Texas Public Purchasing Association
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Board of Directors

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President

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

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Vice President

Shawn Willett
CPPO, NIGP-CPP
Deputy Procurement Officer
​City of Austin
Email
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Treasurer

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

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Secretary

Brandi Whittenton
NIGP-CPP, CPCP
Buyer II
​City of College Station
Email
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Immediate
​Past President

Victor Castillo
MBA, CTCD, CPPO, NIGP-CPP

Purchasing Manager​​
​City of Leander​
Email

Directors

Jennifer Calderon, NIGP-CPP, CPPB
Procurement Project Manager
Denton County
​Matt Dobecka, NIGP-CPP, CPPO, CPPB, CPCP
Purchasing Analyst
Collin County

Jedediah Greenfield, MPA, CPPO
Chief Procurement Officer
City of Houston
​Mo Lowman
Purchasing Specialist
Grayson College

Lori Scott, CTCM, CTCD
Contract Management Supervisor
​Austin Resource Recovery
Susan Serrano, CPPO, CPPB
Purchasing Director
Brazoria 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]
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 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
      • 2025 Fall Conference Agenda
      • 2025 Fall Conference Registration
      • 2025 Fall Conference Hotel
      • Refund Policy
    • Professional Development >
      • Webinars
      • Regional Workshop
    • Call for Speakers
  • Sponsor/Exhibit
    • 2025 Sponsorship Opportunities
    • 2025 Sponsorship & Exhibitor Information
    • Annual Sponsors
    • Refund Policy
  • Contact Us