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Derreck Barnhill is an operations manager and president at Solid State Exchange & Repair Co. since September 1997, specializing in the sales and repair of industrial electronics, including circuit breaker trip units, relays, and multifunction relays. Additionally, Barnhill has been a partner at Derafi Technology since August 2004, overseeing daily operations, and serves as a research engineer at Group CBS, Inc., focusing on the research and development of industrial controls. Previously, Barnhill worked as an electronics engineer at Del Norte Technology, designing electronic systems for GPS equipment, and served as a noncommissioned officer in the United States Air Force, where responsibilities included repairing and operating auto-tracking radar systems. Barnhill holds a Bachelor of Science in Electrical Engineering from The University of Texas at Arlington.