Management Team Joseph Wm. Foran Founder, Chairman of the Board and Chief Executive Officer Full Bio Van H. Singleton II Co-President – Land, Acquisitions and Divestitures and Planning Full Bio Bryan A. Erman Co-President, Chief Legal Officer and Head of M&A Full Bio Robert T. Macalik Executive Vice President and Chief Financial Officer Full Bio Christopher P. Calvert Executive Vice President and Chief Operating Officer Full Bio Ricky F. Alexander Executive Vice President - Measurement Full Bio Jordan M. Ellington Executive Vice President – Personnel and Asset Manager Full Bio W. Thomas Elsener Executive Vice President of Reservoir Engineering and Senior Asset Manager Full Bio Jonathan J. Filbert Executive Vice President — Land Full Bio Michael D. Frenzel Executive Vice President and Treasurer Full Bio M. Cliff Humphreys Executive Vice President — Completions Full Bio Anton L. Langland Executive Vice President – Marketing Full Bio Joshua D. Passauer Executive Vice President — Drilling Full Bio Glenn W. Stetson Executive Vice President – Production Full Bio Brian J. Willey Executive Vice President – Midstream Full Bio
