Patrick R. McDonald

Chief Executive Officer

Mr. McDonald is Chief Executive Officer and Director of the Company and has been Chief Executive Officer since 2004. From 1998 to 2003, Mr. McDonald was Chief Executive Officer and Director of Carbon Energy Corporation, an oil and gas exploration and production company which in 2003 was merged with Evergreen Resources, Inc. From 1987 to 1997 Mr. McDonald was Chief Executive Officer and Director of Interenergy Corporation, a natural gas gathering, processing and marketing company which in December 1997 was merged with KN Energy Inc. Prior to that he worked as an exploration geologist with Texaco International Exploration Company where he was responsible for oil and gas exploration efforts in the Middle East and Far East. Mr. McDonald served as Chief Executive Officer of Forest Oil Corporation from June 2012 until the completion of its business combination with Sabine Oil & Gas in December 2014. Mr. McDonald is Chairman of the Board of Prairie Provident Resources (TSX: PPR), an exploration and production company based in Calgary, Alberta, Canada. Mr. McDonald received a Bachelor’s degree in both Geology and Economics from Ohio Wesleyan University and a Masters degree in Business Administration (Finance) from New York University. Mr. McDonald is a Certified Petroleum Geologist and is a member of the American Association of the Petroleum Geologists and of the Canadian Society of Petroleum Geologists.


Mark D. Pierce


Mr. Pierce has been President since October 2012 and was Operations Manager and Senior Vice President from 2005 to 2012.   He began his career at Texaco, Inc. in 1975 and from 1977 until 1997 was employed by Ashland Exploration, Inc. attaining the position of Vice President Eastern Region and Gas Marketing. His experience includes both domestic and international work. He is a registered Petroleum Engineer in Kentucky, West Virginia and Ohio.


Kevin D. Struzeski

Chief Financial Officer

Mr. Struzeski has been Chief Financial Officer, Treasurer and Secretary since 2005. From 2003 to 2004, Mr. Struzeski was the Director of Treasury at Evergreen Resources, Inc., and from 1998 to 2003, he was Chief Financial Officer, Secretary and Treasurer of Carbon Energy Corporation. Mr. Struzeski served as Accounting Manager for Media One Group from 1997 to 1998 and prior to that was employed as Controller for Interenergy Corporation from 1995 to 1997. Mr. Struzeski is a Certified Public Accountant.


Erich W. Kirsch

Vice President – Finance and Accounting

Mr. Kirsch has served as Vice President Finance and Accounting since 2017. From 2015 to 2017, he was Director of Accounting and Finance for Star Mountain Resources, Inc (OTC:SMRS) and previously a Corporate Controller for Rare Element Resources (NYSE MKT: REE:TSX:RES) and Prospect Global Resources Inc and Audit Manager for KPMG, LLP. He holds a B.S. in Accounting from University of Wyoming. He is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants.