Education

• Master of Business Administration (Executive), Sasin Graduate Institute of Business Administration of Chulalongkorn University
• M.Sc. in Advanced Chemical Engineering (Distinction), Imperial College, University of London, United Kingdom
• Bachelor of Engineering (Chemical Engineering) (First Class Honours, Gold Medal), Chulalongkorn University

Training Record with Thai Institute of Directors (IOD)

• Director Certification Program (DCP 187/2014)
• Ethical Leadership Program (ELP 27/2022)
• Role of the Chairman Program (RCP 52/2022)

Other Training Record

• National Defence Course, Class 63, The National Defence College of Thailand
• The Executive Program in Energy Literacy for a Sustainable Future, Class 14, Thailand Energy Academy
• Capital Market Academy Leader Program, Class 27, Capital Market Academy
• Leadership Development Program III (LDP III), Class 4, PTT Leadership and Learning Institute (PLLI)
• Leadership Development Program II (LDP II with INSEAD) Thailand & Singapore, PTT Leadership and Learning Institute (PLLI)
• The Young Executive Program in Energy Literacy for a Sustainable Future, Class 2, Thailand Energy Academy
• Executive Development Program (EDP), Thai Listed Companies Association
• Executive Development Program, Fiscal Policy Research Institute Foundation, Thailand
• NIDA-WHARTON Executive Development Program, Thailand & U.S.A.
• STS Expert Session 2023:
  - “Global Trends in Energy”, Boston Consulting Group (BCG)
  - “Global & Thailand Economic Outlook”, Bangkok Bank Plc

Current Position in Other Organizations

Listed Company-The Stock Exchange of Thailand

2 Organizations :

• Senior Executive Vice President, PTT Public Company Limited
• Director (Executive) / Member of the Risk Management Committee / Chief Executive Officer and President / Secretary to the Board of Directors, Thai Oil Public Company Limited

Other Organizations / Companies (Not Listed in the Stock Exchange of Thailand)

16 Organizations :

• Director & Chairman, Board of Thai Paraxylene Company Limited
• Director & Chairman, Board of LABIX Company Limited
• Director & Chairman, Board of TOPNEXT International Company Limited
• Director, Board of Sapthip Company Limited
• Chairman, Petroleum Refining Industry Club, The Federation of Thai Industries
• Vice Chairman, Petrochemical Cluster, The Federation of Thai Industries
• Committee, Industrial Promotion and Support Department, The Federation of Thai Industries
• Committee, The Institute of Industrial Energy, The Federation of Thai Industries
• Subcommittee on Fuel and Greenhouse Gases Impact Assessment from EV Measures, The National EV Policy Committee, Ministry of Energy
• Director, The Federation of Thai Industries
• Council of Trustees, Petroleum and Energy Institute of Thailand
• Director of Thai Listed Companies Association
• Committee, Chulalongkorn University Alumni Association, under the Royal Patronage of His Majesty the King
• Vice President, Thailand Swimming Association
• Executive Director, Thailand Energy Academy
• Council Member of Thailand Business Council for Sustainable Development

Shareholding in GPSC (including spouse and minor)

• None

Qualified According to Related Laws and Does Not Have Prohibited Qualifications

• Qualified

Family Relation with other Directors, Executives, Major Shareholders of GPSC and its Subsidiaries

• None