
Mr. Thammasak Sethaudom
- Position
Vice Chairman
- Appointment Date
October 1, 2018
- Age56
Education / Training
Master of Business Administration (Distinction), London Business School, UK
Bachelor of Engineering, Electrical Engineering, Chulalongkorn University
Advanced Management Program (AMP), Harvard Business School, USA
Capital Market Academy Program (CMA)
National Defence College (NDC)
Knowledge / Skills / Expertise
Core Business of the Company and Businesses in the Company's Supply Chains
Financial Statements Reviewing
Vision, Mission and Policy Setting and Strategic Planning for Large Organizations
Overseas Investment, International or Regional Business Administration and Cultural Difference Management
Innovation and Technology, Application of Technology in Industries and Business Sectors, and Digitalization or Al Adoption
Large Organization Management and Human Resource Management
Risk Management and Crisis Management
Environmental, Social and Governance
Director Training
Director Certification Program (DCP) 298/2020, Thai Institute of Directors Association
Director Accreditation Program (DAP) 159/2019, Thai Institute of Directors Association
Board Member/Management of other Listed Company in Thailand
2 companies
Since 2024 Director, President and CEO, Member of the CSR Committee for Sustainable Development, and Member of the Environmental Sustainability Development Committee, The Siam Cement Public Company Limited
Since 2018 Director and Member of the Executive Committee, SCG Decor Public Company Limited
Positions in other Company / Organization / Institution
10 companies
Since 2024 Co-Chair, ASEAN Leaders for Just Energy Transition (ASEAN JET), World Economic Forum
Since 2024 Council Member, MIT Sloan ASEAN Office Advisory Council
Since 2024 Member, Asia Business Council
Since 2024 Council Member, World Business Council for Sustainable Development (WBCSD)
Since 2024 Advisor, Chulalongkorn University Engineering Alumni
Since 2024 Council Member of Thailand Business Council for Sustainable Development (TBCSD)
Since 2024 Chairman, SCG Foundation
Since 2024 Sub-Committee, President Performance Evaluation of National Science and Technology Development Board
Since 2024 Member, Property Management Committee, Chulalongkorn University
Since 2024 Advisor, Privy Purse Bureau
Since 2023 Governing Board, National Science and Technology Development Agency (NSTDA)
Director of SCG's subsidiaries, associates, and other companies which are non-listed in the Stock Exchange of Thailand (22)
5-year Past Experiences and / or Remarkable Positions
2022 - 2023 Executive Vice President, The Siam Cement Public Company Limited
2018 - 2024 Commissioner, PT Chandra Asri Petrochemical Tbk, Indonesia
2018 - 2021 Vice President-Finance and Investment & CFO, The Siam Cement Public Company limited
2012 - 2018 General Director, Long Son Petrochemicals Company Limited, Vietnam
2008 - 2012 Deputy General Director, Long Son Petrochemicals Company Limited, Vietnam
Shareholdings (Ordinary Shares)
as at December 31, 2025
Held personally: (None)
Held by spouse or minor children: (None)
Family Relationship among Directors and Executives
(None)


































