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Board composition



Mr. Kan Trakulhoon
Chairman and Independent Director
Position
  • Chairman of Board of Directors
  • Independent Director
  • Chairman of Nomination and Compensation Committee
  • Chairman of Sustainable Development Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Honorary Degrees of Engineering Chulalongkorn University
  • Honorary Degrees of Manufacturing Engineering Mahasarakham University
Director training
  • Director Certification Program (DCP 29/2003)
No.of other listed company to serve as director
  • 4 companies
Working Experiences
2016 - Present
Chairman of the Board of Directors, Chairman of the Leadership Development and Compensation Committee
Advanced Info Service Plc.
2015 - Present
Independent Director
Advanced Info Service Plc.
2015 - 2017
Chairman of Sustainable Development Committee
Advanced Info Service Plc.
2017 - 31 Mar 2025
Independent Director, Chairman of the Leadership Development and Compensation Committee, Member of the Nomination and Governance Committee, Member of the Strategic and Organizational Review Committee and Member of the CSR Committee for Sustainable Development
Intouch Holdings Plc.
Independent Director
Bangkok Dusit Medical Services Plc.
2016 - Present
Independent Director, Chairman of the Nomination, Compensation and Corporate Governance Committee, Member of the Executive Committee
Siam Commercial Bank Plc.
2006 - 2023
Director
The Siam Cement Plc.
2020 - Present
Director
SCB 10X Co., Ltd
Director
Council of Experts of the National Higher Education, Science, Research and Innovation Policy Council
Expert Member
State Enterprise Policy Committee
2018 - Present
Expert Member
Eastern Economic Corridor Policy Committee
Expert Member
Investment and Coordination Committee
2011 - 2019
Consultant
Kubota Corporation (Japan)
Illegal Record in past 10 years None
Mr.Sarath Ratanavadi
Vice Chairman of the Board
Position
  • Vice Chairman of the Board
  • Member of Nomination and Compensation Committee
  • Chairman of Executive Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Science (Engineering Management), University of Southern California, USA
Director training
  • DAP: Director Accreditation Program Class 138/2017
  • Capital Market Leadership Program (Class 7), Capital Market Academy
  • The Program of Senior Executives on Justice Administration (Class 23), Judicial Training Institute
  • Executive Development Training Program, Royal Thai Police
  • Executive Management with Business Development and Investment (Class 1), Institute of Business and Industrial Development
  • Rule of Law for Democracy (Class 6), College of the Constitutional Court
  • The Executive Program in Energy Literacy for a Sustainable Future (Class 1), Thailand Energy Academy
  • Administrative Justice for Executives Program (Class 1), Administrative Justice Institute, Office of the Administrative Courts
  • The Director General Public Prosecutors (Class 6), Public Prosecutor Office Training Institute, Office of the Attorney General
No.of other listed company to serve as director
  • 2 companies
Working Experiences
2021 - Present
Vice Chairman of the Board
Advanced Info Service Plc.
Non-Executive Director
Advanced Info Service Plc.
Chairman of Executive Committee
Advanced Info Service Plc.
Member of Nomination and Compensation Committee
Advanced Info Service Plc.
Director
GULF1 Co.,Ltd.
Director
Gulf Renewable Energy Co., Ltd.
2021 - 31 Mar 2025
Director
Intouch Holdings Plc
2020 - 31 Mar 2025
Vice Chairman of the Board
Gulf Energy Development Plc
1 Apr. 2025 - Present
Director, Vice Chairman of the Board and Chief Executive Officer
Gulf Development Plc
2018 - Present
Board of Councilors
University of Southern, California Annenberg School for Communication and Journalism, USA
2017 - Present
Director and Chief Executive Officer
Gulf Energy Development Plc
Board Chairman
NIST International School Foundation
Director
Gulf Investment and Trading Pte. Ltd.
2016 - Present
Director
Gulf Holdings (Thailand) Co., Ltd.
2018 - 2020
Director
Gulf Energy International Co.,Ltd.
2008 - 2020
Director
Gulf JP Co., Ltd.
2011 - 2017
Director and Chief Executive Officer
Gulf Energy Development Co.,Ltd.
2008 - 2017
President
Gulf JP Co., Ltd.
