Management Team Joseph Wm. Foran Chairman of the Board, Chief Executive Officer and Secretary Full Bio Billy E. Goodwin President – Operations Full Bio Van H. Singleton II President – Land, Acquisitions and Divestitures and Planning Full Bio Craig N. Adams Executive Vice President, Co-Chief Operating Officer, Chief of Staff and Corporate Secretary Full Bio G. Gregg Krug Executive Vice President – Marketing and Midstream Strategy Full Bio Christopher P. Calvert Co-Chief Operating Officer and Senior Vice President – Operations Full Bio W. Thomas Elsener Senior Vice President of Reservoir Engineering and Senior Asset Manager Full Bio Bryan A. Erman Senior Vice President and General Counsel Full Bio Jonathan J. Filbert Senior Vice President – Land Full Bio Michael D. Frenzel Senior Vice President and Treasurer Full Bio Dr. Edmund L. Frost III Senior Vice President of Geoscience Full Bio Robert T. Macalik Senior Vice President and Chief Accounting Officer Full Bio Matthew D. Spicer Senior Vice President and General Manager of Midstream Full Bio Glenn W. Stetson Senior Vice President of Production Full Bio Brian J. Willey Senior Vice President, President and General Counsel of Midstream Full Bio