Mr. Siri Jirapongphan
Chairman
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2022 – Present Chairman, IRPC Public Company Limited
Jun. 2021 – Present Business rehabilitation plan administrator, Thai Airways International Public Company Limited
Apr. 2021 – Present Chairman of the Nomination and Remuneration Committee / Member of the Audit Committee, Bangkok Bank Public Company Limited
Jul. 2020 – Present Independent Director, Bangkok Bank Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Oct. 2021 – Present Director, Petroleum Institute of Thailand Foundation
Aug. 2020 – Present Advisor to the Minister of Energy
Work experience within the past 5 years
Nov.2017 – Jul. 2019 Minister of Energy
Nov. 2015 – Nov.2017 Independent Director / Member of the Audit Committee, Thai Oil Public Company Limited
Oct. 2014 – Sep. 2015 Member of the National Reform Council
Sep. 2014 – Apr. 2015 Independent Director / Director to the Risk Management Committee, PTT Global Chemical Public Company Limited
Jan. 2010 – Nov. 2017 Executive Director, Petroleum Institute of Thailand
Mr. Kris Imsang
Director / Chairman of the Nomination and Remuneration Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2022 – Present Chairman of the Nomination and Remuneration Committee, IRPC Public Company Limited
Jan. 2021 – Present Director / Board of the Nomination and Remuneration Committee,
PTT Oil and Retail Business Public Company Limited
Jun. 2020 – Present Chief Operating Officer, Downstream Petroleum Business Group, PTT Public Company Limited
Dec. 2017 – Present Director, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Feb. 2021 – Present Board of Directors, Sirindhorn International Institute of Technology, Thammasat University (SIIT)
Sep. 2020 – Present Chairman, PTT Tank Terminal Company Limited
2020 – Present Vice Chairman – FTI Academy Committee, The Federation of Thai Industries
2020 – Present Extraordinary Director, EU-Thai Business Council
Jun. 2020 – Present Executive Director, Thailand Energy Academy
Aug. 2019 – Present Qualified Member of the Committee for Social Enterprise Promotion
Work experience within the past 5 years
Jan. 2021 – Apr. 2022 Chairman, IRPC Public Company Limited
Mar.2019 – Jan. 2020 Member of the Nomination and Remuneration Committee, IRPC Public Company Limited
Nov.2019 – May.2020 Senior Executive Vice President, Down Stream Business Group Alignment, PTT Public Company Limited
Oct.2018 – Oct.2019 Senior Executive Vice President, Corporate Governance and Regulatory Affairs, PTT Public Company Limited
Jan.2018 – Sep.2018 Senior Executive Vice President, Organization Management and Sustainability, PTT Public Company Limited
Dec.2017 – Feb.2019 Member of the Corporate Governance Committee, IRPC Public Company Limited
Sep.2017 – Oct.2019 Chairman, Sarn Palung Social Enterprise Company Limited
Mar.2016 – Aug.2019 Committee, Kamnoetvidya Science Academy (KVIS)
Feb.2016 – Dec.2017 Senior Executive Vice President, Human Resources & Organization Excellence, PTT Public Company Limited
Feb.2015 – Nov.2019 Chairman, Energy Complex Company Limited
Aug.2015 – Jan.2016 Executive Vice President, Retail Marketing, PTT Public Company Limited
Mr. Anusorn Sangnimnuan
Independent Director / Chairman of the Risk Management Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr.2021 – Present Chairman of the Risk Management Committee, IRPC Public Company Limited
Aug.2016-Present Independent Director, IRPC Public Company Limited
2016-Present Independent Director / Chairman of the Corporate Governance Committee /
Member of the Nomination and Remuneration Committee,
Pruksa Holding Public Company Limited
2016-Present Director, B.Grimm Power Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
– None –
Work experience within the past 5 years
Sep.2016 – Mar.2021 Chairman of the Corporate Governance Committee, IRPC Public Company Limited
