Charles Duginski occupies the position of Chairman & Chief Executive Officer at Chaparral Energy, Inc. and Chief Operating Officer & Senior Vice President of Tapstone Energy, Inc.

He previously held the position of Vice President-Haynesville/Barnett Business Unit at Chesapeake Energy Corp., Vice President-Southern Region Production at Continental Resources, Inc. and Chief Operating Officer, Director & Senior VP at Tapstone Energy LLC.

Mr. Duginski received an undergraduate degree from the University of Oklahoma.