Board of Directors

Thomas R. Bates, Jr.

John F. (Jay) Glick

Neal P. Goldman

Gordon T. Hall

Mark A. McCollum

President and Chief Executive Officer, Weatherford International plc


Mr. McCollum has over 36 years of leadership experience in the energy sector. Prior to joining Weatherford in March 2017 he served as Chief Financial Officer of Halliburton Company, a position he started in 2008 and resumed in July of 2016 following an interim role as Chief Integration Officer during the pendency of Halliburton’s proposed acquisition of Baker Hughes Incorporated.

Prior to joining Halliburton, Mr. McCollum held a number of senior positions at Tenneco, Inc., including Chief Financial Officer, and served as an Audit and Advisory Partner in Arthur Andersen’s Energy Division, where he began his career. He is also a registered CPA in the State of Texas.

Mr. McCollum serves on the Board of Directors for Westlake Chemical Corporation. He is a member of the Board of Regents of Baylor University, and he also serves on the Board of Trustees for Baylor College of Medicine and the Advisory Board of Every Village.


  • Bachelor Degree in Business Administration and Accounting, Baylor University

Relevant Qualifications and Experience

  • Extensive knowledge of and experience in the oilfield service industry
  • Significant leadership experience, with a strong background in accounting and finance
  • Deep understanding of the challenges facing the industry and strong knowledge of customer demands and desires

Jacqueline (Jackie) Mutschler

Charles M. (Chuck) Sledge