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Exhibit 10.24   Execution
 TENDER AGREEMENT
 between
 ALBERT LIOU
 and
 PAREXEL (TAIWAN), INC.




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TABLE OF CONTENTS
 PageARTICLE I
    
    AGREEMENT TO TENDER
    
    
    11.1.
    
    Tender of the Shares by the Stockholder
    
    
    11.2.
    
    Further Assurances
    
    
    2ARTICLE II
    
    REPRESENTATIONS OF THE STOCKHOLDER REGARDING THE SHARES
    
    
    22.1.
    
    Title
    
    
    22.2.
    
    Authority
    
    
    22.3.
    
    Regulatory Approvals
    
    
    32.4.
    
    Brokers
    
    
    3ARTICLE III
    
    REPRESENTATIONS OF THE STOCKHOLDER REGARDING THE COMPANY
    
    
    33.1.
    
    Organization, Qualification and Corporate Power
    
    
    33.2.
    
    Capitalization
    
    
    43.3.
    
    Noncontravention
    
    
    43.4.
    
    Subsidiaries
    
    
    53.5.
    
    Financial Statements
    
    
    53.6.
    
    Absence of Certain Changes
    
    
    63.7.
    
    Undisclosed Liabilities
    
    
    63.8.
    
    Tax Matters
    
    
    63.9.
    
    Assets
    
    
    73.10.
    
    Owned Real Property
    
    
    73.11.
    
    Real Property Leases
    
    
    73.12.
    
    Intellectual Property
    
    
    83.13.
    
    Contracts
    
    
    93.14.
    
    Accounts Receivable
    
    
    113.15.
    
    Powers of Attorney
    
    
    113.16.
    
    Insurance
    
    
    113.17.
    
    Litigation
    
    
    113.18.
    
    Warranties
    
    
    123.19.
    
    Employees
    
    
    123.20.
    
    Employee Benefits
    
    
    123.21.
    
    Environmental Matters
    
    
    143.22.
    
    Legal Compliance
    
    
    143.23.
    
    Customers and Suppliers
    
    
    143.24.
    
    Permits
    
    
    143.25.
    
    Certain Business Relationships With Affiliates
    
    
    143.26.
    
    Brokers Fees
    
    
    143.27.
    
    Disclosure
    
    
    153.28.
    
    Regulatory Compliance
    
    
    153.29.
    
    Patient Information
    
    
    16
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PageARTICLE IV
    
    REPRESENTATIONS OF THE BUYER
    
    
    174.1.
    
    Organization, Qualification and Corporate Power
    
    
    174.2.
    
    Authorization of Transaction
    
    
    174.3.
    
    Noncontravention
    
    
    174.4.
    
    Brokers Fees
    
    
    17ARTICLE V
    
    COVENANTS
    
    
    185.1.
    
    Closing Efforts
    
    
    185.2.
    
    Governmental and Third Party Notices and Consents
    
    
    185.3.
    
    Operation of Business
    
    
    185.4.
    
    Access to Information
    
    
    205.5.
    
    Notice of Breaches
    
    
    215.6.
    
    Exclusivity
    
    
    21From the date of this Agreement until the end of the Interim Period:
    
    
    215.7.
    
    Expenses
    
    
    225.8.
    
    Cooperation With Other Stockholders
    
    
    225.9.
    
    Necessary Corporate Actions
    
    
    225.10.
    
    Repurchase of Shares in Apex Korea
    
    
    235.11.
    
    Employee Stock Options
    
    
    235.12.
    
    Board Observation Rights
    
    
    23ARTICLE VI
    
    INDEMNIFICATION
    
    
    236.1.
    
    Indemnification by the Stockholder
    
    
    236.2.
    
    Indemnification by the Buyer
    
    
    246.3.
    
    Indemnification Claims
    
    
    246.4.
    
    Survival of Representations and Warranties
    
    
    266.5.
    
    Limitations
    
    
    26ARTICLE VII
    
    Post-Closing Agreements
    
    
    277.1.
    
    No Solicitation or Hiring of Former Employees
    
    
    27ARTICLE VIII Termination of Agreement
    
    
    278.1.
    
    Automatic Termination
    
    
    278.2.
    
    Termination by Agreement of the Parties
    
    
    288.3.
    
    Termination by Reason of Breach
    
    
    288.4.
    
    Effect of Termination
    
    
    28ARTICLE IX
    
    Dispute Resolution
    
    
    289.1.
    
    General
    
    
    289.2.
    
    Consent of the Parties
    
    
    289.3.
    
    Arbitration
    
    
    29ARTICLE X
    
    DEFINITIONS
    
    
    29ARTICLE XI
    
    MISCELLANEOUS
    
    
    3511.1.
    
    Press Releases and Announcements
    
    
    3511.2.
    
    Notices
    
    
    35
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Page11.3.
    
    Successors and Assigns
    
    
    3611.4.
    
    Entire Agreement; Amendments; Attachments
    
    
    3611.5.
    
    Severability
    
    
    3711.6.
    
    No Third Party Beneficiaries
    
    
    3711.7.
    
    Governing Law
    
    
    3711.8.
    
    Section Headings
    
    
    3711.9.
    
