Texas Feed and Fertilizer Control Service

Administration Personnel


Dr. Tim  Herrman


Dr. Tim Herrman

State Chemist and Director


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Mary Sasser


Mary Sasser

Program Director


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Benjamin L. Jones


Benjamin L. Jones

Associate Director


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Sara M. Williams


Sara M. Williams

Associate Director


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Dr. Yi-Cheng (John) Hsieh


Dr. Yi-Cheng (John) Hsieh

Research Scientist


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Dr. Kyung-Min Lee


Dr. Kyung-Min Lee

Research Scientist


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Dr. Wei Li


Dr. Wei Li

Research Scientist


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Dr. Lynn Post


Dr. Lynn Post

Adjunct Professor, Vet Pharmacology & Physiology


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James A. Embry


James A. Embry

Senior Manager, Registration & Labeling


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Megan K. Rooney


Megan K. Rooney

Senior Manager, Quality Assurance


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Arun Manandhar


Arun Manandhar

Business Manager


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John W. See, III


John W. See, III

Program Manager, Accounting & Audits


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Darren K. Smith


Darren K. Smith

IT Manager III


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Prabha Vasudevan


Prabha Vasudevan

Program Director


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Lori J. Mendoza


Lori J. Mendoza

Senior Administrative Coordinator


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