Executive Leadership

EnLink Midstream's Executive Leadership Team brings considerable drive and expertise to the company, as well as an unwavering commitment to EnLink's core values, mission, and vision. With the invaluable support of the Board of Directors, our executive leaders are working to ensure EnLink thrives and achieves lasting success.

  • Jesse Arenivas

    Jesse Arenivas

    Chief Executive Officer

    Jesse Arenivas is the Chief Executive Officer of EnLink Midstream and a director on the EnLink Board of Directors.

    Prior to joining EnLink, he spent almost 20 years with Kinder Morgan Inc. (KMI), where he helped the company grow to become the largest transporter of CO₂ in North America. He served as President of the CO₂ segment since 2014 and was appointed President of KMI’s Energy Transition Ventures team upon its formation in early 2021.

    Arenivas joined KMI in 2003 and previously served in various financial, accounting, and business development roles, including Vice President of Finance and Accounting for KMI’s CO₂ business segment. Before joining KMI, Arenivas spent five years at ConocoPhillips Co. in financial and commercial roles.

    Arenivas holds a Bachelor of Business Administration in finance from the University of Texas Permian Basin and is a certified public accountant.

  • 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.

Board of Directors

EnLink is governed by a distinct Board of Directors, including managing and independent directors with extensive energy experience and a commitment to EnLink’s values. The board governs committees related to conflicts, audit, sustainability, and governance and compensation.

  • Matthew C. Harris

    Matthew C. Harris

    Chairman of the Board, Chairman of the Governance and Compensation Committee

    Matthew C. Harris is Chairman of the Board of EnLink Midstream. He is a Founding Partner of Global Infrastructure Partners (GIP), and his responsibilities include leadership of selected strategic relationships and transactions, managing GIP’s energy transition and decarbonization investment and capital formation strategy globally, and energy industry investment activities, including crude oil and refined product, natural gas, electricity including renewable power and battery storage, LNG and carbon capture and storage. He is member of the Executive Committee of GIP, of its Investment Committees across its various fund products, and its Portfolio Valuation Committee. He has been intimately involved in GIP’s investment management and strategic activities since its formation in 2006. Harris is also member of the Board of Directors of GE Vernova, the independent public company to be created following its spin-off from General Electric.

    Prior to the formation of GIP, Harris was a Managing Director in the Investment Banking Division of Credit Suisse and Co-Head of the Global Energy Group at Credit Suisse and as Head of the Europe, Middle East, and Africa (EMEA) Emerging Markets Group. Prior to his tenure at Credit Suisse, he was a senior member of the Mergers and Acquisitions Group at Kidder Peabody & Co. Incorporated.

    He holds a Bachelor of Arts (cum laude) from the University of California at Los Angeles.

  • Deborah G. Adams

    Deborah G. Adams

    Director, Chairwoman of the Sustainability Committee, Member of the Audit Committee

    Deborah G. Adams served on the Executive Leadership Team at Phillips 66 as Senior Vice President of HSE, Projects and Procurement from 2014 until her retirement in October 2016. She led the midstream operations of Phillips 66 and ConocoPhillips as the Division President of Transportation from 2008 to 2014. She also held various leadership posts including leading the international refining business for ConocoPhillips and serving on several of ConocoPhillips’ joint venture boards.

    Adams serves as a member of the Oklahoma State University Foundation Board of Trustees and on the Board of Governors. In 2014, Adams was inducted into the Oklahoma State University College of Engineering, Architecture and Technology Hall of Fame, and in 2015, the National Diversity Council named Adams to the list of the Top 50 Most Powerful Women in Oil and Gas. Adams is on the Board of Amplify Energy Corp., Austin Industries, and MRC Global, Inc. She received a Bachelor of Science in chemical engineering from Oklahoma State University.

  • Jesse Arenivas

    Jesse Arenivas

    Director

    Jesse Arenivas is the Chief Executive Officer of EnLink Midstream and a director on the EnLink Board of Directors.

    Prior to joining EnLink, he spent almost 20 years with Kinder Morgan Inc. (KMI), where he helped the company grow to become the largest transporter of CO₂ in North America. He served as President of the CO₂ segment since 2014 and was appointed President of KMI’s Energy Transition Ventures team upon its formation in early 2021.