Board Vice Chairman
NIST International School Foundation
2011 - 2016
Representative of Licensee
NIST International School
2008 - 2016
Executive Board Chairman
NIST International School
1994 - 2016
Director and President
Gulf Electric Plc
Illegal Record in past 10 years None
Mr. Krairit Euchukanonchai
Independent Director
Position
  • Independent Director
  • Member of Audit and Risk Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Business Administration, North Texas State University, USA
Director training
  • Director Certification Program (DCP 59/2005)
  • Role of the Chairman Program (RCP 16/2007)
No.of other listed company to serve as director
  • 2 Companies
Working Experiences
2014 - Present
Chairman of Audit and Risk Committee, Member of Nomination and Govenance Committee and Independent Director
Advanced Info Service Plc.
2021 - Present
Chairman and Chairman of the Independent Directors Committee
PTT Exploration & Production Plc.
2021 - Present
Commissioner (Finance)
The Securities and Exchange Commission
2020 - Present
Commissioner (Finance)
Office of Insurance Commission
2020 - Present
Director
INFINITAS by Krungthai Co., Ltd
2015 - Present
Vice Chairman, Chairman of the Board of Executive Directors, Chairman of the Risk Oversight Committee
Krungthai Bank Plc.
1998 - Present
Chairman
V. Group Honda Cars Co., Ltd. and its Subsidiaries
2018 - 2020
Chairman and Independent Director
PTT Plc.
2017 - 2019
Chairman
Mass Rapid Transit Authority of Thailand
Illegal Record in past 10 years None
Qualifications In his role as Vice Chairman at Krung Thai Bank Plc., Mr. Krairit Euchukanonchai has extensive experience of digital and e-payment. He involved in a development of e-wallet and application to supporting economic stimulus measures of the government and e-payment portal for the government, assessing the risk of cyber threats in financial businesses and operations.
Mr. Predee Daochai
Independent director
Position
  • Independent director
  • Member of Audit and Risk Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Honorary Doctorate in Business Administration, Southeast Bangkok College, Thailand
  • Master’s Degree (MCL), University of Illinois at Urbana-Champaign, USA
  • Barrister-at-Laws, Institute of Legal Education, Thai Bar Association, Thailand
  • Bachelor of Laws (Honors) Thammasat University, Thailand
Director training
  • Advanced Management Program (AMP), Harvard Business School, USA
  • Breakthrough Program for Senior Executives, IMD Business School, Switzerland
  • Influence and Negotiation Strategies Program, Stanford Graduate School of Business, USA
  • Making Innovation Happen Programme, London Business School, UK
  • Executive Program, Singularity University, Silicon Valley, California, USA
  • Executive Program on Risk Management, The Institute of International Finance, UK
  • The Joint State - Private Sector Course, Class 24, National Defence College
  • Capital Market Academy Leader Program, Class 20/2015, Capital Market Academy
  • Executive Program “Energy Literacy for a Sustainable Future”, Class 8/2016, Thailand Energy Academy
  • Role of the Chairman Program (RCP), Class 51/2022, Thai Institute of Directors Association (IOD)
  • Board Nomination and Compensation Program (BNCP), Class 14/2022, Thai Institute of Directors Association (IOD)
  • Corporate Governance for Capital Market Intermediaries (CGI), Class 11/2016, Thai Institute of Directors Association (IOD)
  • Ethical Leadership Program (ELP), Class 1/2015, Thai Institute of Directors Association (IOD)
  • Financial Institutions Governance Program (FGP), Class 1/2010, Thai Institute of Directors Association (IOD)
  • Director Certification Program (DCP) Class 56/2005, Thai Institute of Directors Association (IOD)
No.of other listed company to serve as director
  • 3 Companies
Working Experiences
2022 – Present
Independent Director
Advanced Info Service Plc.
Member of Audit and Risk Committee
Advanced Info Service Plc.
Apr. 2022 – 31 Mar 2025
Independent Director,
Gulf Energy Development PCL.
1 Apr. 2025 - Present
Independent Director, Member of the Sustainability, Governance and Risk Management Committee
Gulf Development Plc
2021 – Present
Independent Director/Chairman of the Nomination and Remuneration Committee,
Bangkok Dusit Medical Services PCL.
2021 – November 2023
Independent Director/Chairman of the Risk Management Committee and Chairman of the Sustainable Development Committee,
Carabao Group PCL.
2021 – September 2023
Director,
Siam Paragon Development Company Limited
2021 – May 2023
Director,
Siam Paragon Retail Company Limited
2021 – 7 September 2022
Chairman of the Executive Committee / Group CEO,
The Mall Group
2021- 2021
Independent Director,
JD Food PCL.
