John U. Clarke

John U. Clarke

Chairman of the Board

John U. Clarke serves as Chairman of the board for Cimarron Energy. Prior to joining Cimarron, Mr. Clarke was Chairman and Chief Executive Officer of NATCO Group Inc. ("NATCO"), a publicly traded oilfield equipment manufacturer and related services provider. During his tenure as CEO from 2004 to 2009, Mr. Clarke led NATCO's repositioning as a global supplier of separation and process solutions. NATCO was sold to Cameron International for approximately $960 million in November 2009. 

Mr. Clarke earned a Bachelor of Arts in Economics from the University of Texas and a Masters of Business Administration from Southern Methodist University.