Morris R. Clark

Mr. Clark joined the SM Energy Board of Directors in January 2026 upon the closing of the merger with Civitas Resources, Inc.  He currently serves on the Audit Committee.

Mr. Clark is a retired energy industry executive with more than three decades of experience spanning finance, tax, accounting, and corporate governance. He previously served as Vice President and Treasurer of Marathon Oil Corporation from 2014 to 2019 and as Assistant Treasurer from 2007 to 2014. Prior to his leadership roles in treasury, Mr. Clark served as Senior Tax Counsel at Enron North America, as a Tax Attorney at Bracewell & Patterson, and as a Senior Accountant with Touche Ross & Company.

Mr. Clark served as a director of Civitas Resources, Inc., and as Chair of the Audit Committee. He also served as a director of Extraction Oil & Gas, Inc. from January 2021 through October 31, 2021, prior to its combination with Civitas.

Following his retirement from Marathon in 2019, Mr. Clark has remained active in community-based and educational organizations, with a particular focus on advancing higher education and broadband accessibility in underserved communities.

Mr. Clark currently serves on the Board of Directors of Sitio Royalties Corp. and on the Board of Trustees for the University of St. Thomas in Houston, Texas. He holds a bachelor’s degree in Accounting from Southern University, a Juris Doctor from Tulane Law School, and a Master of Laws from New York University School of Law.