2020 – 2020
Minister,
Ministry of Finance
2020 – 2020
Chairman,
Bank for Agriculture and Agricultural Cooperatives
2016 – 2019
Member,
National Legislative Assembly
2016 – 2020
Committee,
ASEAN Bankers Association
2016 – 2020
Member,
National Strategy Committee
2016 – 2020
Committee,
Payment Systems Committee, Bank of Thailand
2016 – 2020
Member of the Board,
Thailand Board of Investment (BOI)
2016 – 2020
EEC Policy Committee,
Eastern Economic Corridor
2016 – 2020
Member of the Board,
Office of SMEs Promotion
2016 – 2020
Chairman,
Thai Bankers Association
2015 – 2020
Vice Chairman and Chairman of the Corporate Governance Committee,
Thai Institute of Directors Association
2013 – 2020
Director and President,
KASIKORNBANK Public Company Limited
2016 – 2019
Chairman,
KASIKORN Securities Public Company Limited
2013 – 2020
Chairman,
KASIKORN Factory and Equipment Company Limited
2010 – 2020
Director,
Muangthai Group Holding Company Limited
2017 – 2020
Chairman,
National ITMC Company Limited
2015 – 2019
Director,
Dole Thailand Limited
2020 - 2020
Chairman,
Beacon Venture Capital Company Limited
2020 - 2020
Chairman,
National Digital ID Company Limited
Illegal Record in past 10 years None
Mr. Somchai Lertsutiwong
Executive Director
Position
  • Executive Director
  • Member of Sustainable Development Committee
  • Member of Executive Committee
  • Chief Executive Officer
Share Ratio (%) * 0.0004
Relationship with Management None
Highest Education
  • Master of Business Administration, Chulalongkorn University
Director training
  • Director Certification Program (DCP 107/2009)
No.of other listed company to serve as director
  • -
Working Experiences
April 2024 - Present
Independent Director
PTT Oil and Retail Business PCL
April 2024 - Present
Member of the Corporate Governance and Sustainability Committee
PTT Oil and Retail Business PCL
2020 - Present
Acting Chief Corporate Officer
Advanced Info Service Plc.
2014 - Present
Executive Director, Member of Sustainable Development Committee Member of Executive Committee, Chief Executive Officer, and Authorized Director
Advanced Info Service Plc.
2012 - 2014
Director, Chief Marketing Officer
Advanced Info Service Plc.
2007 - 2012
Executive Vice President - Marketing
Advanced Info Service Plc.
2004 - 2007
Senior Vice President - Wireless Communication
Advanced Info Service Plc.
Illegal Record in past 10 years None
Ms. Jeann Low Ngiap Jong
Non-executive director
Position
  • Non-executive director
  • Member of Nomination and Compensation Committee
  • Member of Executive Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Bachelor of Accountancy,National University of Singapore
Director training
  • None
No.of other listed company to serve as director
  • 1 company
Working Experiences
2013 - Present
Director, Member of Nomination and Governace Committee
Advanced Info Service Plc.
2016 - 31 Mar 2025
Director
Intouch Holdings Plc.
2015 - 2021
Group Chief Corporate Officer
Singapore Telecommunications Ltd.
2008 - 2015
Group Chief Financial Officer
Singapore Telecommunications Ltd.
Illegal Record in past 10 years None
Ms.Yupapin Wangviwat
Non-executive director
Position
  • Non-executive director
  • Member of Sustainable Development Committee
  • Member of Executive Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Business Administration, University of Florida, USA
Director training
  • DCP: Director Certification Program Class 164/2012
  • Capital Market Leadership Program (Class 16), Capital Market Academy
  • Top Executive Program in Commerce and Trade (Class 13), Commerce Academy, University of the Thai Chamber of Commerce
  • Executive Management with Business Development and Investment (Class 4), Institute of Business and Industrial Development
  • Digital Transformation for CEO (Class 1), Nation Multimedia Group Plc.
  • ABC Course, Class 5, Academy of Business Creativity, Sripatum University
No.of other listed company to serve as director
  • 2 companies
Working Experiences
2021 - Present
Non-Executive Director
Advanced Info Service Plc.
Member of the Executive Committee
Advanced Info Service Plc.
Member of the Sustainable Development Committee
Advanced Info Service Plc.
