Our Team

The core Mongoose team is a tight-knit group that has worked together for most of the past decade, assembling a record of generating impressive returns.

Stephen Ferguson

Chief Executive Officer

Stephen Ferguson is a seasoned leader with a deep and successful background in multiple aspects of the energy industry, including business development, reservoir engineering and production engineering.

Steve Widner


Steve Widner has two decades of oil and gas land and management experience in all areas of Texas, as well as Pennsylvania, Louisiana and Wyoming.

Kirk Harlton

Vice President, Geology

Kirk Harlton is an expert petroleum geologist with deep experience in Texas in addition to other North American basins. He is highly skilled in integrating engineering, geological, geochemical and petrophysical analysis to identify high-graded areas and play concepts.

Kale Wallace

Vice President, Engineering

Kale Wallace is an accomplished reservoir and production engineer having worked many of the emerging unconventional plays in the US. He has experience in business development as well as technical aspects of subsurface engineering.