2014-2017 Independent Director, Pruksa Real Estate Public Company Limited
2014-2017 Chairman, The Transport Company limited
2013-2017 Director, Office of The National Economic and Social Development Board
2013-2016 Director, The Krungthep Thananakom Company Limited
Mr. Somnuk Bomrungsalee
Independent Director / Chairman of the Audit Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Nov. 2018 – Present Independent Director / Audit Committee / Chairman of Nomination and Remuneration Committee, Megachem (Thailand) Public Company Limited
Dec. 2017 – Present Chairman of the Audit Committee, IRPC Public Company Limited
Oct. 2017 – Present Independent Director, IRPC Public Company Limited
Apr. 2014 – Present Director, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
– None –
Work experience within the past 5 years
Feb. 2018 – 2019 Advisor, Energy Fund Administration Institute
Nov. 2017 – 2018 Sub – Committee, State Audit Commission, Office of the Auditor General of Thailand
Apr. 2016 – Nov. 2017 Member of the Nomination and Remuneration Committee, IRPC Public Company Limited
Oct. 2016 – Sep. 2017 Deputy Secretary of Energy
Oct. 2015 – 2019 Sub – Committee, Energy Commission, The National Legislative Assembly
Jul 2014 – Sep. 2016 Inspector General, Ministry of Energy
Mr. Supot Laosuarpha
Director / Chairman of the Corporate Governance Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2022 – Present Chairman of the Corporate Governance Committee, IRPC Public Company Limited
Mar. 2021 – Present Director, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
2020 – Present Adviser to the Minister of Energy
2020 – Present Subcommittee on Creation and Development of Curriculum and Learning Materials on Anti-
Corruption, 2021, Office of the National Anti-Corruption Commission
2020 – Present Subcommittee on Legal and Regulatory, Office of the National Anti-Corruption Commission
2018 – Present Promotion of National Strategy on Anti-Corruption Phase 3 (2017-2021) Committee, Committee No. 1, Office of the National Anti-Corruption Commission
2016 – Present Legal committee Federation of Thai Industries
015 – Present Chairman, PTT Green Energy (Thailand) Company Limited
Work experience within the past 5 years
Apr. 2021 – Apr. 2022 Member of the Corporate Governance Committee, IRPC Public Company Limited
2019 – Feb. 2021 Legal Advisor, IRPC Public Company Limited
2018 – 2019 Advisor to the Working Group of the Minister of Energy
2018 – 2019 Director, State Railway of Thailand
2018 – 2019 Chairman of Subcommittee Corporate Governance and Social Responsibility, State Railway of Thailand
2018 – 2019 Member of the Audit Committee, State Railway of Thailand
2018 Subcommittee on Agenda Screening to Board of Director, Port Authority of Thailand
2018 Subcommittee on Legal to Board of Director, Port Authority of Thailand
2018 Subcommittee on Asset Reformation, Port Authority of Thailand
2017 – 2018 Legal Advisor , Business Professional Solutions Recruitment Company Limited
2016 – 2018 Chairman, Business Services Alliance Company Limited
2016 – 2017 Director, East Mediterranean Gas S.A.E. Company Limited
2016 – 2017 Senior Executive Vice President Taking a Position of Executive Vice President, Office of Corporate Legal, PTT Public Company Limited
2016 – 2017 Senior Executive Vice President, under Senior Executive Vice President, Human Resources and Organization Potential Responsible for controlling Office of Corporate Legal, PTT Public Company Limited
2012 – 2015 Director, Energy Complex Company Limited
2011 – 2016 Director, Business Services Alliance Company Limited
Mr. Ekniti Nitithanprapas
Director / Member of the Risk Management Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Feb.2020 – Present Chairman, TMB Bank Public Company Limited
Feb.2020 – Present Chairman, Thanachart Bank Public Company Limited
Mar.2016 – Present Member of the Risk Management Committee, IRPC Public Company Limited
