Pressure Systems International (P.S.I.) and TST Have Named Debbie Fields as TST Commercial Manager

San Antonio, TX- July 07, 2026 – P.S.I. and TST have named Debbie Fields as TST Commercial Manager. She was previously Director of Operations.

Fields will report directly to Jim Sharkey, President of P.S.I./TST. She will be responsible for all OEM and aftermarket sales, customer service, and providing the ‘voice of the customer’ for new product development.

Reporting directly to Fields will be

·       Chris Dasilva – TST Sales Representative

·       Ethen Emahiser – TST Sales Representative

·       Elizabeth Pena – Customer Service Representative

·       Maria Silva – Customer Service Representative

P.S.I. established the new role of TST Commercial Manager at a critical time, positioning the TST segment for significant growth, enabled by exciting new product releases and the upcoming RVIA mandate for TPMS.

“Debbie has been a key member of the TST organization for more than a decade,” commented Sharkey. “Her proven capabilities made her the right choice for the TST Commercial Manager position. Her leadership skills and market knowledge will position us well to achieve significant market share growth in the RV market segment.”

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