Leadership

On January 31, 2025, ONEOK successfully completed its acquisition of EnLink Midstream. The EnLink Leadership team now reports to ONEOK's Management team. View the ONEOK team here.

  • Adam Forman

    Adam Forman

    Executive Vice President, General Counsel, and Secretary

    Adam Forman is Executive Vice President, General Counsel, and Secretary for EnLink Midstream. In this role, he leads the legal, contract administration, and corporate communications departments, and serves as executive sponsor of EnLink’s sustainability strategy.

    Prior to joining EnLink in 2023, Forman spent almost 24 years at Kinder Morgan, most recently serving as Vice President, Deputy General Counsel, and Secretary. During his time there, he provided legal counsel on mergers and acquisitions, financing, financial reporting, joint venture, and procurement matters, as well as for the Products Pipelines, Terminals, and CO₂ (Energy Transition Ventures) business segments. As the corporate secretary, he assisted with the company’s sustainability initiatives. Prior to Kinder Morgan, he served as an Associate General Counsel at Quanta Services, an infrastructure services company.

    Forman earned a Bachelor of Arts in political science from Stanford University and a Juris Doctor from St. Mary’s University School of Law. He also holds a Master of Business Administration from Rice University’s Jones Graduate School of Business. He serves on the Board of Trustees for the Houston Congregation for Reform Judaism and the Post Oak School.

  • Benjamin D. Lamb

    Benjamin D. Lamb

    Executive Vice President and Chief Financial Officer

    Benjamin D. Lamb is Executive Vice President and Chief Financial Officer (CFO) for EnLink Midstream. In this role, Lamb oversees EnLink's financial strategy, planning, and reporting, as well as corporate development.

    Prior to becoming CFO, Lamb served as EnLink Executive Vice President and Chief Operating Officer, overseeing operations and commercial activity, including the development of EnLink’s Carbon Solutions team and several transformative acquisitions that grew EnLink’s asset base. He has played a key role in every acquisition and major deal, as well as the development and execution of the company’s strategic plans, since joining EnLink’s predecessor company, Crosstex Energy, in 2012. He also held several leadership roles in the company’s financial organization, including Senior Vice President of Finance and Corporate Development.

    Prior to joining the company, he worked in the investment banking industry advising executives and boards of major corporations on critical strategic and financial decisions, including mergers, acquisitions, corporate and financial restructurings, and financings in the debt, equity, and bank capital markets.

    Lamb earned a Bachelor of Business Administration degree in finance, economics, and international business from Baylor University.

  • Walter Pinto

    Walter Pinto

    Executive Vice President and Chief Operating Officer

    Walter Pinto is Executive Vice President and Chief Operating Officer for EnLink Midstream. In this role, Pinto is responsible for operational efforts across all of EnLink’s asset areas, as well as engineering, operational excellence, and environmental, health, and safety.

    Pinto joined EnLink in early 2020 to lead the optimization of operational and business performance. He led “The EnLink Way” program that evolved how EnLink operates through process improvements and adoption of new technologies. He also spearheaded the creation of EnLink’s award-winning GoalZERO safety program.

    Prior to joining EnLink, Pinto served as a Senior Advisor of Hastings Equity Partners, a private equity firm, supporting Hastings in the sourcing, diligence, and stewardship of existing portfolio companies and new opportunities. He previously spent 25 years at LyondellBasell Industries in various roles, including as Senior Director, Global Projects, Engineering, Turnarounds, Reliability, and Maintenance and head of several manufacturing complexes.

    He has served as a board member of industrial service companies and several trade and community organizations. He received a Master of Science in mechanical engineering from the University of Wisconsin, Milwaukee, and a Bachelor of Science in mechanical engineering from National Institute of Technology in India.

  • Dilanka Seimon

    Dilanka Seimon

    Executive Vice President and Chief Commercial Officer

    Dilanka Seimon is Executive Vice President and Chief Commercial Officer for EnLink Midstream. In this role, he oversees commercial and marketing efforts for the company’s traditional midstream and Carbon Solutions businesses.

    Seimon has over 20 years of experience in strategy and commercial leadership roles across the upstream and midstream energy industries, spanning both traditional hydrocarbon energy and emerging energy sectors, such as carbon capture and storage, renewable fuels, hydrogen, and carbon markets.

    Prior to joining EnLink, he served as Vice President of Alternative Energy at Energy Transfer. He previously served as Vice President Sales and Marketing at BHP, leading teams responsible for logistics and marketing of BHP’s global oil, gas, natural gas liquids, and liquified natural gas production portfolio, as well as procuring power, natural gas, and diesel for BHP’s mining assets. Prior to that, he held various roles in natural gas trading, marketing, and origination.

    Seimon serves on the Board of Directors of Big Brothers Big Sisters of Greater Houston and the Foundation Board of Trustees of Georgia College & State University, his alma mater where he received a Bachelor of Science in economics. He also earned a Master of Business Administration from Duke University’s Fuqua School of Business and is a graduate of the General Management Program at Harvard Business School.