| Michael J. Hennigan |
Michael J. Hennigan is currently the Chief Executive Officer & Director at Marathon Petroleum Corp. He is also the Chairman, President & Chief Executive Officer at MPLX LP and MPLX GP LLC. Additionally, he serves as an Independent Director at Nutrien Ltd. and holds the position of Director at Philadelphia Energy Solutions LLC. In his former roles, Hennigan served as the President & Chief Executive Officer at Sunoco Logistics Partners Operations LP and Sunoco Partners LLC. He was also the President & Chief Operating Officer at ETC Sunoco Holdings LLC and President-Crude, Liquids & Refined Products at Energy Transfer Operating LP. Hennigan has held various director positions at Niska Gas Storage Partners LLC, SunCoke Energy, Inc., Andeavor Logistics LP, and Tesoro Logistics GP LLC. He obtained his undergraduate degree from Drexel University in 1982. |
| Erin M. Brzezinski |
Erin M. Brzezinski is currently the Chief Accounting Officer, VP & Controller at Marathon Petroleum Corp. since 2024. Prior to this, she worked as the Manager-Accounting at MPLX GP LLC starting in 2019. Erin's former position was as the Director-Assurance & Audit Services at PricewaterhouseCoopers LLP. She completed her undergraduate degree at Ohio Northern University. |
| John J. Quaid |
John J. Quaid is currently serving as the Vice Chairman at Blanchard Valley Health Foundation. He also holds current positions as the Director at MPLX LP and as the Chief Financial Officer & Executive Vice President at Marathon Petroleum Corp. In his former roles, Mr. Quaid served as a Director at United States Steel & Carnegie Pension Fund, Inc. and The United Way of Allegheny County. He also worked as the Finance Director at US Steel Serbia and held the position of Chief Financial Officer, Director & Executive VP at MPLX GP LLC from 2021 to 2024. Additionally, he served as the Manager-Investor Relations at United States Steel Corp. and as a Manager at Pricewaterhousecoopers LLC. Mr. Quaid's education includes an undergraduate degree from Lehigh University, which he obtained in 1994. |
| Donald W. Wehrly |
Donald W. Wehrly is currently the Director at American Red Cross North Central Chapter and a Member at Boy Scouts of America. He was previously the Chief Information Officer & Vice President at Marathon Petroleum Corp. from 1981 to an unknown date. He also held the position of Manager-Information Technology Services at Marathon Petroleum Co. LLC. Wehrly received his undergraduate degree from Taylor University in 1981. |
| Fiona C. Laird |
Fiona C. Laird is currently the Chief Human Resources Officer & SVP-Communications at Marathon Petroleum Corp. She previously worked as an Independent Non-Executive Director at N Brown Group Plc from 2013 to 2018, as well as Chief Human Resources Officer at Andeavor LLC in 2018. Laird also held the position of Senior Vice President-Human Resources at Unilever Plc and Chief Human Resources & Communications Officer at Newell Brands, Inc. from 2016 to 2017. Laird received a graduate degree from Case Western Reserve University and an undergraduate degree from the University of Strathclyde in 1985. |
| C. Kristopher Hagedorn |
Currently, C. Kristopher Hagedorn is Senior Vice President & Controller at Marathon Petroleum Corp. and Chief Financial Officer & Executive Vice President for MPLX LP (a subsidiary of Marathon Petroleum Corp.).
Mr. Hagedorn previously occupied the position of Vice President & Controller of CONSOL Energy, Inc., Principal Accounting Officer, VP & Controller at CNX Resources Corp. Chief Accounting Officer for CNX Midstream Partners LP and Chief Accounting Officer for CNX Midstream GP LLC (both are subsidiaries of CNX Resources Corp.), Senior Manager-Audit at PricewaterhouseCoopers LLP, Vice President & Controller of MPLX LP and Vice President & Controller for MPLX GP LLC.
