Board of Directors

Walter R. Arnheim* has served as an independent director of our board since 2009. From 2006 until 2009, he served as an independent director of the general partner of Magellan Midstream Holdings, L.P. (“MGG”), a formerly publicly traded affiliate. Mr. Arnheim currently serves as President of Mozaik Investment, a private equity firm. From 2005 to 2020, he served on the board of directors of Opera Lafayette. In 2004 and 2005, Mr. Arnheim served on the board of directors of Spinnaker Exploration until its acquisition by Norsk Hydro. From 2000 until 2002, he was Executive Director of the Washington National Opera and was previously employed by Mobil Corporation for 32 years in a number of positions of increasing responsibility including Vice President (“VP”) of Planning and Treasurer. He is qualified to serve on our board because of his extensive energy-related experience in finance and strategic planning.  Mr. Arnheim earned a bachelor’s degree in chemical engineering from the University of Pittsburgh and a master’s degree in finance and operations research from Columbia University.


Lori A. Gobillot* has served as an independent director of our board since 2016. She is a business consultant, offering project management and strategic consulting services. From 2010 until 2012, Ms. Gobillot served as VP, Integration Management at United Airlines, Inc., where she managed the company’s merger integration planning and implementation efforts following the merger with Continental Airlines, Inc. (“Continental Airlines”). Prior to the merger, she served as Assistant General Counsel and Assistant Secretary of Continental Airlines since 2006 and held various roles in legal and corporate real estate while there. Before joining Continental Airlines, Ms. Gobillot was an attorney with the law firm of Vinson & Elkins. Prior to attending law school, she worked in real estate development with Trammell Crow Company and Senterra Development and as a consultant with Arthur Andersen & Co. Ms. Gobillot has served on the board of directors of Republic Airways Holdings, Inc. since 2017, where she is chair of the compensation committee. She is qualified to serve on our board because of her extensive project management and legal experience at a capital intensive and highly regulated public company, and her experience in corporate governance and executive compensation. Ms. Gobillot earned a bachelor’s degree from the University of Texas and a juris doctor’s degree from the University of Texas School of Law.

Edward J. Guay* has served as an independent director of our board since 2016. He is currently the Chief Financial Officer ("CFO") of Humble Midstream LLC, a private midstream company. From 2018 to 2020, Mr. Guay served as managing member of Anattah Advising, LLC, an advisory and principal investment firm primarily in the energy sector. From 2014 to 2015, he was Chief Executive Officer (“CEO”) of BOE Midstream, LLC, a private midstream company that owns and operates crude oil terminal and pipeline assets in the Bakken. Mr. Guay was CFO of Saddle Butte Pipeline, LLC from 2012 to 2013, a private crude oil and gas gathering company, which was acquired by Targa Resources Partners L.P. Prior to 2012, he spent 22 years in investment banking, primarily advising midstream and other energy companies. This included five years as head of midstream investment banking for Tudor, Pickering, Holt & Co., LLC; eight years with Goldman, Sachs & Co.; five years with Salomon Smith Barney; and three years with Wertheim Schroder & Co. Mr. Guay is qualified to serve on our board because of his extensive finance experience and management experience in the energy industry. He earned a bachelor’s degree in biochemistry and mathematical economic analysis from Rice University.


Chansoo Joung* has served as an independent director of our board since 2019. From 2005 to 2015, Mr. Joung worked first as a partner then as senior advisor at Warburg Pincus LLC, where he managed investments across the energy and clean energy sectors. From 1987 to 2004, he held increasingly senior positions at Goldman Sachs & Co., culminating his 17-year career there as head of the Americas Energy and Power investment banking group. Mr. Joung has served on the board of directors of APA Corporation since 2011, where he is chair of the audit committee and a member of the corporate governance and nominating committee. He also served on the board of Targa Resources Partners, L.P. from 2007 to 2011 and Targa Resources Corporation from 2010 to 2011. Mr. Joung is qualified to serve on our board because of his extensive finance experience in the energy industry.  He earned a bachelor’s degree in physics and a master’s degree from Dartmouth College. 



Stacy P. Methvin* has served as an independent director of our general partner’s board of directors since 2015. From 2011 until her retirement in 2012, Ms. Methvin was VP, Refining Margin Optimization of Shell Oil Company (“Shell”), and from 2009 until 2010, she was VP, Global Distribution of Shell. She held various other operational and management roles in the upstream, downstream and chemical businesses during her tenure at Shell and its subsidiaries that began in 1979, including President, Shell Louisiana E&P Company, President, Shell Deer Park Refining Company, President, Shell Pipeline Company LP, President, Shell Chemical LP, and VP, Strategy and Portfolio for the downstream business. She currently serves as a director of Pioneer Natural Resources Co., where she is a member of the health, safety and environmental committee and chair of the compensation and leadership development committees, and vice chair of Marquard & Bahls AG, where she is a member of the audit and compensation committees. Ms. Methvin also serves as chair of Oiltanking Supervisory Board since September 2021, for a subsidiary of Marquard & Bahls AG, where she served as vice chair, a member of the audit committee and chair of the compensation committee from 2014 until September 2021. Ms. Methvin is qualified to serve on our general partner’s board of directors because of her extensive experience in various sectors of the petroleum and energy industry. She earned a bachelor’s degree in geological and geophysical sciences from Princeton University.

