Mr. Sumpan Vongphan
                                        Second Vice Chairman / Chairman of the Executive Committee / Executive Director / Executive
                                    
                                Education/IOD Training
- Bachelor of Engineering (Electrical) Chulalongkorn University
 - The Role of Chairman(RCM), 2005 Directors Accreditation Program(DAP),2004 Directors Certification Program(DCP), 2004 Finance for Non-Finance Director(FN), 2004 Successful Formulation and Execution of Strategy (SEF), 5/2009
 - The Role of Compensation Committee RCC12/2011
 - How to Measure the Success of Corporate Strategy, HMS 2/2013
 
Experience
- 2011 - Present 
Chairman of the Board, Tirathai Public Limited - 2005 - Present
Managing Director, Tirathai Public Limited
Executive Director, Tirathai Public Limited - 2014 - 2015
Nominating Committee, Tirathai Public Limited - 2007 - 2007
Chairman of Nominating Committee, Tirathai Public Limited - 2005 - 2007
Engineering Department Manager, Tirathai Public Limited 
Percent of share holding: 13.02%