Texas Public Purchasing Association
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Board of Directors

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President

Shawn Willett
​NIGP-CPP, CPPO
Deputy Procurement Officer
​City of Austin
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Vice President

Blake Skiles
CPPO, NIGP-CPP, CPPB
Procurement Manager
​City of Rosenberg
Email
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Treasurer

Brandi Whittenton
NIGP-CPP, CPCP
Buyer II
​City of College Station
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Secretary

Jennifer Calderon
NIGP-CPP, CPPB

Procurement Project Manager
Denton County
Email
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Immediate
​Past President

Melissa Lee
​C.P.M., A.P.P.
Purchasing Agent
​Tarrant County
​
Email

Directors

Jedediah Greenfield, MPA, CPPO
Chief Procurement Officer
City of Houston
​Mo Lowman, CPPB
Buyer
Collin College
Jewelie Ramos, NIGP-CPP, CPPB
Purchasing Director
Metrocare
Lori Scott
Contract Management Supervisor II
Austin Resource Recovery
Susan Serrano, CPPO, CPPB
Purchasing Director
Brazoria County
Sophia Vilca
Buyer II
Collin County
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About

Since 2008, The Texas Public Purchasing Association (TxPPA) has provided meaningful and relevant professional development opportunities for our members through educational and networking opportunities designed to deliver current information on a variety of public procurement topics and strengthening professional relationships with others in the industry.

We strive to make public purchasing in Texas the most efficient and effective in the nation.
​
An independent multi-agency organization, our members represent state agencies, colleges and universities, county governments, municipalities, authorities and school districts in Texas.

Contact Us

Texas Public Purchasing Association
​1401 Lavaca St. #650, Austin, TX 78701
(512) 270-0575
[email protected]
 Copyright Texas Public Purchasing Association.  All Rights Reserved.
​Privacy Policy

  • Home
  • Membership/Info
    • Membership >
      • Membership Benefits
      • Membership Levels & Requirements
      • Membership Refunds
    • Information >
      • About
      • AEP® Award
      • Frequently Asked Questions
      • TxPPA History
      • Past Presidents
  • Meet Your Board
    • Board of Directors
    • Committees
  • Education
    • Conference Information >
      • Conference Overview
      • 2026 Spring Conference Agenda
      • 2026 Spring Conference Registration
      • 2026 Spring Conference Hotel
      • Refund Policy
    • Professional Development >
      • Webinars
  • Sponsor/Exhibit
    • 2026 Partnership Opportunities
    • 2026 Partner & Exhibitor Information
    • Annual Partners
    • Refund Policy
  • Contact Us