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Mr. Hennigan is president and chief executive officer of Marathon Petroleum Corporation. He is also chairman of the board and president and chief executive officer of MPLX GP LLC.

Prior to joining MPLX GP LLC in 2017, Mr. Hennigan was president, crude, NGL and refined products of the general partner of Energy Transfer Partners L.P. Prior to that, he served as president and chief executive officer of Sunoco Logistics Partners L.P. He was responsible for all operations and business activities, including setting the direction, strategy and vision for the company.

Mr. Hennigan began his career with Sunoco, Inc. in 1981 at the Marcus Hook refinery, working in various engineering and operations positions before joining the business planning department in 1990. In 1992, he transferred to the Philadelphia refinery before joining the corporate business planning group in 1993. There, he worked on various strategies for northeast refining before returning to Marcus Hook as business manager in 1996. In 1998, he returned to Sunoco’s corporate office as manager, financial analysis and strategic planning. In 2000, he was named general manager, northeast refining wholesale fuels marketing and product supply and in 2001 was appointed vice president, product trading, sales and supply. In 2006, Mr. Hennigan was appointed senior vice president, supply, trading, sales and transportation and senior vice president, business improvement in 2008. Mr. Hennigan joined Sunoco Logistics as vice president, business development in 2009. He was named president and chief operating officer in 2010 and was appointed president and chief executive officer in 2012. In 2017, Mr. Hennigan was named president of MPLX GP LLC and in November 2019 was named president and chief executive officer. He assumed his current position on March 18, 2020.

Mr. Hennigan holds a Bachelor of Science degree in chemical engineering from Drexel University.

Mr. Hennigan serves on the board of directors of Marathon Petroleum Corporation and MPLX GP LLC.

Michael J. Hennigan


Marathon Petroleum Corporation

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