Thomas Mwangi serves as President and Chief Executive Officer of R&F Industries. He is a drilling, completions, and operations executive with 27+ years in oil and gas, including 16+ years in leadership roles. Over his career, he has directed field operations with annual budgets exceeding $1.5 billion, led 400+ employees and consultants, and maintained operational integrity and compliance across 14 field locations in four countries.
Mr. Mwangi’s experience includes deploying completion technologies for horizontal wells, production optimization programs, lean operating improvements that reduced cost structure, and emissions reduction initiatives including zero-flaring programs. He has also led ERP and SAP implementations that strengthened operating controls, reporting discipline, and decision support.
John Boyd serves as Chief Operating Officer of R&F Industries and brings 47+ years of oil and gas operations leadership across the United States, the Middle East, North Africa, and West Africa. He has deep experience delivering complex drilling and workover programs in both deepwater and shallow-water environments, including managed pressure drilling and high temperature, high pressure operations.
Prior to joining R&F Industries, Mr. Boyd held leadership roles at Double Eagle Energy, where he supported engineering, planning, and development execution across multiple company platforms. Earlier, he served in operational and technical roles at Concho Resources Inc. and Devon Energy Corporation, focused on vertical and horizontal development of unconventional assets in the Permian Basin and East Texas. He holds a BS in Petroleum Engineering from Texas A&M University and is a member of the Society of Petroleum Engineers.
George Maina serves as Chief Commercial Officer of R&F Industries and leads corporate strategy, business development, marketing, and commercial planning. He brings experience across upstream investing, transactions, and stakeholder communications, with a focus on translating market signals and portfolio priorities into executable growth initiatives.
Prior to joining R&F Industries, Mr. Maina worked on the investment staff at EnCap Investments, supporting a range of management teams and oil and gas strategies across major North American basins. Earlier, he served in the Energy Investment Banking Group at Raymond James & Associates, advising on public capital raises and M&A transactions within the energy sector. He graduated magna cum laude from Vanderbilt University with degrees in Economics.
Elaine Landry serves as Chief Financial Officer of R&F Industries and is responsible for finance, accounting, reporting, and administrative functions. Her background includes long-tenured CFO leadership, internal controls, and performance management across multi-asset organizations.
Prior to joining R&F Industries, Ms. Landry served as CFO of Manti Exploration Operating for eleven years. Earlier, she spent twelve years with Texaco, holding multiple senior roles including CFO of Texaco’s Western U.S. operations, CFO for Latin America, and Assistant Controller for the International Division. She earned degrees in Finance and Accounting from the University of Houston (1990) and completed an MBA (1994).
Thomas O. Dumars Jr. serves as Chief Technical Officer, Business Development and Engineering at R&F Industries. He brings 20+ years of experience spanning reservoir, production, and drilling engineering, as well as leadership roles in strategic planning, reserves, and corporate development. Over his career, he has worked on more than 50 completed transactions, including mergers, acquisitions, and divestitures across the Lower 48, with a focus on technical diligence and value creation planning.
Prior to joining R&F Industries, Mr. Dumars joined Grenadier in 2018. Before that, he spent a decade at LINN Energy in leadership roles that included VP of Investor Relations and Corporate Development, Manager of Restructuring, Manager of Integrations and Data Management, Production Manager across multiple regions, and Senior Reservoir Engineer supporting business development. Earlier, he worked at ConocoPhillips as a reservoir engineer and field drilling engineer on the Deep Bossier team in East Texas and began his career at Burlington Resources as a production engineer in South Louisiana prior to its acquisition by ConocoPhillips. He earned a BS in Petroleum Engineering from Texas A&M University (2002) and has been a member of the Society of Petroleum Engineers for more than 20 years.
Eric Munger serves as Vice President of Geology at R&F Industries and has 32 years of experience exploring for and developing oil and gas fields. He supports prospect generation and subsurface evaluation across multiple basins, integrating interpretation, risking, and development planning to advance drilling opportunities.
Prior to joining R&F Industries, Mr. Munger spent seventeen years at Manti working a range of projects from Louisiana salt domes to the pinnacle reefs of the Michigan Basin. Earlier, he worked with Chevron and Pennzoil exploring and developing offshore Gulf of Mexico assets. He earned a BS in Geology from Duke University (1984) and an MS in Geology from the University of Missouri, Columbia (1986).
Jason Pickens serves as Vice President, Drilling and Completions at R&F Industries and brings 25 years of experience delivering safe, efficient well construction and completion execution. His work spans high-activity development programs and technically diverse well designs, with an emphasis on performance improvement, cycle-time reduction, and well integrity.
Prior to joining R&F Industries, Mr. Pickens worked at EOG Resources Inc., where he served as Drilling Manager in the San Antonio Eagle Ford region, drilling more than 2,000 wells and helping pioneer drilling techniques widely adopted across the industry. He also spent five years in EOG’s Midland Division executing wells that included deep HPHT gas wells, multi-laterals, and horizontals across multiple unconventional intervals. He began his career at Texaco as a production and completion engineer in Midland, Texas and later worked in drilling following the ChevronTexaco merger. He earned a BS in Petroleum Engineering from The University of Texas at Austin after two years at the United States Military Academy at West Point.
Aaron Webb serves as General Counsel of R&F Industries and brings 17 years of oil and gas experience spanning legal, land, and business development. He advises the Company on governance, commercial contracting, regulatory matters, and risk management, and supports transactions and strategic initiatives across the portfolio.
Prior to joining R&F Industries, Mr. Webb served in land and business development leadership roles and was a co-founder and president of a private equity-backed E&P company with operations in North and West Texas. Earlier, he held roles of increasing responsibility at Hilcorp Energy Company in the land organization supporting the Eagle Ford Shale and conventional South Texas assets. He holds a BA from Texas Tech University and a JD from South Texas College of Law.