TULSA, Okla. (May 4, 2010)—Holly Refining & Marketing has appointed Robert Plummer as manager, Base Oil Sales.
Plummer will be spearheading a new program growing Holly Base Oils presence and volume both domestically and internationally, according to Vice President Pat Gribbin.
Plummer has 25 years of chemical and oil industry experience, most recently as a sales manager and before that business manager with Schumann/Steier Inc.
Prior to that he was with Chevron Corp. as business manager for Process Oils, and Base Oils account manager in the Global Base Oils business unit.
Holly Refining & Marketing is a division of Holly Corp.