Karen B. Davis

Ms. Davis most recently served as Executive Vice President and Chief Financial Officer of Western Refining, Inc. and its affiliated entities, Western Refining Logistics LP and Northern Tier Energy, LP, through May 2017. During her career, Ms. Davis has served in various chief financial officer and financial reporting officer positions with various public and private companies throughout the United States. She is presently a director of PBF Logistics LP, where she is a member of the Audit and the Conflicts Committees.