Nov.2015 – Present Director, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
May 2018 – Present Director-General of the Revenue Department
Work experience within the past 5 years
Jun.2018 – Jan.2020 Director / Chairman, Krungthai Bank Public Company Limited
Jul.2018 – Oct.2019 Chairman, Thai Airways International Public Company Limited
Jun.2018 – Oct.2019 Director, Thai Airways International Public Company Limited
Nov.2015 – May2018 Director, Siam Commercial Bank Public Company Limited
Nov.2015 – May2018 Member of Nomination, Compensation and Corporate Governance Committee, Siam Commercial Bank Public Company Limited
Nov.2015 – May2018 Chairman, National Credit Bureau Company Limited
Oct.2015 – May2018 Director-General of the State Enterprise Policy Office, Ministry of Finance
Miss Siriwan Chierapong
Independent Director / Member of the Audit Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr.2019 – Present Independent Director/ Member of the Audit Committee, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
– None –
Work Experience within the past 5 years
2014-2018 Advisor, PTT Polymer Marketing Company Limited
2013-2014 President, PTT Polymer Marketing Company Limited
2012-2013 Executive Vice President, Strategy and Portfolio Management, Corporate Strategy and Organization Development, PTT Public Company Limited
2009-2012 Executive Vice President, Business Development and Project Management, Petrochemicals and Refining Business Unit, PTT Public Company Limited
2005-2009 Executive Vice President, Subsidiary Planning and Management, Petrochemicals and Refining Business Unit, PTT Public Company Limited
Mr.Jumpol Sumpaopol
Independent Director / Member of Audit Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Oct. 2019 – Present Independent Director / Member of the Audit Committee, IRPC Public Company Limited
Feb. 2017 – Present Independent Director / Chairman / Chairman of Nomination and Remuneration committee,
Stonehenge Inter Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
2007 – Present University Promotion Committee Board, King Mongkut’s University of Technology Thonburi
Work Experience within the past 5 years
Apr. 2013 – 2016 Deputy Governor of Bangkok, Bangkok Metropolitan Administration
2011 – 2013 Board of Directors, Metropolitan Electricity Authority (MEA)
2011 – 2013 Deputy Permanent Secretary for Bangkok, Bangkok Metropolitan Administration
Oct.2009 – Sep.2011 Director General Public works Department, Bangkok Metropolitan Administration
Miss Peangpanor Boonklum
Director/ Member of the Risk Management Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2021 – Present Director / Member of the Risk Management Committee, IRPC Public Company Limited
Oct. 2017 – Present Senior Executive Vice President, Office of General Counsel
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Dec. 2019 – Present Director, Energy Complex Company Limited
Oct. 2021 – Present Chairman, Global Renewable Power Company Limited
Oct. 2021 – Present Chairman, PTT Saving and Credit Cooperative Limited
Nov. 2021 – Present Director, CU Engineering Enterprise Company Limited
Nov. 2021 – Present Director, Primate Enterprise Company Limited
Work experience within the past 5 years
Jan. 2021 – Mar. 2021 Director / Member of the Corporate Governance Committee, IRPC Public Company Limited
Dec. 2019 – Nov. 2019 Chairman, Energy Complex Company Limited
Mar. 2018 – Dec. 2020 Director, PTT Oil and Retail Business Public Company Limited
Apr. 2017 – Dec. 2019 Director, Global Power Synergy Public Company Limited
Oct. 2017 – Sep. 2018 Director, East Mediterranean Gas Company S.A.E.
Feb. 2017 – Jan. 2018 Member – Legal Expert, Finances and Assets Policy Committee, Srinakharinwirot University
Feb. 2017 – Aug. 2017 Independent Director / Member of the Audit Committee Bangkok Commercial Asset Management Public Co., Ltd.
