Brian Thomas (Partner/CEO)

Mr. Thomas is the former Texas operation leader for a global consulting firm that consisted of a multi-disciplinary team of over 80 engineers and scientists in seven offices across the state. He has over 23 years of experience in environmental engineering for energy sector clients and was a former principal/co-owner of leading environmental consulting firm based in Austin. Mr. Thomas holds a BS in Biosystems Engineering from Oklahoma State University and an MBA from Southern Methodist University. While at SMU, Brian played a leadership role with the Maguire Energy Institute evaluating how firms were planning to navigate the on-going energy transition as well as associated ESG-related threats and opportunities.

Chris Mitchell (Partner/COO)

Mr. Mitchell is currently a Partner with Rimrock Energy Partners, LLC, and was formerly President & COO of Rimrock Midstream, LLC. He has over 25 years of experience in the energy and environmental science sectors developing energy infrastructure and as the founder of a leading environmental and hydrogeologic engineering firm. He has extensive experience negotiating commercial and service agreements, overseeing large scale infrastructure construction projects and with environmental permitting, compliance and due diligence services in association with energy infrastructure. He holds a BS in Environmental Science from Texas Christian University, and an MBA in Finance from Southern Methodist University.

Matt Valentine (Partner/CFO)

Mr. Valentine is currently a Partner with Rimrock Energy Partners, LLC, and was formerly Chief Financial Officer of Rimrock Midstream, LLC. He has over 20 years experience in corporate finance, capital markets, financial analysis, and investment strategy. Prior to founding Rimrock Midstream, Mr. Valentine was Managing Director of Millbrook Equity Partners, a boutique Private Equity Advisory business. He holds a BA in Economics from Washington University and has held numerous financial accreditations and licenses over his career.

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