Thammasak Sethaudom

Thammasak Sethaudom is President & Chief Executive Officer at Cementhai Holding Co., Ltd. since 2024.
He is President & Chief Executive Officer at SCG Distribution Co., Ltd. He serves as President, Chief Executive Officer & Director at The Siam Cement Public Co. Ltd. since 2018.
He is Vice Chairman at SCG Packaging Public Co., Ltd. since 2022.
He holds director positions at Rayong Olefins Co., Ltd., Bangkok Synthetics Co., Ltd., The Siam Fibre-Cement Co., Ltd., Thai Polyethylene Co., Ltd., BST Elastomers Co., Ltd., Map Ta Phut Tank Terminal Co., Ltd., Siam Polyethylene Co., Ltd., The Siam Cement (Ta Luang) Co., Ltd., SCG Cement Co., Ltd., SCG Cement-Building Materials Co., Ltd., Siam Styrene Monomer Co. Ltd., Siam Polystyrene Co. Ltd., Grand Siam Composites Co. Ltd., Thai MMA Co. Ltd., Map Ta Phut Olefins Co., Ltd., Rayong Terminal Co. Ltd., Siam Synthetic Latex Co., Ltd., SCG Accounting Services Co., Ltd., Vina SCG Chemicals Co., Ltd., Banchang HPPO Co. Ltd., Concrete Products & Construction Co., Cement Public Co. Ltd., Add Ventures Capital International Co., Ltd., CTO Management Co., Ltd., Dhara Pipe Co., Ltd., Siam Innovation Product & Solution Co., Ltd., SCG Decor Public Co., Ltd. since 2018, and The Concrete Products & Aggregate Co., Ltd. as Executive Director.
He is a Member-Governing Board at National Science & Technology Development Agency since 2023.
Former roles include Director at Thai Plastic & Chemicals Public Co., Ltd., General Director at Long Son Petrochemicals Co., Ltd. from 2012 to 2018, Director at Harvard Business School Association of Thailand from 2021 to 2023, Director at SCG Plastics Co., Ltd., SCG Performance Chemicals Co., Ltd., MTP HPPO Manufacturing Co., Ltd., e-Business Manager at SCG Chemicals PCL from 2000 to 2004, and Commissioner at PT Chandra Asri Pacific Tbk.
Education includes undergraduate degree from the University of Chulalongkorn in 1991 and MBAistration from London Business School in 1999.