Education

• Honorary Doctorate Degree in Business Administration (Management & Business Development), Rajamangala University of Technology Srivijaya
• 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)
• Financial Statements for Directors (FSD 53/2024)

Other Training Record

• Diploma on “The Rule of Law for Democracy”, Class 13, College of the Constitutional Court, The Constitutional Court of the Kingdom of Thailand
• Seminar: Risk Expert Session 2025: “Navigating Uncertainty in a Multipolar World”, Dr. Arm Tungnirun, Faculty Member, Faculty of Law, Chulalongkorn University
  Lecture: Cybersecurity for TOP Board, Thai Oil Plc
  Lecture: Hedging for TOP Board, Thai Oil Plc
• Seminar: Risk Expert Session 2024 “Generative AI : Opportunities, Risks and Challenges”, AFON Precious Co., Ltd.
• STS Expert Session 2024:
  - “Outlook and Trends in Net Zero Transition”, ADL
  - “AI Adoption in Oil & Gas Industry”, Boston Consulting Group (BCG)
  - “Global & Thailand Economic Outlook”, The Siam Commercial Bank Plc (SCB)
• STS Expert Session 2023:
  - “Global Trends in Energy”, Boston Consulting Group (BCG)
  - “Global & Thailand Economic Outlook”, Bangkok Bank Plc
• 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.

Current Position in Other Organizations

Listed Company-The Stock Exchange of Thailand

1 Organizations :

• Chief Operating Officer, Upstream Petroleum and Gas Business Group, PTT Public Company Limited

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

14 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
• Advisor, The Industrial Promotion and Support Committee, The Federation of Thai Industries
• Industry Advisory Board, Chulalongkorn University, Bachelor of Engineering Program in Chemical Engineering and Process (International Program)
• Director, Council of the Institute of Experts, Vidyasirimedhi Institute of Science and Technology
• Advisor, Petroleum Refining Industry Club, The Federation of Thai Industries
• Advisor, The Table Tennis Association of Thailand
• Committee, Chulalongkorn University Alumni Association, under the Royal Patronage of His Majesty the King
• Director of Thai Listed Companies Association
• Council Member of Thailand Business Council for Sustainable Development
• Executive Director, Thailand Energy Academy
• Council of Trustees, Petroleum and Energy Institute of Thailand

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