Director
GULF1 Co.,Ltd.
2021 - 2022
Director
Intouch Holdings Plc
2020 - 31 Mar 2025
Member of the Sustainability, Governance and Risk Management Committee
Gulf Energy Development Plc
1 Apr. 2025 - Present
Director, Member of the Sustainability, Governance and Risk Management Committee, Deputy Chief Executive Officer and Chief Financial Officer
Gulf Development Plc
2019 - Present
Director
Rachakarn Asset Management Co.,Ltd.
2018 - Present
Director and Executive Director
Gulf Energy Development Plc
Director
Gulf Renewable Energy Co., Ltd.
2008 - Present
Senior Executive Vice President
Gulf JP Co.,Ltd.
1997 - Present
Chief Financial Officer
Gulf Electric Plc.
2020 - 2021
Director
Gulf JP Company Limited
Director
Gulf SRC Company Limited
Director
Gulf PD Company Limited
Director
Gulf Energy Mauritius Company Limited
2019 - 2021
Director
Independent Power Development Company Limited
2015 - 2021
Director
Gulf JP KP1 Company Limited
Director
Gulf JP KP2 Company Limited
Director
Gulf JP TLC Company Limited
Director
Gulf JP NNK Company Limited
Director
Gulf JP NLL Company Limited
Director
Gulf JP CRN Company Limited
Director
Gulf JP NK2 Company Limited
2014 - 2021
Director
Gulf Solar BV Company Limited
Director
Gulf Solar TS1 Company Limited
Director
Gulf Solar TS2 Company Limited
Director
Gulf Solar KKS Company Limited
Director
Gulf International Investment (Hong Kong) Limited
2013 - 2021
Director
Gulf MP Company Limited
Director
Gulf Solar Company Limited
Director
Gulf JP NS Company Limited
Director
Gulf JP UT Company Limited
2012 - 2021
Director
Gulf VTP Company Limited
Director
Gulf TS1 Company Limited
Director
Gulf TS2 Company Limited
Director
Gulf TS3 Company Limited
Director
Gulf TS4 Company Limited
Director
Gulf NC Company Limited
Director
Gulf BL Company Limited
Director
Gulf BP Company Limited
Director
Gulf NLL2 Company Limited
Director
Gulf NPM Company Limited
Director
Gulf NRV1 Company Limited
Director
Gulf NRV2 Company Limited
2011 - 2021
Director
Kolpos Pte. Ltd.
2019 - 2020
Director
Bangkok Smart Energy Company Limited
2017 - 2020
Director
Gulf WHA MT Natural Gas Distribution Company Limited
Director
WHA Eastern Seaboard NGD2 Company Limited
Director
WHA Eastern Seaboard NGD4 Company Limited
2015 - 2020
Director
Gulf Cogeneration Company Limited
Director
Samutprakarn Cogeneration Company Limited
Director
Nong Khae Cogeneration Company Limited
Director
Gulf Yala Green Company Limited
Director
Gulf Power Generation Company Limited
Director
Gulf IPP Company Limited
Director
Gulf Energy Company Limited
2014 - 2021
Director
Gulf International Holding Pte. Ltd.
2017 - 2019
Senior Executive Vice President and Chief Corporate Officer
Gulf Energy Development Plc.
2014 - 2017
Senior Executive Vice President and Chief Financial Officer
Gulf Energy Development Company Limited
Illegal Record in past 10 years None
Mr.Arthur Lang Tao Yih
Non-executive director
Position
  • Non-executive director
  • Member of Sustainable Development Committee
  • Member of Executive Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Business Administration, Harvard Business School
Director training None
No.of other listed company to serve as director 1 Company
Working Experiences
2021 - Present
Non-Executive Director
Advanced Info Service Plc.
Member of Sustainable Development Committee
Advanced Info Service Plc.
Member of Executive Committee
Advanced Info Service Plc.
Authorized Director
Advanced Info Service Plc.
