CLARKE JOHN U

• Director at NATCO GROUP INC · on record since Jun 26, 2006
• Director at HARVEST NATURAL RESOURCES, INC. · on record since May 22, 2006
• Director at HOUSTON EXPLORATION CO · on record since May 2, 2006
• Director at PENN VIRGINIA CORP · on record since Dec 10, 2009
• Director at Thermon Group Holdings, Inc. · on record since Apr 2, 2026
• Director at TESCO CORP · on record since Aug 12, 2011
• Director at Glori Energy Inc. · on record since Apr 24, 2014
• Interim CEO at NATCO GROUP INC · on record since Sep 8, 2004
• Chief Executive Officer at NATCO GROUP INC · on record since Jan 12, 2005