He received an undergraduate degree from West Virginia University. |
| Molly R. Benson |
Molly R. Benson is currently the Director at Hancock Properties Foundation, Inc. and a Member-Counselors Board at the University of Findlay. She is also the Secretary, Chief Governance & Compliance Officer at Tesoro Logistics GP LLC, Secretary & Chief Legal Officer at Marathon Petroleum Corp., Secretary & Chief Legal Officer at MPLX LP, and Secretary, Chief Securities & Governance Officer at MPLX GP LLC. Previously, she worked as the Group Counsel-North American Production at Marathon Oil Co. from 2010 to 2011 and as the Secretary, Chief Governance & Compliance Officer at Andeavor Logistics LP. Ms. Benson graduated from The University of Toledo College of Law in 1997 with a graduate degree and from The Ohio State University in 1987 with an undergraduate degree. |
| David R. Sauber |
David R. Sauber is currently working as the SVP-Labor Relations, Operations & Health Services at Marathon Petroleum Corp. He previously worked as the Vice President-Human Resources at Shell Oil Co., Manager-Human Resources at Motiva Enterprises LLC, and Manager-Industrial Relations at Shell Oil Products US. Mr. Sauber holds a graduate degree from Michigan State University and an undergraduate degree from Central Michigan University. |
| Ehren D. Powell |
Ehren D. Powell currently works at Marathon Petroleum Corp., as Chief Digital Officer & Senior Vice President from 2020. Mr. Powell also formerly worked at GE Healthcare Ltd. (United Kingdom), as Chief Information Officer & Vice President, GE Power Systems, Inc., as Chief Information Officer & Senior Vice President, and Wabtec Transportation Systems Ltd., as Chief Information Officer. Mr. Powell received his undergraduate degree from the University of Cincinnati (Ohio). |
| Brain K. Partee |
Brain K. Partee currently works at MPLX LP, as Senior Vice President from 2018, the University of Findlay, as Trustee, MPLX GP LLC, as Senior Vice President, and Marathon Petroleum Corp., as Chief Global Optimization Officer from 2024. Mr. Partee also formerly worked at Marathon Pipe Line LLC, as Accountant and American Petroleum Institute, Inc., as Member. Mr. Partee received his undergraduate degree from Bowling Green State University and Masters Business Admin degree from the University of Findlay. |
| Rick D. Hessling |
Rick D. Hessling is currently the Chief Commercial Officer at Marathon Petroleum Corp. and the Senior Vice President at MPLX LP. He completed his undergraduate degree at Central Michigan University. |
| Maryann T. Mannen |
Maryann T. Mannen is currently serving as an Independent Director at Owens Corning since 2014. She is also currently a Director at MPLX LP and MPLX GP LLC since 2021. Additionally, she holds the position of Secretary at The Cynthia Woods Mitchell Pavilion. Ms. Mannen's former positions include Chairman at The Awty International School Houston, Director-Investor Relations at FoodTech International, Inc., Controller-FoodTech Group at FMC Corp., Chief Financial Officer & Executive Vice President at FMC Technologies, Inc. from 2014 to 2017, Finance Manager at Sheller Globe Corp., and Chief Financial Officer & Executive Vice President at TechnipFMC plc from 2017 to 2021. Ms. Mannen completed her undergraduate degree and MBA from Rider University. |
| John P. Surma |
John P. Surma is currently the Chairman at the University of Pittsburgh Medical Center. He is also the Independent Non-Executive Chairman at Marathon Petroleum Corp., Independent Director at Trane Technologies Plc, Independent Director at Public Service Enterprise Group, Inc., Director at the University of Pittsburgh, Director at the National Association of Manufacturers, Director at the World Steel Association, Director at the Allegheny Conference on Community Development, Director at RSP Permian LLC, Independent Director at MPLX LP, Independent Director at MPLX GP LLC, Partner at PricewaterhouseCoopers LLP, and Member of The American Institute of Certified Public Accountants. Previously, Mr. Surma served as the Chairman & Chief Executive Officer at Stelco, Inc. (Canada), Executive