    Arenivas joined KMI in 2003 and previously served in various financial, accounting, and business development roles, including Vice President of Finance and Accounting for KMI’s CO₂ business segment. Before joining KMI, Arenivas spent five years at ConocoPhillips Co. in financial and commercial roles.

    Arenivas holds a Bachelor of Business Administration in finance from the University of Texas Permian Basin and is a certified public accountant.

  • Tiffany Thom Cepak

    Tiffany Thom Cepak

    Director, Chairwoman of the Conflicts Committee and Member of the Audit Committee and the Sustainability Committee

    Tiffany (TJ) Thom Cepak most recently served as the Chief Financial Officer of Energy XXI Gulf Coast, Inc., an oil and natural gas development and production company, until its sale in October 2018. She also served as the Chief Financial Officer of KLR Energy Acquisition Corp. (and, subsequent to its business combination, Rosehill Resources Inc.) and as Chief Financial Officer of EPL Oil & Gas, Inc. She held a number of previous positions with EPL, including Treasurer, Director of Investor Relations, and Director of Corporate Reserves. She began her career as a Senior Reservoir Engineer with Exxon Production Co. and Exxon Mobil Co. with operational roles, including reservoir and subsurface completion engineering.

    Cepak currently serves on the board of directors of Ranger Oil Corp., Patterson-UTI Energy, Inc., and California Resources Corp., where she serves as Board Chair, and previously served as a director of Yates Petroleum Corp.

    She holds a Bachelor of Science in engineering from the University of Illinois and a Master of Business Administration from Tulane University.

  • Benjamin M. Daniel

    Benjamin M. Daniel

    Director, Member of the Governance and Compensation Committee

    Benjamin M. Daniel is a Principal at Global Infrastructure Partners (GIP) and a key member of GIP’s North American energy investment business, focusing on natural gas, crude oil, refined products, and LNG. Daniel has been a member of GIP’s investment team since 2012. Prior to joining GIP, Daniel was a Vice President at Bluescape Resources, where he was focused on unconventional oil and gas resource investing. Prior to this time, Daniel was a consultant at McKinsey and Company, working primarily with oil and gas clients. Daniel currently serves on the Board of Directors of Medallion Midstream, a privately held midstream company. Daniel holds a Bachelor of Science with Honors in Mathematics and Master of Arts in Philosophy from Stanford University.

  • Leldon E. Echols

    Leldon E. Echols

    Lead Independent Director, Chairman of the Audit Committee, Member of the Governance and Compensation Committee and the Conflicts Committee

    Leldon E. Echols has a long history with EnLink, having been a director on the Board since the company formed in 2014 and a member of EnLink’s predecessor company’s board since 2008.

    Echols served as Executive Vice President and Chief Financial Officer for Centex Corp. until June 2006. Prior to his time at Centex, Echols spent 22 years with Arthur Andersen LLP. He is currently a member of the Board of Directors of Trinity Industries and HF Sinclair Corp., and he previously served on the Board of Directors of TXU Corp.

    He holds a Bachelor of Science in accounting from Arkansas State University, is a Certified Public Accountant (CPA), and is a member of both the Texas Society of Certified Public Accountants and the American Institute of CPAs.

  • Scott E. Telesz

    Scott E. Telesz

    Director, Member of the Sustainability Committee

    Scott E. Telesz is an Operating Partner at Global Infrastructure Partners (GIP) , having joined GIP in 2018. Prior to joining GIP, he spent 28 years in a variety of operational leadership roles across four world-class organizations. His expertise is improving the operations of GIP’s acquired assets, particularly in manufacturing and industrial distribution businesses in capital-intensive sectors. Most recently, he spent eight years as Executive Vice President / Senior Vice President at Praxair, an industrial gas manufacturer, leading a variety of global businesses and functions. Prior to Praxair he worked at SABIC, General Electric, and McKinsey.

    Telesz currently serves on the board of directors of Hess Midstream GP LLC and of Edinburgh Airport. He also serves on the Board of Visitors of Duke University’s Pratt School of Engineering. He earned a Bachelor of Science in electrical engineering from Duke University in 1989 and a Master of Business Administration from Harvard Business School in 1994.