Maryann Mannen – Biography
Last update: March 8, 2026Executive profile
Maryann Mannen joined Marathon Petroleum in 2026.
Maryann Mannen is currentlyPresident, Chief Executive Officer and Chair of the Board at MPLX - View - MPLX org chart
President, Chief Executive Officer and Chairman of the Board at Marathon Petroleum - View - Marathon Petroleum org chart
Independent Director and Chair of Audit Committee at Owens Corning - View - Owens Corning org chart
Independent Director at Prudential Financial - View - Prudential Financial org chart
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Education
Maryann Mannen has a Degree in business administration from Rider University.
They have also studied at Rider University :
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The colleagues of Maryann Mannen
Company Colleagues
- At MPLX, Maryann Mannen has 22 colleagues including Michael Stice (Director), Maria Khoury (Director)…
- At Marathon Petroleum, Maryann Mannen has 66 colleagues including Eileen Paterson (Director), Abdulaziz Alkhayyal (Director)…
- At Owens Corning, Maryann Mannen has 43 colleagues including Brian Chambers (CEO & Chairman), Paul Martin (Director)…
- At Prudential Financial, Maryann Mannen has 327 colleagues including Andy Sullivan (CEO & Chairman), Michael Todman (Director)…
Industry Colleagues
- In the Oil & Gas industry, Maryann Mannen has 23,580 colleagues in 1,350 companies located in 105 countries. 12,281 executive movements have been recorded in the last 12 months. Learn more about Oil & Gas.
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