Rocky Dewbre, 53, is the Chief Executive Officer of Empire Petroleum Partners, LLC in Dallas Texas, and served as a Board member for CST Brands, Inc. from 2016 until 2017 when it was acquired by Couche-Tard. Prior to joining CST Brands’ Board, Mr. Dewbre served as Executive Vice President at SUNOCO LP from 2014 to 2015. From 1999 until 2014 Mr. Dewbre served in a variety of leadership positions at Susser Holdings Corporation. Mr. Dewbre has a B.B.A. from Texas Tech University in Accounting and Management Information Systems and an MBA from the University of Texas. He also completed the Authentic Leadership Development program at Harvard University. Mr. Dewbre was nominated to serve on the Board of Core-Mark based on his extensive experience in the convenience retail industry, including his current leadership role as Chief Executive Officer of Empire Petroleum, and his financial expertise.