Education

• M.S. (Science) International Management, King’s College London, UK
• M.S. (Science) Chemical Engineering, Imperial College London, UK
• Bachelor of Engineering, Chulalongkorn University

Training Record with Thai Institute of Directors (IOD)

• Director Certification Program (DCP 324/2022)

Other Training Record

• Executive Program, Class 35, Capital Market Academy (CMA)

Current Position in Other Organizations

Listed Company-The Stock Exchange of Thailand

1 Organization :

• Senior Executive Vice President, Corporate Sustainability, PTT Public Company Limited

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

4 Organizations :

• Director, PTT Digital Company Limited
• Director, ExpresSo NB Company Limited
• Advisor, Princess Sirivannavari Thai Coral Reef and Marine Life Conservation Foundation
• Chairman of the Executive Committee, Thailand Carbon Neutral Network (TCNN)

Shareholding in GPSC (including spouse and minor)

• Self : 50,000 shares

Qualified According to Related Laws and Does Not Have Prohibited Qualifications

• Yes

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

• No