Aaron L. Milford currently serves as President and CEO of Magellan and has served in such capacity since May 1, 2022.  He served as COO from 2019 to 2022 and as Senior VP and CFO from 2015 to 2019. Mr. Milford served as VP, Crude Oil Business Development from 2014 to 2015. From 2013 through 2014, he served as Director, Crude Oil Business Development, from 2011 through 2012, as Director, Commercial Development, and from 2007 through 2010, as Director, Business Development. Prior to joining Magellan in 2004, Mr. Milford worked for Williams since 1995 in various staff and management positions including the areas of financial planning, business development and mergers and acquisitions.  He is qualified to serve on our board because of his extensive experience in the energy industry, including his familiarity with our business as a result of his broad management experience at Magellan.  Mr. Milford earned a bachelor’s degree in accounting and master’s degree in business administration from the University of Tulsa and is a chartered financial analyst.

James R. Montague* has served as an independent director of our board since 2003. He has been retired since 2003. From 2001 to 2002, Mr. Montague served as President of EnCana Gulf of Mexico, Inc., an oil and gas exploration and production business. From 1996 to 2001, he served as President of two subsidiaries of International Paper Company, IP Petroleum Company, an oil and gas exploration and production company, and GCO Minerals Company, a company that manages International Paper’s mineral holdings. From 2006 to 2017, Mr. Montague served as a director of Atwood Oceanics, Inc.  From 2001 to 2012, he served as a director of the general partner of Penn Virginia Partners, L.P.  Mr. Montague is qualified to serve on our board because of his extensive experience in various sectors of the petroleum industry.  He earned a bachelor’s degree in architectural construction from Texas A&M University and attended the Harvard Business School Program for Management Development and Mahler Advanced Management Skills Program.


Barry R. Pearl* has served as an independent director of our board since 2009. He is currently the Chairman of the Board and has served in such capacity since May 1, 2022.  From 2016 to 2018, Mr. Pearl was a consultant to Highstar Capital and its subsidiary, Northstar Midstream LLC, which provide storage and transportation solutions to the energy industry.  He served as Executive VP of Kealine LLC (and its WesPac Midstream LLC affiliate), a private developer and operator of petroleum infrastructure facilities from 2007 to 2016. From 2006 to 2007, Mr. Pearl was an energy consultant. From 2002 to 2005, he served as President and CEO of TEPPCO Partners, L.P. ("TEPPCO"), a refined products, crude oil and natural gas pipeline company, and as COO and President from 2001 to 2002. In addition, Mr. Pearl served as a director of the general partner of TEPPCO from 2002 through 2005.  From 1998 to 2001, he served as VP and CFO of Maverick Tube Corporation.  Mr. Pearl served in various executive positions for Santa Fe Pacific Pipeline Partners, L.P., a refined products pipeline company, from 1984 to 1998, including VP of Operations, Senior VP of Business Development and Planning and CFO.  He has served as a director of Kayne Anderson Energy Infrastructure Fund, Inc. and Kayne Anderson NextGen Energy & Infrastructure, Inc. since 2006 and 2010, respectively, where he is a member of each company’s audit and nominating and governance committees.  Mr. Pearl served as a director of the general partner of Targa Resources Partners, L.P. from 2007 until 2016 and as a director of Seaspan Corporation from 2006 until 2010.  He is qualified to serve on our board because of his extensive operational, commercial and financial experience within the energy and publicly traded partnership sectors.  Mr. Pearl earned a bachelor’s degree in mathematics from Indiana University, a master’s degree in operations research from Yale University and a master’s degree in business administration from the University of Denver.

Sivasankaran Somasundaram* has served as an independent director of our board since May 1, 2022.  Since 2020, he has served as President, CEO and a member of the board of directors of ChampionX Corporation (NASDAQ: CHX) (“ChampionX”), a global leader in chemistry solutions and highly engineered equipment and technologies that help companies drill for and produce oil and gas safely and efficiently around the world.  From 2018 to 2020, Mr. Somasundaram served as President, CEO and a member of the board of directors of Apergy Corporation (NYSE: APY), prior to its merger with ChampionX. He served as VP of Dover Corporation and President and CEO of Dover Energy from 2013 to 2018, and led the spin off from Dover to form Apergy Corporation in 2018.  Prior to that, he served Dover in a number of leadership capacities, including as Executive VP of Dover Energy, Executive VP of Dover Fluid Management, President of Dover’s Fluid Solutions Platform, President of Dover’s Gas Equipment Group and President of Dover’s RPA Process Technologies.   Before joining Dover in 2004, Mr. Somasundaram served in various global leadership roles at GL&V Inc. and Baker Hughes Inc.  He is qualified to serve on our board because of his extensive executive management experience in the energy industry. He earned a bachelor’s degree in mechanical engineering from Anna University and a master’s degree in industrial engineering from the University of Oklahoma. 



*Independent Director who meets the independence and expertise requirements of the NYSE and the SEC

Board Committees

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