Gregory Robertson

Gregory Robertson currently serves as the Procurement Manager at HF Sinclair, where responsibilities include leading procurement and warehouse operations while implementing Lean principles across multiple departments. Prior experience includes the role of Procurement Manager at HollyFrontier, overseeing procurement operations for the Tulsa plant, as well as serving as Procurement Supervisor at HollyFrontier Renewables. Gregory's educational background includes an ongoing Master of Business Administration from the University of Arkansas - Sam M. Walton College of Business, a Bachelor of Science in Logistics and Supply Chain Management from Colorado Christian University, and an Associate's of Occupational Science in Accounting and Business/Management from IBMC College.