W&T Offshore competitors

John, was appointed executive vice president and chief operating officer – North America, effective Jan. 1, 2014, having been region vice president – Permian Region, from 2010 through 2013. He previously served as vice president – Business Development, since January 2004, and production manager for the Gulf Coast Region since April 2003. Prior to that, Christmann held various positions of increasing responsibility in the business development area since joining the company in 1997. Previously, he was employed by Vastar Resources/ARCO Oil and Gas Company in business development, crude oil marketing and engineering assignments. Christmann received his bachelor’s degree in petroleum engineering from the Colorado School of Mines and MBA from Southern Methodist University.

Tom Jorden was named President and Chief Executive Officer of Cimarex in September 2011 and Chairman of the Board in August 2012. Mr. Jorden previously served as Executive Vice President of Exploration since the formation of Cimarex in September 2002 and held that same position at Key Production Company, Inc., Cimarex’s predecessor. He joined Key in November 1993 as Chief Geophysicist and later as Vice President of Exploration (October 1999 to September 2002). Prior to joining Key, Mr. Jorden was with Union Pacific Resources and Superior Oil Company. He is a graduate of the Colorado School of Mines where he earned B.S. and M.S. degrees in Geophysics.