Chairman at United States Steel Corp., Chairman at the National Safety Council, Chairman at the American Iron & Steel Institute, Inc., Chairman at the Allegheny County Parks Foundation, Chairman at the Federal Reserve Bank of Cleveland, Director at Calgon Carbon Corp., Director at Mellon Financial Corp., Independent Director at The Bank of New York Mellon Corp., Independent Director at Concho Resources, Inc., Senior Vice President-Supply & Transportation at Marathon Petroleum Co. LLC, Partner at Pricewaterhouse LLP, President at Speedway LLC, and Senior Vice President-Finance & Accounting at Marathon Oil Co.Mr. Surma obtained his undergraduate degree from The Pennsylvania State University in 1976. |
| David R. Heppner |
David R. Heppner is currently the Director at Habitat for Humanity International, Inc. He is also the Chief Strategy Officer & SVP-Business Development at Marathon Petroleum Corp., the President at United Way of Clark, Champaign & Madison Counties, the Senior Vice President at MPLX LP, and the Senior Vice President at MPLX GP LLC. Additionally, he serves as a Trustee at Ohio Northern University. In his former roles, Mr. Heppner worked as the Vice President-Commercial & Business Development at Speedway LLC, the Vic President at Boy Scouts of America, and as a Member-Governors Board at Children's Miracle Network. He also served as a Trustee at Dayton Children's Hospital and held the position of Vice President at Black Swamp Area Council. Prior to that, he worked as the Manager-Purchasing & Commercial Services at Emro Marketing Co.Mr. Heppner obtained his undergraduate degree from Ohio Northern University in 1988. |
| Frank M. Semple |
Frank M. Semple is currently the Chairman, President & Chief Executive Officer at MarkWest Hydrocarbon LLC. He is also an Independent Director at Marathon Petroleum Corp., MPLX LP, MPLX GP LLC, and Director at Choctaw Global LLC. Previously, Mr. Semple held the positions of Chairman, President & Chief Executive Officer at MarkWest Energy Partners LP and MarkWest Energy GP LLC from 2003 to 2015. He was also a Director at INCOMPAS and Equess Communications, Inc., as well as a Director at Andeavor Logistics LP, Tesoro Logistics GP LLC, and Tortoise Acquisition Corp. He served as Vice President-Operations & Engineering at Northwest Pipeline LLC and Chief Operating Officer at Williams Communications Group, Inc. and WilTel Communications LLC. Additionally, he was the Division Manager at Williams Pipe Line Co. LLC and Senior Vice President & General Manager at Williams Natural Gas Co. Mr. Semple started his career as Chief Operating Officer at WilTel Communications Group LLC. Mr. Semple obtained his undergraduate degree from the United States Naval Academy. |
| Charles E. Bunch |
Charles E. Bunch is currently an Independent Director at Mondelez International, Inc. and Marathon Petroleum Corp. He previously served as the Executive Chairman at PPG Industries, Inc. from 2015 to 2016. He also held positions as Chairman at the Federal Reserve Bank of Cleveland, the National Association of Manufacturers, and the American Coatings Association. Additionally, he was a Vice Chairman at The Pittsburgh Cultural Trust. Bunch served as an Independent Director at H.J. Heinz Co. from 2011 to 2013 and at The PNC Financial Services Group, Inc. from 2007 to 2022. He was also an Independent Director at ConocoPhillips from 2014 to 2022. Bunch has also served as a Director at the National Paint & Coatings Association and as a Trustee at the University of Pittsburgh. He obtained his undergraduate degree from Georgetown University and an MBA from Harvard Business School. |
| Jonathan Z. Cohen |
