White Rock has 100+ team members including 20 investment professionals and 60+ field employees. Our 11 engineers have acquired and operated $4+ billion of assets and have expertise in every major U.S. onshore oil and gas basin. The 6 senior members of our engineering team average over 25 years of upstream oil and gas experience. We have a strong commitment to safety and environmental responsibility.

White Rock's family culture is a result of many employee relationships predating the founding of the firm. We encourage growth from within and expect our employees to strive for excellence.

Robert Matejek
Robert Matejek
Founder
Charles Bray
Charles Bray
Founder
Rusty Ginnetti
Rusty Ginnetti
Chief Operating Officer
Gayle McCrory
Gayle McCrory
Chief Financial Officer
Chief Compliance Officer
Mike Markes
Mike Markes
Vice President of Engineering
Brett Keener
Brett Keener
Vice President of Operations
Jacob Hartgroves
Jacob Hartgroves
Acquisitions
Divestments & Reserves Manager
Amy Smith
Amy Smith
Controller
Marc Leferman
Marc Leferman
Managing Director
Head of Investor Relations
Trey Thigpin
Trey Thigpin
Director of Investor Relations