John W. Gibson
John W. Gibson, age 63, joined Matrix Service Company as an independent director in April 2016. Mr. Gibson is the non-executive Chairman of the Board of ONEOK, Inc. and ONEOK Partners GP, L.L.C., the general partner of ONEOK Partners, L.P. He served as Chief Executive Officer of ONEOK, Inc. from January 1, 2007 to January 31, 2014. He was appointed Chairman of the Board of ONEOK Partners GP, L.L.C. in 2007 and of ONEOK, Inc. in May 2011 and served as the ONEOK, Inc. President from 2010 through 2011. He also served as Chief Executive Officer of ONEOK Partners GP, L.L.C. from 2007 until January 31, 2014, and served as President from 2010 to 2011. Prior to that Mr. Gibson held senior positions at other ONEOK subsidiaries. Prior to joining ONEOK in May 2000, Mr. Gibson served as an Executive Vice President for a subsidiary of Koch Industries. He began his career as a refinery engineer with Exxon USA and spent 18 years in a variety of domestic and international positions with Phillips Petroleum Company. Mr. Gibson also serves as the non-executive Chairman of the Board of ONE Gas, Inc. and as a member of the Board of Directors of BOK Financial Corporation, and is a member of the Board of Trustees of Missouri University of Science and Technology.