Bio, work history, education & how to reach out.
CMO at Marathon Petroleum Corporation
*******@marathon petroleum corporation.com
+1 **********
Last updated: 2026-03-03
Maryann T. Mannen is the President and CEO of Marathon Petroleum Corporation, with extensive experience in energy, finance, and strategic leadership. She became President in January 2024 and CEO in August 2024, succeeding Michael J. Hennigan. Mannen has a strong background in financial analysis, mergers, and corporate strategy.
Maryann T. Mannen has a distinguished career in the energy sector, holding leadership roles at Marathon Petroleum and other major companies. She has been instrumental in driving growth and strategic initiatives, emphasizing accountability and transparency.
Maryann Mannen holds an Executive MBA in Strategy & Leadership from the University of Texas at San Antonio, and she has advanced degrees in Control Systems and System Engineering from Universidad Bicentenaria de Aragua.
You can reach Maryann T. Mannen at *******@marathon petroleum corporation.com or by calling +1 **********. To get Maryann T. Mannen's contact information and other B2B leads like this, sign up for a free account at Anybody.com.
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