• Bachelor of Accounting (Accounting), Thammasat University (1984).
• Master of Business Administration, Kasetsart University (1994).

• The Role of the Board in IT Governance (2020)
• Director Certification Program (DCP), Class 206/2015

• CFOs Orientation Course for New IPOs, The Stock Exchange of Thailand (SET)
• TLCA Executive Development Program, Class 2/2008, The Stock Exchange of Thailand (SET)
• Executive Development Program, Class 8/2012, Fiscal Policy Research Institute Foundation, Kingdom of Thailand in cooperation with Maxwell School of Syracuse University
• Advanced Management Program (AMP) 2 - People Management (2016), Personnel Management Association of Thailand
• Introduction to Energy Insurance and Risk Management (1996), Sedgwick Energy & Marine Limited; United Kingdom
• Program on the Modernization Process in Japan and Dynamism of Japanese Society (1990), IATSS Forum, Japan

None

• 29 Apr 2025 - Present Independent Director, Chairman of the Audit Committee, GMM Grammy Plc.
• Feb 2022 - Present The 42^nd - 45^th Board of Directors of the Savings Cooperative
• Feb 2022 - Present Chairman of the 44^th - 45^th Investment Subcommittee of the Savings Cooperative, PTT Saving and Credit Cooperative, Limited
• Mar 2018 - Sep 2022 Executive Vice President, PTT Public Company Limited
• Oct 2018 - Sep 2022 Senior Executive Vice President, Corporate Accounting & Finance (CFO), IRPC Public Company Limited
• Mar 2018 - Sep 2018 Executive Vice President, Finance Management (CFO), PTT Oil and Retail Business Public Company Limited
• 2016-2018 Vice President, Group Financial Planning, PTT Public Company Limited
• 2012-2013 Vice President, Investor Relations, PTT Public Company Limited

Other Companies

• Mar 2024 - Present Audit and Evaluation Committee, Ministry of Social Development and Human Security
• Apr 2023 - Present Independent Director, Chairman of Audit Committee and member of the Nomination and Remuneration Committee Unique Plastic Industry Public Company Limited
• Mar 2021 - Sep 2022 VISTEC Finance and Budget Sub-Committee, Vidyasirimedhi Institute of Science and Technology (VISTEC)
• Jul 2020 - Sep 2022 Director, Mytex Polymers (Thailand) Company
• Dec 2018 - Sep 2022 Director, IRPC A&L Company Limited
• Nov 2018 - Sep 2022 Director, IPolymer Company Limited
• Nov 2018 - Sep 2022 Director, IRPC Oil Company Limited
• Nov 2018 - Sep 2022 Director, IRPC Polyol Company Limited
• Nov 2018 - Sep 2022 Director, WHA Industrial Estate Rayong Company Limited
• Oct 2018 - Sep 2022 Director, UBE Chemicals (Asia) Public Company Limited
• Oct 2018 - Sep 2022 Director, IRPC Clean Power Company Limited
• 2013-2016 Managing Director, PTT Regional Treasury Center Pte Ltd. (Singapore)