David S. Elkouri serves as Executive Vice President and Chief Legal Officer. Mr. Elkouri served as Executive Vice President, General Counsel and Secretary of Petrohawk Energy Corporation from 2007 until BHP Billiton acquired Petrohawk in August 2011. He also served as Chief Ethics Officer and Insider Trading Compliance Officer of Petrohawk. From 2004 to 2007, he served as lead outside counsel for Petrohawk. Prior to that, Mr. Elkouri served as lead outside counsel for 3TEC Energy Corporation from 1999 to 2003. He also served as lead outside counsel for Hugoton Energy Corporation from 1994 to 1998. Mr. Elkouri is a co-founder of Hinkle Law Firm LLC where he practiced for 20 years prior to joining Petrohawk. Mr. Elkouri is a graduate of the University of Kansas School of Law where he served as a Research Editor of the Kansas Law Review.