Mr. Carter has been PostRock's President and Chief Executive Officer and a director since December 2011. From June 2011 through December 2011 Mr. Carter held the position of Interim President and Chief Executive Officer at PostRock. Since February 2008, Mr. Carter has been a principal of a number of private oil and gas ventures. From 2003 through November 2007, Mr. Carter served as President and Chief Executive Officer of Ascent Energy, Inc., a private exploration and production company. In 2001, Mr. Carter became Executive Vice President of Exploration and Production at Range Resources Corporation, an exploration and production company, where he served in that role until 2003. Mr. Carter began his career as a petroleum engineer for ORYX Energy, formerly Sun Exploration and Production. In the course of his more than 20 years with that company, he rose to become Manager of Operations and Development in Dallas. Mr. Carter holds a B.S. in Petroleum Engineering from Tulsa University. The board of directors is nominating Mr. Carter because, in addition to valuing his significant operating experience, the board believes that having his perspective as the Chief Executive Officer of our company enhances the board’s focus on and contribution to our growth and development and is in the best interest of our stockholders.
Ms. Bigelow has served as our Chief Accounting Officer since March 2014 and also as our Secretary and Treasurer since May 2015. Previously, Ms. Bigelow served as PostRock’s Controller since November 2012 and various other roles within the Company since February 2011. Ms. Bigelow served as a risk and accounting advisor for Ernst & Young LLP from May 2006 to February 2011. Ms. Bigelow holds a bachelor’s degree and a master’s degree in accounting from Oklahoma State University.
Mr. Edwards has served as our Vice President of Operations since February 2012. Previously, he served as our Director of Midcontinent Field Operations since December 2010 and in various other company roles for our predecessor entities from August 2007 to December 2010. Prior to joining our predecessor entities, Mr. Edwards served in various roles with Lipsey Ranch Cattle Feeders, a commercial cattle operation, from 2006 to August 2007. Mr. Edwards holds a bachelors degree in engineering from Texas A&M University in College Station, Texas.