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Michael J. Hennigan

Also Known As Hennigan Michael J., Michael Hennigan

President and CEO, Marathon Petroleum Corp.Chairman and President and CEO, MPLX L.P..

Michael J. Hennigan's profile picture

Michael J. Hennigan (born 28 July 1959 in Philadelphia, Pennsylvania) is president and chief executive officer of Marathon Petroleum Corporation (MPC), the largest independent petroleum product refining, marketing and retail, and midstream business in the United States with more than 130 years of experience in energy business. 

Hennigan is also chairman of the board and president and chief executive officer of MPLX GP LLC.

Prior to joining MPLX GP LLC in 2017, 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. 

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.

In 1998, he returned to Sunoco’s corporate office as manager, financial analysis and strategic planning. 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, Hennigan was named president of MPLX GP LLC and in November 2019 president and chief executive officer. He assumed his current position on March 17, 2020.

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


  • Bachelor of Science in Chemical Engineering - Drexel University


  • Marathon Petroleum - President and CEO
  • MPLX L.P. - Chairman, President and CEO
  • Sunoco, Inc. - President and CEO

Other Activites

He also serves on the boards of directors of Marathon Petroleum Corporation, MPLX GP LLC and Nutrien Ltd.