Michael C. Jennings
Chairman of the Board, Chief Executive Officer and President
Doug S. Aron
Executive Vice President and Chief Financial Officer
David L. Lamp
Executive Vice President and Chief Operating Officer
George J. Damiris
Senior Vice President, Supply and Marketing
James M. Stump
Senior Vice President, Refining Operations
Denise C. McWatters
Senior Vice President, General Counsel & Secretary