Group Chief Financial Officer
Singapore Telecommunications Limited
2017 - 2021
Chief Executive Officer, International
Singapore Telecommunications Limited
2011 - 2016
Group Chief Financial Officer
CapitaLand Limited
Illegal Record in past 10 years None
Mr.Smith Banomyong
Non-executive director
Position
  • Non-executive director
  • Member of Executive Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Science (Economics), the London School of Economics and Political Science (LSE), UK
Director training
  • DCP: Director Certification Program Class 76/2008
  • Corporate Governance for Capital Market Intermediaries (CGI), Class 0/2014
  • Advanced Executive Program, Kellogg School of Management, Northwestern University
  • Capital Market Leadership Program (Class 20), Capital Market Academy
  • The Executive Program in Energy Literacy for a Sustainable Future (Class 15), Thailand Energy Academy
  • Thailand Insurance Leadership Program (Class 2), OIC Advanced Insurance Institute
No.of other listed company to serve as director
  • 2 companies
Working Experiences
2021 - Present
Non-Executive Director
Advanced Info Service Plc.
Member of Executive Committee
Advanced Info Service Plc.
Authorized Director
Advanced Info Service Plc.
2021 - 31 Mar 2025
Director
Intouch Holdings Plc
Director
Gulf Renewable Energy Co., Ltd.
Director
Gulf JP NS Co., Ltd.
Director
Gulf JP UT Co., Ltd.
Director
Gulf JP KP1 Co., Ltd.
Director
Gulf JP KP2 Co., Ltd.
Director
Gulf JP TLC Co., Ltd.
Director
Gulf JP NNK Co., Ltd.
Director
Gulf JP NLL Co., Ltd.
Director
Gulf JP CRN Co., Ltd.
Director
Gulf JP NK2 Co., Ltd.
Director
Gulf VTP Co., Ltd.
Director
Gulf TS1 Co., Ltd.
Director
Gulf TS2 Co., Ltd.
Director
Gulf TS3 Co., Ltd.
Director
Gulf TS4 Co., Ltd.
Director
Gulf NLL2 Co., Ltd.
Director
Gulf BL Co., Ltd.
Director
Gulf BP Co., Ltd.
Director
Gulf NC Co., Ltd.
Director
Gulf NPM Co., Ltd.
Director
Gulf NRV1 Co., Ltd.
Director
Gulf NRV2 Co., Ltd.
Director
Gulf Chana Green Co., Ltd.
Director
Gulf Pattani Green Co.,Ltd.
Director
Independent Power Development Co.,Ltd.
Director
Gulf SRC Co.,Ltd.
Director
Gulf PD Co.,Ltd.
Director
Gulf MP Co.,Ltd.
Director
Gulf WHA MT Natural Gas Distribution Co.,Ltd.
Director
WHA Eastern Seaboard NGD2 Co.,Ltd.
Director
WHA Eastern Seaboard NGD4 Co.,Ltd.
Director
Gulf Solar Co.,Ltd.
Director
Gulf Solar BV Co.,Ltd.
Director
Gulf Solar TS1 Co.,Ltd.
Director
Gulf Solar TS2 Co.,Ltd.
Director
Gulf Solar KKS Co.,Ltd.
Director
Gulf Energy Co.,Ltd.
Director
Gulf IPP Co.,Ltd.
Director
Gulf Power Generation Co.,Ltd.
Director
Gulf Yala Green Co.,Ltd.
Director
Gulf Cogeneration Comp,Limited
Director
Nong Khae Cogeneration Co.,Ltd.
Director
Samutprakarn Cogeneration Co.,Ltd.
Director
PTT Natural Gas Distribution Co.,Ltd.
Director
Global Mind Investment Management Pte. Ltd.
Director
Bentre Import Export Joint-Stock Corporation
2020 - 31 Mar 2025
Chief of Asset Management and Investment
Gulf Energy Development Plc
Director
Borkum Riffgrund 2 Investor Holding GmbH
Director
Borkum Riffgrund 2 Offshore Wind Farm GmbH & Co. oHG
Director
Gulf LNG Co.,Ltd.
Director
Gulf O&M Services Co.,Ltd.
Director
Gulf Energy (Vietnam) Limited Liability Company
Director
Gulf International Investment (Hong Kong) Ltd.
Director
Kolpos Pte. Ltd.
Director
Gulf International Holding Pte. Ltd.
