We are Grant Thornton

Houston, Texas

  • Energy
Service Experience
  • Audit & Assurance

Mark Gibennus




Executive summary

Mark Gibennus is an Audit Services partner in Grant Thornton's Houston office, where he is a member of the Energy practice. He has more than 20 years of experience serving both privately held and publicly traded corporations and partnerships, mainly in the energy industry. Prior to joining Grant Thornton, Gibennus spent two years with Arthur Andersen.


Professional qualifications and memberships

  • CPA — Texas
  • Texas Society of Certified Public Accountants
  • Petroleum Accountants Society of Houston, Board


  • Bachelor of Commerce, University of Saskatchewan


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