
                                   ------------------------------------------
                                   Signature

                                   Name:    Steve Plume

                                   Title:   Principal
                                          -----------------------------------

                                   Address: 1717 Embarcadero Road, Suite 2000
                                            Palo Alto, CA 94303

                                   Date:    4/16/98
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       SIGNATURE PAGE TO BOMBARDIER SOFTWARE, INC. CONSULTING AGREEMENT

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