2020 - 2020
Chief International Business Officer
Gulf Energy Development Public Company Limited
2018 - 2020
Chief Financial Officer
Gulf Energy Development Public Company Limited
Senior Executive Vice President - Finance
Gulf JP Company Limited
2018 - 2018
Chairman
Association of Investment Management Companies
Director
The Federation of Thai Capital Market Organizations
Director
Thai Financial Markets Committee, the Bank of Thailand
2014 - 2018
Chief Executive Officer
SCB Asset Management Company Limited
Illegal Record in past 10 years None
Mr. Surin Krittayaphongphun
Independent Director
Position
  • Independent Director
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Arts, Economics, Middle Tennessee State University, USA
  • Bachelor’s Degree in Economics, Thammasat University
Director training
  • Certificate Directors Accreditation Program (DAP) # 178/202
  • Risk Management Program for Corporate Leaders (RCL)
No. of other listed company to serve as director None
Working Experiences
2024 - Present
Independent Director
Advanced Info Service Plc.
August 2020 - November 2023
Executive Director, President of Television Business
BEC World Public Company Limited
2021 - November 2023
Chairman of Risk Management Committee - Management level
BEC World Public Company Limited
2021 - November 2023
Chairman of the Sustainable Development Committee
BEC World Public Company Limited
2017 - June 2020
President
Bangkok Media and Broadcasting Company Limited (PPTV)
2017 - June 2020
Member of Board of Directors and Executive Committee
Bangkok Media and Broadcasting Company Limited (PPTV)
2004 - 2017
Executive Vice President of Channel 3 Television Station
BEC World Public Company Limited
2004 - 2017
Acting President of Bangkok Entertainment Company Limited
BEC World Public Company Limited
1998 - 2004
Managing Director
BMG Entertainment Company Limited
1996 - 1998
Managing Director
S.C. Johnson and Son Company Limited
1993 - 1996
Regional Marketing Director
PEPSI-COLA Thai Trading Company Limited
1988 - 1993
Business Development Manager
Unilever Thai Trading Company Limited
Illegal Record in past 10 years None
Mrs. Sirivipa Supantanet
Independent Director
Position
  • Independent Director
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Business Administration (Major in Finance), Western Michigan University, USA
  • Bachelor of Accountancy (Finance), Chulalongkorn University
Director training
  • Director Certification Program (DCP) Class # 119/2009
  • Advanced Audit Committee Program (AACP) Class # 53/2024
  • Subsidiary Governance Program (SGP) Class # 11/2025
Working Experiences
24 Mar 2025 – Present
Independent Director
Advanced Info Service PCL
1 Apr 2025 – Present
Independent Director and Member of the Audit Committee
Gulf Development PCL
31 Mar 2025 – Present
Independent Director and Member of the Audit Committee
PTT Exploration and Production PCL
2024 – Present
Independent Director, Member of the Audit Committee, and Member of the Risk Management Committee
Osotspa PCL
2023 – Present
Independent Director and Member of the Audit and Risk Management Committee
SCG Decor PCL
2023 – Present
Independent Director and Member of the Audit Committee
TSFC Securities Public Company Limited
2023 – Present
Advisor to Capital Market Development and Listed Companies Supervision
The Stock Exchange of Thailand
2023 – Present
Advisor to the Board of Directors
Asset Pro Management Co., Ltd.
2023 – Present
Advisor to securities laws and regulations
Baker & McKenzie Co., Ltd.
2023 – Present
Advisor to the fundraising through the issuance and public offering of securities and listed companies supervision
Kiatnakin Phatra Asset Management Co., Ltd.
