Scott St. John

Vice President of Environmental Compliance and Engineering


Scott St. John has a background in engineering and years of experience in the energy industry. He worked as an Engineering Project Manager for CITGO Petroleum Corporation in Tulsa, Chicago, and Oklahoma City where he gained extensive knowledge of regulations and the energy industry. 

In 2005, Scott joined Reagan Smith bringing his years of experience in the energy industry. Scott is well versed in county, state and Federal regulations. He specializes in highly regulated drilling operations and working as a liaison between government entities and operators. Scott deals directly with the Bureau of Land Management and Bureau of Indian Affairs on a daily basis to ensure operators are compliant with regulations.

Scott works with clients on Environmental, Social and Governance evaluations, audits and compliance. He holds a certificate in ESG Leadership from University of Oklahoma. He has managed large development projects on federal and Tribal lands.

Scott is also specialized in federal environmental law and regulations. He leads the environmental, wildlife and permitting departments in providing regulatory permits to a variety of industries. 

Scott is also a senior partner at St. John, Griffin & Krieg, P.L.L.C. which focuses on Native American and natural resource law.

  • B.S. in Mechanical Engineering, Oklahoma State University

  • Juris Doctorate, Oklahoma City University

  • ESG Leadership Certificate Program, University of Oklahoma

  • USFWS Section 10 Endangered Species Permit

  • Member AAPL, OCAPL, TAPL, OIPA, OBA, ABA, AWEA, ASEA