Marathon Petroleum Corp. (MPC) has completed its leadership transition plan with Maryann Mannen as president and CEO.
Serving on the MPC Board of Directors is Michael Hennigan as executive chairman and John Surma as lead director. Operating the nation's largest refining system, MPC is a leading, integrated, downstream energy company headquartered in Findlay, Ohio.
Maryann Mannen, MPC
Mike Hennigan, MPC
John Surma, MPC