Jonathan Z. Cohen founded Atlas Pipeline Partners LP in 1999, where he worked as Executive Vice Chairman from 2013 to 2015, ACRES Commercial Realty Corp. in 2005, where he worked as President, Chief Executive Officer & Director from 2011 to 2016, Atlas Energy, Inc. in 2000, where he worked as Vice Chairman from 2000 to 2011, and various other companies. Mr. Cohen also founded Castine Capital Management LLC, Zenith Energy Logistics Partners LP, where he worked as Chairman from 2006 to 2017, and Seal Rock Partners, where he is working as Chairman. Mr. Cohen also currently works at RAI Acquisition Corp., as President & Chief Executive Officer, Resource Real Estate Management LLC, as Chairman from 2007, The American School of Classical Studies At Athens (US), as Executive Chairman from 2015, and various other companies. Mr. Cohen also formerly worked at Resource America, Inc., as President, Chief Executive Officer & Director from 2011 to 2016, Resource Financial Fund Management, Inc., as Chief Executive Officer, Atlas Growth Partners GP LLC, as Chief Executive Officer & Director from 2013 to 2020, and various other companies. Mr. Cohen received his undergraduate degree in 1992 from the University of Pennsylvania and graduate degree from American University Washington College of Law. |
| Kim K. W. Rucker |
Kim K. W. Rucker is currently an Independent Director at HP, Inc. and Lead Independent Director at Celanese Corp. They also hold positions as an Independent Director at Marathon Petroleum Corp., Director at Haven for Hope of Bexar County, Inc., Director at GE Vernova, Inc., and Trustee at Johns Hopkins Medicine, Inc. In the past, Ms. Rucker served as an Independent Director at Lennox International, Inc. from 2015 to 2024. They were also the Secretary, Chief Compliance Officer & Senior VP at Avon Products, Inc. from 2008 to 2012, Corporate Counsel at Kimberly-Clark Corp. from 2001 to 2004, Secretary, Executive VP & General Counsel at Andeavor LLC from 2016 to 2018, and Executive Vice President-Legal Affairs at Mondelez International, Inc. . Additionally, Ms. Rucker held the position of Secretary, Executive VP-Corporate & Legal Affairs at Kraft Foods Group, Inc. from 2012 to 2015, Executive Vice President-Corporate & Legal Affairs at Kraft Foods North America, Inc., Secretary, Chief Governance Officer & Senior VP at Energy Future Holdings Corp. from 2004 to 2008, Executive Vice President & General Counsel at Andeavor Logistics LP from 2016 to 2018, and Executive Vice President & General Counsel at Tesoro Logistics GP LLC from 2016 to 2018. They were also a Partner at Sidley Austin LLP. Ms. Rucker obtained an undergraduate degree from the University of Iowa in 1989. They also attended Harvard Law School for their graduate degree and Harvard Kennedy School of Government for another graduate degree, which was conferred in 1993. |
| Susan Tomasky |
Susan Tomasky is currently the Lead Independent Director at Public Service Enterprise Group, Inc. She also holds director positions at United Way of Central Ohio, Inc., Columbus Regional Airport Authority (Ohio), Columbus Chamber of Commerce, Keystone Institute, Greater Columbus Chamber of Commerce, Marathon Petroleum Corp., Public Service Electric & Gas Co., Kenyon College, Federal Reserve System, The Columbus Association for The Performing Arts, Columbus School for Girls, Fidelity Equity & High Income Funds, and Royal Shakespeare Co. America. In the past, Ms. Tomasky has served as a Director & Vice President at Appalachian Power Co., Indiana Michigan Power Co., and Southwestern Electric Power Co. She was also the Lead Independent Director at Andeavor LLC from 2014 to 2018. Additionally, she held director positions at BPL Global LLC, Federal Reserve Bank of Cleveland, Summit Midstream GP LLC, Summit Midstream Partners LP, AEP Generating Co., American Electric Power Co., Inc., AEP Texas Central Co., Columbus Southern Power Co., Kentucky Power Co., Public Service Company of Oklahoma, Mount Carmel Health System, Hogan & Hartson LLP, Federal Energy Regulatory Commission, and Columbus Symphony Orchestra, Inc.Ms. Tomasky completed her undergraduate studies at the University of Kentucky and obtained a graduate degree from George Washington University Law School. |
| Abdulaziz bin Fahd Al-Khayyal |
