Audit Committee

Mr. Lucksananoi Punkrasamee
- Independent Director
- Chairman of Audit Committee
- Member of Nomination and Remuneration Committee
Education/ Training
- Master Degree (MBA) Chulalongkorn University
- Bachelor Degree in Accounting Chulalongkorn University
- Certificate in Management Development Program, The Wharton School of the University of Pennsylvania
- Certificate in Inno-Leadership program, INSEAD University (France)
- Certificate “Executive development Program” Graduate School of business, Columbia University
- Director Accreditation Program (DAP) class SCC/2004
- Director Certification Program (DCP) class 122/2009
Current directorship in other companies
- Chairman of the Board / Independent Director/ Member of the Nomination and Remuneration Committee Origin Property Plc.
- Chairman of Audit Committee/ Member of the Nomination and Remuneration Committee, Buono (Thailand) Plc.
- Independent Director / Chairman of Audit Committee, SCG Ceramics Plc.
- Director, One Origin Co.,Ltd.
- Advisor, Securities & Exchange Commission
- Advisor and director to Tax Accounting, Federation of Accounting Professions (Under The Royal Patronage of His Majesty The King)
Experience
- Chairman of Audit Committee / Independent Director / Member of the Nomination and Remuneration Committee, Singer Thailand Plc.
- Managing Director, SCG Accounting Company Limited
- Independent Director , NokScoot Airlines Co., Ltd.
- Director , SG Capital (Thailand) Co., Ltd.
- Advisor to Vice President-Finance and Investment & CFO, The Siam Cement Group Plc.

Mrs. Usara Yongpiyakul
- Independent Director
- Member of Audit Committee
- Member of Risk Management and Sustainable Development Committee
Education/ Training
- MBA, Business Communication, Bentley College, Boston, 1991
- BBA, Major in marketing, Assumption Business Administration college, 1986
- MS 5, St. Joseph Convent School, 1982.
Current directorship in other companies
- Since 2017 Chief Executive Officer, Siam Piwat Co.,Ltd
Experience
- 2009-2017 SVP Beauty & Import Division, Central Marketing Group Co.,Ltd
- 2004-2008 VP Marketing, Robinson Pcl
- 2000-2003 Consumer Insurance Marketing Head, Aydhya Capital Services Co.,Ltd
- 1999-2000 Account Director, Client Service Department, Wounderman Cato Johson

Mr. Siwat Chawareewong
- Independent Director
- Member of Audit Committee
- Chairman of Risk Management and Sustainable Development Committee
Education/ Training
- Master of Business Administration, Thammasat University
- Bachelor’s Degree in Engineering Kasetsart University
- Director Accreditation Program (DAP) No. 19/2004
- Director Certification Program (DCP) No. 314/2022
- Board Nomination and Compensation Program (BNCP) No. 13/2022
Current directorship in other companies
- MAGURO Group Company. Limited
- Consultant, SIX Network Blockchain
- Director, Jitta Wealth Asset Management Company Limited
Experience
- Co-founder and Lecturer of Digital Marketing, Bangkok University
- Special Lecturer, Department of Advertising, Faculty of Communication Arts Chulalongkorn University
- Chief Executive Officer, Group M (Thailand) Co., Ltd.
- Director, Kinnetic Worldwide (Thailand) Co., Ltd.
- Director, GroupM Proprietary Media Co., Ltd.
- Director, GroupM (Thailand) Co., Ltd.
- Director, WPP (Thailand) Co., Ltd.
- Director, Mediacom (Thailand) Co., Ltd.
- Director and President, Digital Advertising Association (Thailand)
- Director, M Interaction Co., Ltd.
- Chief Executive Officer, M Interaction Co., Ltd.
- Director and President of Thai Webmaster Association
- Vice President of Corporate Development and Director, Siam To You Plc.
- Business Development Officer, AD Venture Company Limited, a subsidiary of Shin Corporation Plc.
- Computer Engineer, The Siam Cement Plc.