Board of Director

Dr. Phirun Saiyasitpanich
Dr. Phirun Saiyasitpanich
Independent Director
Chairman of the Corporate Governance and Sustainability Committee

Dr. Phirun Saiyasitpanich

Independent Director / Chairman of the Corporate Governance and Sustainability Committee
Educational Qualifications/Training History
Education
  • Ph.D. in Environmental Engineering, University of Cincinnati, Ohio, USA
  • M.E. in Environmental Engineering, University of Cincinnati, Ohio, USA
  • Bachelor of Engineering Program in Environmental Engineering, Chulalongkorn University
Training Program
  • Top Executive Development Program: Pioneer Batch 3, Office of the Civil Service Commission
  • The Executive Program in Energy Literacy for a Sustainable Future, Class 20, Thailand Energy Academy (TEA)
  • Politics of Democratic Government for Senior Executives, Class 27, King Prajadhipok’s Institute
  • The Civil Service Executive Development Program: Visionary and Moral Leadership 1, Class 88, The Office of the Civil Service Commission
Current Position
Holding a Director/Executive Position in a Company Listed on the Stock Exchange of Thailand
Oct. 2025 – Present
Chairman of the Corporate Governance and Sustainability Committee, IRPC Public Company Limited
Apr. 2025 – Present
Member of the Corporate Governance and Sustainability Committee, IRPC Public Company Limited
Feb. 2025 – Present
Independent Director, IRPC Public Company Limited
Holding a Director/Executive Position in a Non-Listed Company in Thailand
Feb. 2025 – Present
National Energy Technology Center Executive Board
Dec. 2023 – Present
Director General, Department of Climate Change and Environment
Nov. 2021 – Present
Board Member of the Thailand Greenhouse Gas Management Organization
Work Experience in the Past 5 Years
2021 – 2023
Secretary – General, Office of Natural Resources and Environmental Policy and Planning (ONEP)
2018 – 2021
Deputy Secretary – General, Office of Natural Resources and Environmental Policy and Planning (ONEP)
2017 – 2018
Director of Climate Change Management and Coordination Division (CCMC), Office of Natural Resources and Environmental Policy and Planning (ONEP)