John J Christmann

JOHN J. CHRISTMANN IV, 50, was appointed the company’s chief executive officer and president, and joined the company’s board of directors effective Jan. 20, 2015. Christmann previously served as the company’s executive vice president and chief operating officer, North America, since January 2014. From January 2010 through December 2013, he served as region vice president, Permian Region. From January 2004 through December 2009, he served as vice president, Business Development, and from April through December 2003, he served as production manager for the Gulf Coast Region. Prior to that, Mr. Christmann held various positions of increasing responsibility in the business development area since joining the company in 1997. Previously, Christmann was employed by Vastar Resources/ARCO Oil and Gas Company in business development, crude oil marketing, and various production, operational and reservoir engineering assignments. He received his bachelor’s degree in petroleum engineering from the Colorado School of Mines and Master of Business Administration from Southern Methodist University.