    Counterparts and Facsimile Signature
    
    
    37
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TENDER AGREEMENT
  Preliminary Statement
     ARTICLE I
AGREEMENT TO TENDER
 Tender of the Shares by the Stockholder




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Further Assurances
    ARTICLE II
REPRESENTATIONS OF THE STOCKHOLDER REGARDING THE SHARES
  Title
 Authority
 - 2 -




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Regulatory Approvals
 Brokers
 ARTICLE III
REPRESENTATIONS OF THE STOCKHOLDER REGARDING THE COMPANY
  Organization, Qualification and Corporate Power
 - 3 -




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Capitalization
   Noncontravention
 - 4 -




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Subsidiaries
    Financial Statements
 - 5 -




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Absence of Certain Changes
 Undisclosed Liabilities
 Tax Matters
  - 6 -
          Assets
 Owned Real Property
 Real Property Leases
   - 7 -
           Intellectual Property
   - 8 -
           Contracts
     - 9 -




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- 10 -
        Accounts Receivable
 Powers of Attorney
 Insurance
 Litigation
 - 11 -




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Warranties
 Employees
    Employee Benefits
  - 12 -
             - 13 -




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Environmental Matters
 Legal Compliance
 Customers and Suppliers
 Permits
 Certain Business Relationships With Affiliates
 Brokers Fees
 - 14 -




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Disclosure
 Regulatory Compliance
   - 15 -
           Patient Information
   - 16 -




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ARTICLE IV
REPRESENTATIONS OF THE BUYER
  Organization, Qualification and Corporate Power
 Authorization of Transaction
 Noncontravention
 Brokers Fees
 - 17 -




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ARTICLE V
COVENANTS
 Closing Efforts
 Governmental and Third Party Notices and Consents
   Operation of Business
 - 18 -
                - 19 -
               Access to Information
 - 20 -




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Notice of Breaches
   Exclusivity
    - 21 -
        Expenses
 Cooperation With Other Stockholders
 Necessary Corporate Actions.
   - 22 -




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Repurchase of Shares in Apex Korea
 Employee Stock Options
 Board Observation Rights
 ARTICLE VI
INDEMNIFICATION
 Indemnification by the Stockholder
  - 23 -




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Indemnification by the Buyer
   Indemnification Claims
 ad damnum - 24 -
          - 25 -
        Survival of Representations and Warranties
 Limitations
 - 26 -
          ARTICLE VII
POST-CLOSING AGREEMENTS
  No Solicitation or Hiring of Former Employees
 ARTICLE VIII
TERMINATION OF AGREEMENT
 Automatic Termination
 - 27 -




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Termination by Agreement of the Parties
 Termination by Reason of Breach.
   Effect of Termination
 ARTICLE IX
DISPUTE RESOLUTION
 General
 Consent of the Parties
 - 28 -




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Arbitration
      ARTICLE X
DEFINITIONS
  Affiliate
 Agreed Amount
 Apex Korea
 Buyer
 - 29 -




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Buyer Material Adverse Effect
 Claim Notice
 Claimed Amount
 Closing
 Closing Date
 Common Stock
 Company
 Company Intellectual Property
 Company Material Adverse Effect
 - 30 -




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Company Plan
 Controlling Party
 Customer Deliverables
 Damages
 Disclosure Schedule
 Dispute
 Employee Benefit Plan
 Environmental Law
 - 31 -




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Expected Claim Notice
 Financial Statements
   FSC
 GAAP
 Governmental Entity
 Indemnified Party
 Indemnifying Party
 Intellectual Property
    - 32 -




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Interim Period
 Internal Systems
 Lease
 Legal Proceeding
 Materials of Environmental Concern
 Most Recent Balance Sheet
 Most Recent Balance Sheet Date
 Non-controlling Party
 - 33 -




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Ordinary Course of Business
 Parties
 Patient Information
 Permits
 Reasonable Best Efforts
 Required Shareholders Resolutions
 Response
 ROC Taiwan
 Security Interest
 Shareholders Meeting
 Shares
 Stockholder
 Subsidiary
 Taxes
 - 34 -




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Tax Returns
 Tender Offer
 Tender Offer Regulations
 Third Party Action
 Transfer
 ARTICLE XI
MISCELLANEOUS
 Press Releases and Announcements provided however
 Notices
 To the Buyer:
    
    c/o PAREXEL International Corporation200 West StreetWaltham, MA 02451Facsimile: 602-445-2680Attn: Josef Von Rickenbach
 - 35 -




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With a copy to:
    
    c/o PAREXEL International Corporation200 West StreetWaltham, MA 02451Facsimile: 781-434-5040Attn: C. Douglas BattWith a copy to:
    
    Wilmer Cutler Pickering Hale and Dorr LLP60 State StreetBoston, MA 02109Facsimile: 617-526-5000Attn: Jeffrey A. Hermanson, Esq.David E. Redlick, Esq.With a copy to:
    
    Lee and Li, Attorneys at Law7F, No. 201, Tun Hua N. RoadTaipei 105, Taiwan, R.O.C.Facsimile: 886-2-2713-3966Attn: Joyce Fan, Esq.To the Stockholder:
    
    Albert Liou6F, No. 78, Neijiang Street, Wanhua District,Taipei, TaiwanWith a copy to:
    
    LCS & Partners5F, No. 8, Sinyi Rd., Taipei City, TaiwanAttn: Mark Harty
  Successors and Assigns
 Entire Agreement; Amendments; Attachments
 - 36 -




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Severability
 No Third Party Beneficiaries
 Governing Law
 Section Headings
 Counterparts and Facsimile Signature
 - 37 -




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IN WITNESS WHEREOF
 BUYER:
PAREXEL (TAIWAN), INC.By:
    /s/ James F. Winschel, Jr.Name: James F. Winschel, Jr.Title:STOCKHOLDER:By:
    /s/ Albert LiouName:  Albert Liou - 38 -