Gryphon Oil & Gas

A Modern Oil & Gas Company

2601 Westheimer Rd., Suite C240
Houston, TX 77098


Gryphon is an oil and gas alternative investment company focused on identifying and capturing lower risk opportunities created by dislocations in the upstream oil and gas sector. Gryphon takes a modern approach to investing in oil and gas, blending advanced data analytics with fundamental E&P technical knowledge to form a better understanding of risk and potential returns. Gryphon was formed in 2019 in partnership with a global private equity firm.

Our Leadership

Claire Harvey
Chief Executive Officer and Founder

Claire founded Gryphon in 2019 and serves as Chief Executive Officer. Claire is a private equity veteran, having spent close to a decade at two private equity funds, Pine Brook Partners and TPH Partners. Claire is currently Chairman of the Board of Falcon Minerals Company (NASDAQ: FLMN), a Blackstone company. Earlier in her career, she worked as an investment banker at Lehman Brothers and Barclays Capital, primarily focused on corporate finance and mergers and acquisitions for oil and gas companies. Claire has served as a director on several oil and gas company boards and also currently serves on the Board of Advisors for the Texas A&M University Finance Department as well as the Texas A&M University Petroleum Ventures Program. Claire earned a BBA in Finance at Texas A&M University, where she was also a four-year letterman for the Fightin’ Texas Aggie Volleyball Team. In addition, Claire earned an MBA from the Jones Graduate School of Business at Rice University.

Michael Harvey

Mike is a serial entrepreneur who has over 45 years experience in the upstream oil and gas business. Mike was founder and CEO of private equity backed Gulfstar Petroleum Company, Gulfstar Energy, Inc., Gryphon Exploration Company and Stonegate Production Company, LLC. Prior to founding his first company, Mike was Vice President of Business Development, for international independent and LNG developer Roy M. Huffington, Inc. He also served as a director, President and CEO of Cheniere Energy, Inc. Mike was a commissioned officer and served in Vietnam as a helicopter pilot. He graduated from Texas A&M University with a BBA in Finance and subsequently attended the University of Texas as a special student studying Petroleum Engineering and graduate business. He has served on numerous boards at Texas A&M and on the boards of several publicly traded companies.

Greg Butler
Chief Investment Officer

Greg co-founded Gryphon in 2019 and serves as Chief Investment Officer. Previously, Greg was Chief Financial Officer of Accelerate Resources, a private equity-backed non-operated E&P company focused on the Permian Basin. Prior to joining Accelerate, Greg served as an investment professional at Pine Brook Partners, an energy and financial services focused private equity firm. Greg began his career in the upstream A&D group at the boutique energy investment bank Simmons and Company. He received a B.S. in Finance and Corporate Reporting from the Carroll School of Management Honors Program at Boston College, where he graduated cum laude.

David Fulford
Chief Operating Officer

David has been with Gryphon since inception and serves as Chief Operating Officer. David has over thirteen years of experience with upstream operators, most recently as a Sr. Staff Reservoir Engineer with Apache Corporation (NASDAQ: APA) where he primarily served in a strategic planning role to advise executive management on capital allocation and strategic goal achievement as global technical lead for economic characterization of Apache’s assets, both conventional and unconventional. Most recently, he spent nearly a year in a full-time data analytics role as a founding member of the Data Engineering & Analytics team. Earlier in his career, he worked in various production, drilling, and reservoir engineering roles at Devon Energy (NYSE: DVN). David is a member of the Society of Petroleum Engineers (SPE), Society of Petroleum Evaluation Engineers (SPEE), and Society of Decision Professionals (SDP). He has authored 8 technical papers, holds a patent for statistical prediction of unconventional well performance, serves as a technical editor for SPE's peer-reviewed journals, and has been a member of multiple SPE conference committees. David earned a BS in petroleum engineering from Texas Tech University, and an MS in petroleum engineering from Texas A&M University.

Contact Us


2601 Westheimer, Suite C240

Houston TX 77098