Marathon Petroleum Corp. announced that board member John P. Surma has been elected by the board of directors to serve as non-executive chairman of the board. Company also announced that MPC President and Chief Executive Officer Michael J. Hennigan has been elected to serve as a member of the board. Both appointments became effective April 29, 2020. Surma, a member of the MPC board of directors since 2011, retired as chief executive officer of United States Steel Corporation in September 2013 and as executive chairman in December 2013. Hennigan assumed his role as president and chief executive officer of MPC in March.