John Mayes is Director of Special Studies at Turner, Mason & Company. He joined TM&C after careers with Gulf Oil, BP, Ultramar, and Fina/Alon. He is a graduate from Texas A&M University with a degree in Chemical Engineering. He is experienced in refinery-planning and economics, linear programming, wholesale and retail fuels-marketing, product-trading, pipeline and terminal economics and operations, and crude oil evaluations. He is a key contributor to virtually all of TM&C’s Outlook and industry studies.