Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2020-03-13 | Maryann T. Mannen has served as Executive Vice President and Chief Financial Officer of TechnipFMC (a successor to FMC Technologies, Inc.), a global leader in subsea, onshore/offshore, and surface projects for the energy industry, since January 2017. |
| 2021-03-11 | Ms. Mannen currently serves as Executive Vice President and Chief Financial Officer of Marathon Petroleum Corporation, a leading, integrated, downstream energy company. From 2017 to January 2021 she was the Executive Vice President and Chief Financial Officer of TechnipFMC (a successor to FMC Technologies, Inc.), a global leader in subsea, onshore/offshore, and surface projects for the energy industry. |
| 2022-03-10 | Ms. Mannen currently serves as Executive Vice President and Chief Financial Officer of Marathon Petroleum Corporation, a leading, integrated, downstream energy company. From 2017 to January 2021 she was the Executive Vice President and Chief Financial Officer of TechnipFMC. |
| 2023-03-09 | Ms. Mannen currently serves as Executive Vice President and Chief Financial Officer of Marathon Petroleum Corporation... She has extensive financial and risk management experience and is chair of the Audit Committee. |
| 2024-03-07 | Ms. Mannen currently serves as President of Marathon Petroleum Corporation, a leading, integrated, downstream energy company, since January 2024. From 2017 to January 2021, she served as Executive Vice President and Chief Financial Officer of TechnipFMC (a successor to FMC Technologies, Inc.), a global leader in subsea, onshore/offshore, and surface projects for the energy industry. |
| 2025-03-14 | Ms. Mannen has served as President and Chief Executive Officer of both Marathon Petroleum Corporation, a leading, integrated, downstream energy company, and MPLX LP, a diversified, large-cap master limited partnership formed by Marathon Petroleum that owns and operates midstream energy infrastructure and logistics assets, and provides fuels distribution services, since August 2024. |
Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-03-19