Chief Executive Officer and President
Mr. Jennings has served as Chairman of the Board since January 2013 and as Chief Executive Officer and President since the merger of Holly Corporation (“Holly”) and Frontier Oil Corporation (“Frontier”) in July 2011. Mr. Jennings served as President and Chief Executive Officer of Frontier from 2009 until the merger of Holly and Frontier in July 2011. He served as Executive Vice President and Chief Financial Officer of Frontier from 2005 until 2009.





