RimRock Oil & Gas, LP is an independent oil and gas company focused on the acquisition and development of North American oil and gas assets. Founded in 2016 and currently based in Denver, Colorado, RimRock is a portfolio company of Warburg Pincus.

RimRock is led by President and Chief Executive Officer Jim Fraser who brings decades of upstream oil and gas experience across the United States and Canada. Mr. Fraser has a proven track record of creating, building and leading value-added initiatives at leading energy companies including Talisman Energy, where he led the North American shale division, as well as Chesapeake Energy and Burlington Resources, where he served in executive roles focused on the upstream sector.