About Us
Administration

Ray Grinberg
Chief Executive Officer
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Dawn Haskins, CPA
Chief Financial Officer

Greg Mullis
General Manager of Tri-CoGo

Bennett Gibbs
Manager of Engineering

Clate Hollinshead
Manager of Safety & Facilities

Lee Witcher
Manager of Operations

Sarah Curry
Human Resources Administrator
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Courtney Snider
Administrative Assistant
& Benefits Coordinator