Maryann Mannen
executiveFemale0.0Global Dominance: 0.00%
Maryann Mannen is the CEO of Marathon Petroleum, one of the largest petroleum refining companies in the United States. With a strong background in operations and engineering, she has played a key role in leading the company through various market challenges and has been an advocate for sustainable energy practices and initiatives within the industry.
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Recent news mentions
Marathon Petroleum CEO Maryann Mannen is among the leaders on the trade group’s executive committee.
Trump pushes energy dominance agenda in meeting with US oil executivesStabroek News·
Guyana· 2025-03-20
Guyana· 2025-03-20
Maryann Mannen is the CEO of Marathon Petroleum and will be present at the meeting with Trump.
Trump to host top U.S. oil chief executives as trade wars loomThe Globe and Mail·
Canada· 2025-03-20
Canada· 2025-03-20