Michael Henschen
Executive Vice President, Refining · Marathon Petroleum
Executive Vice President, Refining of Marathon Petroleum since June 2025. He joined in 2004 as a refining planner and has managed maintenance at the Detroit and Galveston Bay refineries. Marathon Petroleum ranked No. 30 on the 2026 Fortune 500.
Last reviewed: Oct 1, 2026
Michael Henschen
Executive Vice President, Refining Marathon Petroleum
Last Reviewed: October 1, 2026
Executive Summary
Michael Henschen leads Marathon Petroleum’s refining business, as Senior Vice President from October 2024 and Executive Vice President since June 2025. He has spent his career in the company’s refining operations, starting as a refining planner in 2004, managing maintenance at the Detroit and Galveston Bay refineries, and leading refining reliability and engineering before becoming Vice President of Refining in 2020. Marathon Petroleum ranked No. 30 on the 2026 Fortune 500.
Career Highlights
- Executive Vice President, Refining of Marathon Petroleum since June 2025.
- Senior Vice President Refining, 2024 to 2025.
- Vice President Refining, 2020 to 2024.
- Director Refining, Reliability and Engineering, from 2017.
Professional Journey
Henschen joined Marathon Petroleum as a refining planner in 2004. From 2011 he was maintenance manager for the Detroit refinery and then the Galveston Bay refinery, and from 2017 Director of Refining, Reliability and Engineering.
He became Vice President of Refining in 2020, Senior Vice President of Refining in October 2024 and Executive Vice President of Refining in June 2025. He serves on the executive board of the Louisiana Mid-Continent Oil and Gas Association.
Education
No first-party source read for this profile states his education.