Mr. Abdulaziz bin Fahd Al-Khayyal is an Independent Chairman at National Gas & Industrialization Co., an Independent Director at Marathon Petroleum Corp. and an Independent Director at Halliburton Co. He is on the Board of Directors at Marathon Petroleum Corp., Halliburton Co. and International Youth Foundation, Inc. Mr. Al-Khayyal was previously employed as an Independent Director by Saudi Electricity Co., a President by Petron Corp., a President by Saudi Petroleum International Co., a Chairman by Rabigh Refining & Petrochemical Co., and a Director & Senior VP-Industrial Relations by Saudi Arabian Oil Co. He received his undergraduate degree from the University of California, Irvine and an MBA from the University of California, Irvine. |
| Birch Evans Bayh |
Birch Evans Bayh is currently an Independent Director at Fifth Third Bancorp, a Director at Berry Global, Inc., a Director at Fifth Third Bank, NA (Cincinnati, Ohio), an Independent Director at Berry Global Group, Inc., an Independent Director at Marathon Petroleum Corp., an Independent Trustee at RLJ Lodging Trust, and a Partner at McGuireWoods LLC. Previously, he served as an Independent Director at McGraw-Hill Education, Inc., a Director at Zenith American Solutions, Inc., a Partner & Of Counsel at Cozen O'Connor, the Governor of the State of Indiana, a Partner at McGuireWoods LLP, and a Member of the United States Senate. He holds a graduate degree from the University of Virginia and an undergraduate degree from Indiana University. |
| John Michael Stice |
John Michael Stice is currently the Chief Executive Officer at Williams MLP Operating LLC. He is also an Independent Director at Kosmos Energy Ltd., Director at Southern Gas Association, Independent Director at Marathon Petroleum Corp., Independent Director at MPLX LP, Independent Director at MPLX GP LLC, Independent Director at Spartan Acquisition Corp. IV, President at OKWU Foundation, and a Professor at the University of Oklahoma. In the past, Dr. Stice served as the Chief Executive Officer & Director at Access Midstream GP LLC from 2009 to 2014. He was also the Chief Executive Officer at Chesapeake Midstream Operating LLC. Additionally, he held positions such as Director at MarkWest Energy Partners LP, Director at Williams Partners GP LLC, Independent Director at SandRidge Energy, Inc., Director at MarkWest Energy GP LLC, Director at Williams Partners LP, Independent Director at U.S. Silica Holdings, Inc., Director at WPZ GP LLC, Managing Director at Conoco Australia Pty Ltd., Independent Director at Spartan Energy Acquisition Corp., Independent Director at Spartan Acquisition Corp. II, Independent Director at Spartan Acquisition Corp. III, Senior Vice President-Natural Gas Projects at Chesapeake Energy Corp., President-Gas & Power Divisions at ConocoPhillips, President-Conoco Energy Solutions at Conoco, Inc., President at Chesapeake Midstream Development LLC, President & Chief Operating Officer at Chesapeake Midstream Development LP, Dean at Mewbourne College of Earth & Energy, President at ConocoPhillips Qatar Ltd., and Plant Manager at Louisiana Gas System, Inc. He was also the President at Conoco Asia Pacific Ltd.Dr. Stice received his graduate degree from Stanford University in 1995. He earned his doctorate degree from George Washington University in 2011. He completed his undergraduate degree at the University of Oklahoma in 1981. |
| Edward G. Galante |
Edward G. Galante is currently the Vice Chairman at Northeastern University. He also holds current positions as the Lead Independent Director at Clean Harbors, Inc., Independent Director at Celanese Corp., Director at Artis-Naples, Inc., Director at United Way Foundation, Independent Director at Marathon Petroleum Corp., and Director at United Way Foundation of Metropolitan Dallas. In the past, Mr. Galante served as the Chairman & Managing Director at Bangchak Sriracha PCL from 1997 to 1999. He was also a Director at Foster Wheeler AG from 2008 to 2015, Independent Director at Linde, Inc. (Connecticut) from 2007 to 2018, Independent Director at Andeavor LLC from 2016 to 2018, and Director at JA Worldwide, Inc., United Way of Metropolitan Dallas, Inc., Amec Foster Wheeler (Holdings) Ltd., and Linde plc. He was the Senior Vice President at Exxon Mobil Corp. from 2001 to 2006 and the Executive Vice President at ExxonMobil Chemical Co., Inc. from 1999 to 2001. Mr. Galante obtained his undergraduate degree from Northeastern University in 1973. |
