Board of Directors

  • Stephen M. Hendel

    Chairman
    Mr. Hendel is currently serving, and has served since March 1997, as a Founding Partner and Managing Director of Hartree, where he is actively involved in the management of the firm. Prior to co-founding Hartree, from 1985 to 1996, Mr. Hendel was a partner at Goldman Sachs, where he held various management roles in the J. Aron division including co-head of energy trading and oversight of J. Aron’s division of quantitative strategies. From 1994 to 1996, Mr. Hendel shared responsibility for the energy, commodity and currency business for J. Aron. Prior to joining J. Aron in 1980, he was an associate at Paul, Weiss, Rifkind, Wharton & Garrison. Mr. Hendel is active in a number of artistic not-for-profit foundations. Mr. Hendel holds a B.A. from Yale University and a J.D. from the University of Connecticut School of Law.
    Chairman of the Board
    • David C. Glendon

      Glendon
      President and Chief Executive Officer
      Mr. Glendon was appointed to the board of directors of our General Partner and was named President and Chief Executive Officer of our General Partner in July 2011, a position he held with our Predecessor since January 15, 2008. Mr. Glendon was hired by our Predecessor on June 30, 2003 as the Senior Vice President of Oil and Materials Handling, focusing on driving the execution of a customer-centric approach across all elements of the business. Prior to joining our Predecessor, Mr. Glendon was a partner and global account manager at Monitor Group. He was also a founder and managing director of Monitor Equity Advisors, which worked with leading private capital providers in evaluating transactions and enhancing the strategic positions of their portfolio investments. Mr. Glendon received a Bachelor’s degree, cum laude, in Psychology from Williams College and a Master’s degree in Business Administration from the Stanford Graduate School of Business. As a result of his professional background, we believe Mr. Glendon brings executive-level strategic and financial skills along with significant operational experience that, when combined with his 15 years of consulting experience in a variety of industries and a deep knowledge of our business, make Mr. Glendon well-suited to serve on the board of directors of our General Partner.
      • Beth A. Bowman

        Bowman
        Ms. Bowman was appointed to the board of directors of our General Partner in October 2014. Ms. Bowman served at Shell Energy North America for 17 years where she was the Senior Vice President of Sales and Origination North America, until her retirement in September 2015. Prior to joining Shell, Ms. Bowman held management positions at Sempra Energy Trading and Sempra’s San Diego Gas & Electric utility. In 2014, Ms. Bowman was named one of the Top 50 Most Powerful Women in Oil and Gas in the U.S. by the National Diversity Council. Ms. Bowman currently serves as a director of Targa Resources since September 7, 2018 and previously served on the boards of the California Power Exchange and the California Foundation of Energy and Environment. Ms. Bowman received her Bachelor’s degree in Science Civil Engineering from the University of Illinois, a Master’s degree in Civil Engineering from San Diego State University and a Master’s degree in Business Administration Finance from University of San Diego. We believe that Ms. Bowman’s extensive energy industry background, particularly her experience in senior leadership roles and board positions of other energy companies, will provide the board of directors of our General Partner with valuable knowledge and skill.
        Independent Director
      • C. Gregory Harper

        Harper
        Mr. Harper was appointed to the board of directors of our General Partner in October 2013 in connection with our IPO. On April 2, 2018, Mr. Harper was appointed President and CEO of Blue Mountain Midstream LLC and a member of the Board of directors of its parent Riviera Resources in August of 2018. On April 1, 2017, Mr. Harper retired from Enbridge Inc. where he served as President, Gas Pipelines and Processing. Before joining Enbridge, Mr. Harper was appointed principal executive officer of Midcoast Holdings L.L.C in 2014, and served as Senior Vice President of Midstream with Southwestern Energy Company, from August 2013 to January 2014. Prior to joining Southwestern Energy, Mr. Harper served as Senior Vice President and Group President of CenterPoint Energy Pipelines and Field Services from December 2008 to June 2013. Before joining CenterPoint Energy in 2008, Mr. Harper served as President, Chief Executive Officer and as a Director of Spectra Energy Partners, LP from March 2007 to December 2008. From January 2007 to March 2007, Mr. Harper was Group Vice President of Spectra Energy Corp., and he was Group Vice President of Duke Energy from January 2004 to December 2006. Mr. Harper served as Senior Vice President of Energy Marketing and Management for Duke Energy North America from January 2003 until January 2004 and Vice President of Business Development for Duke Energy Gas Transmission and Vice President of East Tennessee Natural Gas, LLC from March 2002 until January 2003. Mr. Harper currently serves on the board of directors of the Interstate Natural Gas Association of America. Mr. Harper received his Bachelor’s degree in Mechanical Engineering from the University of Kentucky and his Master’s degree in Business Administration from the University of Houston. We believe Mr. Harper’s extensive industry background, particularly his financial reporting and oversight expertise, will bring important experience and skill to the board of directors of our General Partner.
        Financial Expert
        Independent Director
      • Scott Levy

        Scott Levy is currently serving, and has served since July 2016, as a Partner of Hartree where he leads the firm’s Institutional Asset Management and Principal Investing activities. Prior to joining Hartree, Mr. Levy served on the Board of Directors of Hartree as one of Oaktree Capital Management’s (“Oaktree”) representatives. Mr. Levy joined Oaktree in 2011, where he worked as a Managing Director focused on the firms strategic and corporate development efforts. Prior to joining Oaktree, Mr. Levy was a Managing Director at Bank of America Merrill Lynch in the investment banking division focused on Mergers, Acquisitions and Restructuring. Mr. Levy began his career at Bankers Trust and subsequently Deutsche Bank. Over 11 years, Mr. Levy worked both as an analyst on the High Yield trading desk and an investment banker in the Financial Sponsor Advisory Group. Mr. Levy holds a B.A. in Mathematics from Colgate University.
        • Jonathan Guy Merison

          Jonathan Guy Merison is currently serving, and has served since March 1997, as a Founding Partner and Managing Director of Hartree, where he is actively involved in the management of the firm. Prior to joining Hartree, from 1995 to 1997, Mr. Merison served as a portfolio manager at Odyssey Partners, where he was the commodities portfolio manager. From 1986 to 1995, Mr. Merison managed the Products Trading, Grain Trading, and Derivatives Trading groups at J. Aron, a division of Goldman Sachs. Prior to joining Goldman Sachs Mr. Merison served as the Senior Manager at Czarnikow Schroeder USA from 1981 to 1986.
          • Stephen M. Semlitz

            Stephen M. Semlitz is currently serving, and has served since March 1997, as a Founding Partner and Managing Director of Hartree, where he is actively involved in the management of the firm. Prior to co-founding Hartree, from 1985 to 1996, Mr. Semlitz was a partner at Goldman Sachs, where he developed the energy business from inception and was the Co-Head of Energy Trading. From 1980 to 1986, Mr. Semlitz was the Head Metals Trader at J. Aron and Goldman Sachs. Mr. Semlitz holds a B.S. and an MBA from Cornell University.
            • Heiko Voelker

              Heiko Voelker is currently serving, and has served since November 1997, as a Managing Director of Hartree. Prior to joining Hartree, from 1995 to 1997, Mr. Voelker was an Oil Products Trader at Morgan Stanley. From 1993 to 1995, Mr. Voelker was a Gasoline Trader at Royal Dutch Shell (UK). Mr. Voelker served as a Middle Distillates Trader at Royal Dutch Shell (Germany) from 1991 to 1993 and was a Trainee Crude Trader at Marimpex GmbH from 1989 to 1991. Mr. Voelker holds a B.A. from the Technische Universität Berlin.