John Larson, Vice President, Mid-Continent Operations

Mr. Larson joined Bonanza Creek Energy in 2009 and since that time has been responsible for all the company's activities in Arkansas.

Before coming to Bonanza Creek, Mr. Larson worked 30 years in engineering, consulting, and management positions at Unocal, Energy Partners, and BP. At Energy Partners and Unocal, Mr. Larson consulted on asset management, project management, and production engineering. While at BP, he managed the Operated by Other Portfolio that included analyzing and deciding whether to participate in drilling proposals, budgeting, and long term planning.

Kerry McCowen, Vice President, Rocky Mountain Operations

Mr. McCowen is Vice President of Operations for the Rocky Mountain Region, and has over 38 years of experience concentrated in the oil and gas industry. He has held various management and technical positions in the oil and gas fields of Colorado, Wyoming, Oklahoma, Texas, and Alabama, spending 30 years primarily with The Western Company and Halliburton. Mr. McCowen gained experience in all phases of onshore operations working with major and independent oil companies to optimize production from tight reservoirs, spending essential time in the field as a District Engineer and Manager. Mr. McCowen holds degrees in Business Administration and Management from the University of Phoenix, and has been a Society of Petroleum Engineers member since 1982.

David Stewart, Vice President, EHS&RC and Government Relations

Mr. Stewart, is a 25 year veteran of industrial EHS&RC management with 16 of those years focused in oil and gas.  David is proficient in a diverse array of EHS&RC topics including; safety management for E&P operations, air quality remediation, environmental due diligence, EHS performance improvement, policy and regulation development and contractor management.  He completed a master’s of Applied Science degree from University of Denver in Environmental Policy and Management and under graduate studies in biology and history. David’s focus at Bonanza Creek is to develop culture and systems that drive towards our EHS&RC goals of zero injuries and an excellent compliance record.  

Dean Tinsley, Vice President, Operations and Engineering

Mr. Tinsley joined Bonanza Creek in April 2013 as Production Engineering Manager and was named Vice President – Rocky Mountain Asset Management in May 2015 and Vice President, Operations and Engineering in September, 2016. Mr. Tinsley is responsible for all engineering and operations for the Company, including drilling, completions, production, and facilities. He has more than 22 years of progressive experience in exploration and production management, operations, and engineering. From 2005 to 2013, Mr. Tinsley held positions as Asset Director for the Piceance Basin and Director of Operations for the Marcellus Region, respectively, with WPX Energy. Prior to this, he held operational, technical, and supervisory roles in three additional basins for Amoco, Barrett Resources, and Williams Production Company. Mr. Tinsley holds a Bachelor of Science in Mechanical Engineering from Colorado School of Mines and a Master of Business Administration from Colorado State University.