Board of Directors

    Dorothy M. Ables, Director

    Portrait

    Age: 62
    Director Since: 2015
    Committee Memberships: Audit (Chairman) and Compensation
    Term of Office Expires: 2021

    Business Experience:

    • Spectra Energy Corp
      Chief Administrative Officer – 2008 to February 2017
      Vice President, Audit Services and Chief Ethics & Compliance Officer – 2007 to 2008
    • Duke Energy
      Vice President, Audit Services – 2004 to 2006
    • Duke Energy Gas Transmission
      Senior Vice President and Chief Financial Officer – 1998 to 2004

    Other Directorships:

    • Martin Marietta Materials, Inc. – November 2018 to present
    • Spectra Energy Partners – 2013 to February 2017

    Rhys J. Best, Director

    Portrait

    Age: 73
    Director Since: 2008
    Committee Memberships: Compensation (Chairman) and Governance and Social Responsibility
    Term of Office Expires: 2021

    Business Experience:

    • Arcosa, Inc.
      Non-Executive Chairman of the Board – November 2018 to present
    • MRC Global Inc.
      Non-Executive Chairman of the Board – April 2016 to present
    • Austin Industries, Inc.
      Non-Executive Chairman of the Board – 2012 to 2017

    Other Directorships:

    • Arcosa, Inc. – November 2018 to present
    • MRC Global Inc. – 2008 to present
    • Commercial Metals Company – 2010 to present
    • Trinity Industries, Inc. – 2005 to 2018

    Robert S. Boswell, Director

    Portrait

    Age: 70
    Director Since: 2015
    Committee Memberships: Environment, Health and Safety (Chairman), Audit and Governance and Social Responsibility
    Term of Office Expires: 2021

    Business Experience:

    • Laramie Energy, LLC
      Chairman of the Board and Chief Executive Officer – 2007 to present
    • Laramie Energy I, LLC
      Chairman of the Board and Chief Executive Officer – 2004 to 2007
    • Forest Oil Corporation
      Chairman of the Board and Chief Executive Officer – 1989 to 2003

    Other Directorships:

    • Enerflex, Ltd – June 2011 to present

    Amanda M. Brock, Director

    Portrait

    Age: 59
    Director since: 2017
    Committee Memberships: Audit, and Environment, Health and Safety
    Term of office expires: 2021

    Business experience:

    • Solaris Midstream
      Chief Operating Officer – July 2018 to present
      Chief Commercial Officer – February 2018 to present
    • Water Standard
      Chief Executive Officer – 2009 to 2017
    • Azurix Corp.
      Executive Director and President, Americas –1999-2002

    Other directorships:

    • Macquarie Infrastructure Corporation – August 2018 to present

    Peter B. Delaney, Director

    Portrait

    Age: 66
    Director since: 2018
    Committee Memberships: Audit and Environment, Health and Safety
    Term of office expires: 2021

    Business Experience:

    • OGE Energy Corporation
      Chairman, President and Chief Executive Officer – 2007 to 2015
      Chief Operating Officer – 2004 to 2007
      Executive Vice President, Corporate Planning & Strategy – 2002 to 2004
      Chief Executive Officer, Enogex (midstream subsidiary)— 2002 to 2013
    • Enable Midstream Partners
      Interim CEO — May 2015 to December 2015

    Other Directorships:

    • Panhandle Oil & Gas — March 2018 to present
    • Enable Midstream Partners — 2013 to February 2016 (Chairman 2013-2015)
    • OGE Energy Corporation — 2007 to 2015

    Dan O. Dinges, Director

    Portrait

    Age: 66
    Director Since: 2001
    Committee Memberships: Executive
    Position: Chairman, President and Chief Executive Officer
    Term of Office Expires: 2021

    Business Experience:

    • Cabot Oil & Gas Corporation
      Chairman, President and Chief Executive Officer – May 2002 to present

    Other Directorships:

    • United States Steel Corporation – 2010 to present

    Private/Non-profit Directorships:

    • American Petroleum Institute – 2017 to present
    • American Exploration & Production Council – 2002 to present
    • Spitzer Industries, Inc. (private company) – 2006 to present
    • Houston Methodist Hospital Research Institute – 2014 to January 2020

    Robert Kelley, Director

    Portrait

    Age: 74
    Director Since: 2003
    Position: Lead Director
    Committee Memberships: Audit, Executive (Chairman), Governance and Social Responsibility
    Term of Office Expires: 2021

    Business Experience:

    • Kellco Investments, Inc. (private investment company)
      President – April 2001 to present
    • Noble Affiliates, Inc. (now Noble Energy Inc.)
      Chairman of the Board – 1992 to April 2001
      President and CEO – 1986 to October 2000

    Other Directorships:

    • OGE Energy Corporation – 1996 to July 2016

    W. Matt Ralls, Director

    Portrait

    Age: 70
    Director Since: 2011
    Committee Memberships: Governance and Social Responsibility (Chairman), Compensation and Executive
    Term of Office Expires: 2021

    Business Experience:

    • Rowan Companies plc
      Executive Chairman – 2014 to April 2016
      Chief Executive Officer – 2013 to April 2014
      President and Chief Executive Officer – 2009 to 2013

    Other Directorships:

    • Pacific Drilling S.A. – 2018 to present
    • NCS Multistage Holdings, Inc. – April 2017 to present
    • Superior Energy Services, Inc. – 2012 to present
    • Rowan Companies plc – 2009 to April 2016

    Marcus A. Watts, Director

    Portrait

    Age: 61
    Director since: 2017
    Committee Memberships: Compensation and Environment, Health and Safety
    Term of office expires: 2021

    Business experience:

    • The Friedkin Group
      President – 2011 to present
    • Locke Lord LLP
      Attorney – 1984-2010
      Managing Partner of the Houston, Texas office – 2002-2010
      Vice-Chairman of the firm-wide Executive Committee – 2007-2010

    Other directorships:

    • Service Corporation International – 2012 to present