Michael Jennings has been appointed chief executive officer and president of petroleum refiner and marketer HollyFrontier Corp., Dallas, succeeding George Damiris, who will retire as chief executive officer, president, and director on Dec. 31.
Damiris joined Holly Corp. in 2007. He was appointed chief executive officer and president of HollyFrontier in January 2016 and has served on the board of HollyFrontier since December 2015.
Jennings will serve as executive vice president until Jan. 1, 2020, at which time he will become chief executive officer and president. Jennings has served as a director of HollyFrontier since July 2011 and served as chairman of the board of HollyFrontier from January 2013 to January 2016 and from January 2017 to February 2019. He previously served as executive chairman from January 2016 to January 2017, as the chief executive officer and president of HollyFrontier from the merger of Holly Corp. and Frontier Oil Corp. in July 2011 until January 2016.
Jennings also was appointed as chief executive officer of Holly Logistic Services LLC (HLS), the ultimate general partner of Holly Energy Partners LP, effective Jan. 1, 2020. He currently serves as chairman of the board of HLS, having served as a director since October 2011.