2023 – Present
Advisor
Millennium Group Corporation (Asia) PCL
2023 – Present
Advisor
Finance and Asset Committee, Mahamakut Buddhist University
2024 – 8 Apr 2025
Independent Director, Member of the Audit Committee and Member of the Corporate Governance for Sustainability Committee
Bangkok Commercial Asset Management PCL
2023 – 31 Mar 2025
Independent Director and Member of the Audit and Risk Management Committee
Intouch Holdings PCL
2019 – 2022
Deputy Secretary-General
Office of the Securities and Exchange Commission
2019 – 2022
Director
Capital Market Supervisory Board
2019 – 2022
Deputy Chairman of the Board and Chairman of the Nomination and Compensation Subcommittee
Capital Market Development Fund
Illegal Record in past 10 years None
Mr. Yol Phokasub
Independent Director
Position
  • Independent Director
  • Member of Audit and Risk Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Bachelor of Engineering (Honors) in Computer Science and Software Engineering, Imperial College, University of London, UK
Director training
  • Director Accreditation Program (DAP), Class 120/2015
  • Directors Certification Program (DCP), Class 313/2021
  • Ethical Leadership Program (ELP), Class 21/2021
  • IOD National Director Conference 2022 - Wisdom for Future: Harmonizing the Diverse Boards
  • Hot Issue for Directors: Climate Governance 2/2023
No. of other listed company to serve as director None
Working Experiences
24 March 2025 - Present
Independent Director and Member of Audit and Risk Committee
Advanced Info Service Public Company Limited
6 May 2025 - Present
Member of the Executive Committee
Osotspa Public Company Limited
2021 - Present
Independent Director
Millennium Group Corporation (Asia) Public Company Limited
2017 - Present
Chairman / Independent Director
Synergetic Auto Performance Public Company Limited
2018 - 30 April 2025
Director /Member of the Executive Committee Member of the Risk Policy / Committee Member of the Corporate Governance and Sustainability Committee / Chief Executive Officer
Central Retail Corporation Public Company Limited
Illegal Record in past 10 years None
Mr. William Woo Siew Wing
Non-executive director
Position
  • Non-executive director
  • Member of Executive Committee
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Executive MBA, The National University of Singapore
  • Computing, Queensland University of Technology, AUS
Director training None
Working Experiences
6 May 2025 - Present
Non-executive director / Member of Executive Committee
Advanced Info Service Public Company Limited
12 June 2024 - Present
Non-Executive Director
Singtel Technology Holdings Pte. Ltd.
4 Feb 2024 - Present
Non-Executive Director
VA Dynamic Sdn Bhd
9 Feb 2021 - Present
Non-Executive Director
Singtel Enterprise Security (Australia) Pty Ltd
31 Dec 2020 - Present
Non-Executive Director
Singtel Enterprise Security Pte. Ltd.
31 Dec 2020 - Present
Non-Executive Director
Singtel Cyber Security (Asia Pacific) Pte. Ltd.
31 Dec 2020 - Present
Non-Executive Director
Singtel Cyber Security (Singapore) Pte. Ltd.
13 Nov 2020 - Present
Non-Executive Director
Singtel Enterprise Security (US), Inc.
27 Nov 2020 - Present
Director
NetLink NBN Management Pte. Ltd. (Trustee-Manager of NetLink NBN Trust)
Illegal Record in past 10 years None
Additional information None
Mr. Peter Kaliaropoulos
Independent Director
Position
  • Independent Director
Share Ratio (%) * None
Relationship with Management None
Highest Education
  • Master of Business Administration, Macquarie University (Sydney, AUS)
  • Bachelor of Engineering (Electrical), University of NSW (Sydney, AUS)
Director training None
Working Experiences
6 May 2025 - Present
Independent Director
Advanced Info Service Public Company Limited
May 2025 - Present
Business Consulting
Optus Ltd (Australia)
Jan 2025 - Present
Director
St Basil’s Homes NSW & ACT (Australia)
Nov 2023 - Apr 2025
Chief Operating Officer
Optus Ltd (Australia)
Jan 2021 - Oct 2023
Advisor to CEO & Chairman
Starhub Ltd (Singapore)
Jul 2018 - Dec 2020
CEO
Starhub Ltd (Singapore)
Jun 2015 - Jun 2018
CEO, Advisor Chairman
Mobile Telecommunication Company Saudi Arabia, Zain Group
Oct 2013 - Jul 2014
Chief Operating Officer
Ooredoo, Kuwait
Illegal Record in past 10 years None
Additional information None

The Scope of Authority and Duties

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Qualification of Independent Directors

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Board Mandate

All directors shall allocate sufficient time to prepare for and attend Board and sub-committee meetings. An individual director shall not serve on more than four (4) other boards of publicly listed companies unless the Board grants specific approval. As of 2024, the Company has 10 non-executive / independent directors who hold the directorship of 4 or less in other listed company.

Board expertise & experience

The Board of Directors is comprised of 12 directors (As at the end of 2024) whose expertise and experience cover various fields as follows:

AIS has 5 members (45%) of the Board of Directors who have work experience in Telecommunication Industry consisting of 3 independent or non-executive members (27%) and 2 executive directors; Mr. Somchai Lertsutiwong and Mr. Mark Chong Chin Kok


Remark:
- As of 2024, five members of the Board of Directors qualified with criteria of independent director definition of The Securities and Exchange Commission, Thailand
- Eight members who are non-executive directors have experience in Risk & Crisis Management


 

Directors and Management’s securities holding in AIS and subsidiaries for the year 2024

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