PRESIDENT & CEO

John-Mark is the co-founder of 89 Energy. He has previously held positions at American Energy Partners, Sandridge, and Chesapeake. John-Mark earned his Bachelor’s degree from Southern Nazarene University and his MBA from the University of Oklahoma.

CHIEF STRATEGY OFFICER

Dave has previously held positions at Tapstone, Roan, Sandridge, and UBS. Dave earned his Bachelor’s degree from Brown University.

CHIEF OPERATIONS OFFICER

James has previously held positions at Le Norman Operating and Chesapeake. James earned his Bachelor’s degree from the University of Missouri-Rolla and his Master’s degree from Oklahoma City University. James serves as a Board Member and Upstream E&P Operators Committee Member of The Petroleum Alliance of Oklahoma. In addition, he also serves as an Industry Advisory Council Member of the Society of Petroleum Engineers (SPE) Oklahoma City Section.

EVP, GEOSCIENCE

Kyle previously held positions at Chesapeake. Kyle earned his Bachelor’s degree from Purdue University and his Master's degree from New Mexico State University.

EVP, ENGINEERING & EVALUATIONS

Jeff previously held positions at Kayne Anderson, Warburg Pincus, Hilcorp, and BP. Jeff earned his Bachelor’s degree from the University of Oklahoma.

SVP, FINANCE

Andrew has previously held positions at NGP and Tudor, Pickering, Holt. Andrew earned his Bachelor’s degree from Texas A&M University.

SVP, LAND, A&D + BUSINESS DEVELOPMENT

Sean previously worked for Native Oil and Gas and Chesapeake. He is a Certified Professional Landman by the APPL. He earned his Bachelor’s degree from Oklahoma Baptist University. Sean participated in The Petroleum Alliance of Oklahoma Future Leaders Program, Class of 2023.

VP, INFORMATION MANAGEMENT

Adam previously held positions with American Energy Partners, SandRidge and Continental Resources. Adam earned his Bachelors degree from the University of Central Oklahoma.

VP, ACCOUNTING, CONTROLLER AND TREASURER

Jacob previously held positions with Permian Resources and KPMG. He earned Bachelors degree and Masters degree from Oklahoma State University. He is a licensed CPA.

VP, EHS, REGULATORY COMPLIANCE & GOVERNMENT RELATIONS

Chris has previously held positions at Marathon Oil. Chris earned his Bachelor’s degree from Oklahoma State University and his Master’s degree from Oklahoma City University. He holds a Certified Safety Professional (CSP) credential from the Board of Certified Safety Professionals and serves on the Board of Directors at the Oklahoma Energy Resources Board (OERB).

VP, LAND

Kevin previously held positions with SandRidge and Chesapeake. Kevin earned his Bachelor’s degree and MBA from Oklahoma State University.

OPERATIONS MANAGER

Grant previously held positions with Native Oil and Gas and EOG Resources. Grant earned his Bachelor’s degree from Texas A&M University and his MBA from the University of Oklahoma. Grant serves on the Induced Seismicity Subcommittee for The Petroleum Alliance of Oklahoma as well as their Future Leaders Program, Class of 2024.

GEOSCIENCE MANAGER

Dustin previously worked at Chesapeake. Dustin earned his Bachelor’s degree from University of Texas Arlington and a Masters degree from the University of Colorado.

DEVELOPMENT MANAGER

Brent previously worked at Chesapeake. Brent earned his Bachelor’s degree from Penn State University. He is a licensed professional engineer in Oklahoma.

RESERVOIR ENGINEERING ADVISOR

Brian previously held positions at LINN Energy and served in the US Army. Brian earned his Bachelor’s degree in Petroleum Engineering from the University of Oklahoma.

DIRECTOR OF CORPORATE RESERVES

Jeff previously held positions with CPRP Services LLC, Midstates Petroleum and Apache. Jeff earned his Bachelor of Science in Petroleum Engineering from Colorado School of Mines.

CORPORATE COUNSEL

Jordan previously worked in private practice. He earned his Bachelor’s degree and JD from the University of Oklahoma. Jordan serves as a Legal Committee Member for The Petroleum Alliance of Oklahoma, a Board Member for the Oklahoma City Association of Professional Landmen and as a Committee Member for the University of Oklahoma Eugene Kuntz Conference on Natural Resources.