Marathon Petroleum names new President
Maryann T. Mannen will succeed Michael J. Hennigan while he continues to serve as the company’s CEO.
Marathon Petroleum Corp. (MPC) has announced changes in its executive management team, starting January 1, 2024.
Maryann T. Mannen, Executive Vice President and Chief Financial Officer of MPC, has been appointed President, replacing Michael J. Hennigan, who will continue to serve as the company’s CEO. Hennigan will also be Chairman, President and Chief Executive Officer of the general partner of MPLX LP.
As MPC president, Mannen will have oversight responsibility for one of the US’ largest refining business, commercial performance, and the health, environment, safety and security function. She also will continue to serve as a member of the board of directors of the general partner of MPLX.
Prior to joining Marathon in 2021, Mannen had a 35-year career in the energy sector, holding positions of increasing responsibility at TechnipFMC and predecessor companies, including Executive Vice President and Chief Financial Officer.
"Maryann's new role is in recognition of her leadership capability and the contributions she has made across the Marathon landscape over the past few years. She has been instrumental in achieving our strategic progress," said Hennigan.
John J. Quaid has been appointed Vice President and Chief Financial Officer of MPC, succeeding Mannen. The prior Executive Vice President and Chief Financial Officer of the general partner of MPLX, will continue to serve as a member of the board of directors of the general partner of MPLX.
Quaid joined MPC in 2014 as Vice President and controller and became Executive Vice President and Chief Financial Officer of the general partner of MPLX in 2021. Prior to joining MPC, Quaid held several roles of increasing responsibility at U. S. Steel.
Mannen and Quaid will continue reporting to Hennigan in their new roles.
