Mr. Phillips is a corporate director of South Bow and Western Gas Partners and has been a pioneer and a supporter of the pipeline industry for many years. Previously, Mr. Phillips served as Chairman and Chief Executive Officer of Crestwood Equity Partners LP from 2013 to 2023, as well as President from 2013 to 2022. Prior to that, he held leadership roles at several energy companies, including President and Chief Executive Officer of Enterprise Products Partners LP, Chairman and Chief Executive Officer of GulfTerra Energy Partners, and senior executive positions with El Paso Corporation. Mr. Phillips also held directorships at Pride International, Inc. and Bonavista Energy Corporation. He also served on the National Petroleum Council, advising the U.S. Department of Energy, from 2021 to 2023.

Mr. Phillips holds a Bachelor of Business Administration degree from the University of Texas at Austin and a Juris Doctorate from South Texas College of Law. In addition, Mr. Phillips has successfully completed the International Directors Programme at INSEAD in Fontainebleau, France.
 

David Sobotka is president of the Binghamton Rumble Ponies, proud Double-A affiliate of the New York Mets. Prior to entering the world of minor league baseball, David enjoyed a 40+ year career in finance, with his most recent role being a partner in the $18 billion hedge fund Capula Investments. Previously, he was head of Fixed Income, Currencies and Commodities at Bank of America Merrill Lynch, responsible for a global trading operation across the credit, emerging markets, interest rate, municipal bond, foreign currency, distressed debt and energy and metal commodities asset classes serving institutional, hedge fund and official sector clients. Previously, David ran commodity trading operations at a number of financial and private firms, including Entergy-Koch, Lehman Brothers, Citibank and UBS.  He began his career as an analyst at the Federal Reserve Bank of New York after graduating from Yale with a degree in economics.

David serves as treasurer of the board of DREAM, an organization assisting in the development of 2500 youth in the communities of East Harlem and the South Bronx through charter schools and out-of-school programming. At Yale, he is a member of the Dean of the School of Environment’s Steering Committee and the Advisory Boards of the Jackson Institute of Global Affairs and the Center For Business and Environment at Yale. David is also a member of the Broome County NY Chamber of Commerce.

Wissam brings over 25 years of working in the international energy industry. He spent a large part of his career with BP in various operations, engineering, asset management and country and regional business leadership roles across the UK North Sea, US Gulf of Mexico, the Caspian, the Middle East, North and West Africa. Wissam went-on to become the CEO of Tullow Ghana and was also a member of the executive leadership of London FTSE listed Tullow Oil plc (LSE: TLW). Wissam is currently the Chief Operating Officer (COO) of Carbonvert., a carbon capture and storage (CCS) project development and financing company.

Wissam is a Non-Executive Director of Third Coast Midstream, a U.S. Gulf of Mexico infrastructure owner and operator and Sequent SA, a global consumer wearables and health technology company based in Switzerland. 

Wissam holds a Bachelor’s of Engineering (B.Eng) in Chemical Engineering from McGill University and a Master of Business Administration (MBA) from the Sloan School of Management at the Massachusetts Institute of Technology. In addition, Wissam has successfully completed the International Directors Programme at INSEAD in Fontainebleau, France.
 

Karen is a California-based independent board director with more than thirty years of finance, institutional investment and private equity experience. In addition to Enstor, she is a prior board member for Sonnedix, an independent renewable power producer focusing on solar, wind and battery storage in nine countries, and was the prior chair and board member for SouthWest Water Company (now Nexus Water).

As one of the founding members of ArcLight Capital Partners in 2001, Karen helped establish the firm’s strategy in private equity investment in power and energy assets, from start­up to $5.0 billion in committed funds. She worked extensively with portfolio company management teams and boards in the midstream and regulated areas before becoming a consultant for the firm from 2009-2010. Prior to joining ArcLight, Karen was the Managing Director of Shoreline Utility Advisors for two years and Utilities Research Director at Angelo Gordon, where she was co-portfolio manager/analyst of hedged utility funds and advised the risk-arbitrage desk and distressed desk on utility positions.  Before this, Karen spent two years as the utility analyst at Merrill Lynch Asset Management (now BlackRock) Global Utility Fund, and a utility analyst at Franklin Resources (now Franklin Templeton).

Karen has a Bachelor of Science in Finance from the University of Nebraska-Lincoln, where she currently serves on the Foundation Endowment Investment Committee and was the past president and a ten-year member of the College of Business Finance Advisory Board.

Mr. Bieniawski has over thirty years of experience in midstream infrastructure both domestically and internationally. Prior to joining Enstor, Mr. Bieniawski was the Chief Executive Officer of Zechstein Midstream B.V. and its European subsidiaries. At Zechstein, Mr. Bieniawski led efforts to develop independent midstream infrastructure serving European markets. Prior to Zechstein, he founded and led Katy Energy Partners, an international energy infrastructure consultancy focused on helping clients find and develop energy assets globally. As such, he was involved in energy projects across Asia, Australia, Europe, North America, the Southern Cone and the Middle East totaling over $2.0 billion of capital cost. Mr. Bieniawski's strong energy industry experience includes serving in leadership positions of Hazelwood Energy Hub, Merchant Energy Holdings and Bobcat Gas Storage. Mr. Bieniawski received a Bachelor of Science degree in Petroleum and Natural Gas Engineering from The Pennsylvania State University.

Stanley G. Chapman III retired as Executive Vice President and Chief Operating Officer of TC Energy in July 2025, following a career spanning more than four decades in the North American energy industry. Prior to his retirement, Mr. Chapman held other senior executive positions at TC Energy, including President of U.S. and Mexico Natural Gas Pipelines and President of TC PipeLines GP, Inc. In these roles, he led natural gas transmission, storage, and related businesses across the United States, Canada, and Mexico.

Before joining TC Energy, Mr. Chapman served as Executive Vice President and Chief Commercial Officer of Columbia Pipeline Group, where he played a strategic role in the company's initial public offering. Earlier in his career, he held positions of increasing responsibility at El Paso Corporation and Tenneco Gas, with experience spanning commercial operations, supply, regulatory affairs, business development, and asset optimization.

Throughout his career, Mr. Chapman has been active in industry leadership and governance. He served as both a Director and Chairman of the Board of the Interstate Natural Gas Association of America (INGAA) and as a member of the Executive Committee of the Society of Gas Lighters. He has also been involved with the International Association for Energy Economics and numerous community organizations.

In addition to serving on the Enstor Board of Directors, he currently serves as Chairman of the Board of Bruce Power, Canada's largest nuclear generating company and one of the world's largest nuclear power operators. Mr. Chapman holds a Bachelor of Science in Economics from Texas A&M University and a Master of Business Administration with a concentration in Finance from the University of St. Thomas.