Mar. 2016 – Jun. 2017 Senior Counsel, Weerawong, Chinnavat & Patners Company Limited (Former Company Name: Weerawong, Chinnavat & Peangpanor Company Limited”. Changed to the current name on April 3, 2017)
2013 – Mar. 2018 Advisor / Lecturer, Investment Banking Club, Association of Thai Securities Companies
2009 – Feb. 2016 Partner and Associate, Weerawong, Chinnavat & Peangpanor Company Limited
Asst. Prof. Dr. Chaiyaporn Puprasert
Independent Director/Member of the Corporate Governance Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2021 – Present Member of the Corporate Governance Committee, IRPC Public Company Limited
Mar.2021 – Present Independent Director, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Apr. 2021 – Present Director, Chulalongkorn University Alumni Association
Oct. 2019 – Present Expert member in Water Pollution Control Sub-Committee, Department of Pollution Control, Ministry of Natural Resources and Environment
May 2018 – Present Vice President for Student Affairs, Chulalongkorn University
Dec. 1995 – Present Assistant Professor, Department of Environmental Engineering, Faculty of Engineering,
Chulalongkorn University
Work experience within the past 5 years
May 2016 – Apr. 2018 Assistant to the president for Student and Alumni Affairs, Chulalongkorn University
Mar. 2013 – Feb. 2016 Independent Director/ Member of the Audit Committee, Daii Group Public Company Limited
Apr. 2010 – May 2016 Head of Environmental Engineering Department, Faculty of Engineering, Chulalongkorn University
Mr. Chawalit Tippawanich
Director / Member of the Risk Management Committee / President and Chief Executive Officer / Secretary of the Board of Directors
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Dec. 2020 – Present Director / Member of the Risk Management Committee / President and Chief Executive Officer /
Secretary of the Board of Directors, IRPC Public Company Limited
Dec. 2020 – Present Director, UBE Chemicals (Asia) Public Company Limited
2018 – Present Senior Executive Vice President, Downstream Petroleum Business Group, PTT Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Oct. 2021 – Present Chairman, PTT Energy Solutions Company Limited
Apr. 2021 – Present Member of the Council of Honorable Institutions, Vidyasirimedhi Institute of Science and Technology (VISTEC)
Mar. 2021 – Present Advisor to the Thai Volunteer Power Club
Mar. 2021 – Present Chairman, IRPC OIL Company Limited
Jan. 2021 – Present Chairman, IRPC Polyol Company Limited
Jan. 2021 – Present Council of Trustees, Petroleum Institute of Thailand
Dec.2020 – Present Chairman, IRPC A&L Company Limited
Dec. 2020 – Present Chairman, IRPC Technology Company Limited
Dec. 2020 – Present Chairman, iPolymer Company Limited
Dec. 2020- Present Council Member / Executive Committee, Thailand Business Council for Sustainable (TBCSD)
Dec. 2020 – Present Advisory Committee of the Petroleum and Petrochemical College, Chulalongkorn University
Jul. 2020 – Present Director, The Federation of Thai Industries
Work experience within the past 5 years
Dec. 2020 – Oct. 2021 Deputy Chairman, PTT Energy Solutions Company Limited
Jan. 2019 – Nov. 2020 Director, Ratchaburi Power Company Limited
Apr. 2019 – Nov. 2020 Director, Glow Energy Public Company Limited
Mar. 2019 – Nov. 2020 Director, Glow Company Limited
Mar. 2019 – Nov. 2020 Director, Glow SPP 2 Company Limited
Mar. 2019 – Nov. 2020 Director, Glow SPP 3 Company Limited
Mar. 2019 – Nov. 2020 Director, Glow IPP 2 Holding Company Limited
Mar. 2019 – Nov. 2020 Director, Glow SPP 11 Company Limited
Mar. 2019 – Nov. 2020 Director, Glow IPP Company Limited
Nov. 2018 – Nov. 2020 Director, Xayaburi Power Company Limited
Oct. 2018 – Nov. 2020 Director / Member of the Risk Management Committee / President and Chief Executive Officer / Secretary of the Board of Directors, Global Power Synergy Public Company Limited
2017 – 2018 Executive Vice President, Downstream Business Group Alignment, PTT Public Company Limited secondment in the position of Executive Vice President-Organization Effectiveness of Thaioil Public Company Limited
2015 – 2016 Executive Vice President, Downstream Business Group Alignment, PTT Public Company Limited secondment in the position of President of HMC Polymers Company Limited
Mr. Chansak Chuenchom
Director / Member of the Risk Management Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2022 – Present Member of the Risk Management Committee, IRPC Public Company Limited
Oct. 2021 – Present Director, IRPC Public Company Limited
Oct. 2021 – Present Senior Executive Vice President, Engineering and Infrastructure, PTT Public company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Dec. 2020 – Present Director, SUEZ Environmental Services Company Limited
Apr. 2019 – Present Director, Energy Complex Company Limited
Apr. 2018- Present Director, Combined Heat and Power Producing Company Limited
Work experience within the past 5 years
Oct. 2021 – April 2022 Member of the Nomination and Remuneration Committee, IRPC Public Company Limited
Oct. 2015 – Sep.2021 Executive Vice President, Engineering and Project Management, PTT Public company Limited
Aug. 2014 – Sep. 2015 Vice President, Project Engineering Department, PTT Public company Limited
Mr. Petai Mudtham
Director / Member of the Nomination and Remuneration Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Jan. 2022 – Present Director / Member of the Nomination and Remuneration Committee, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Dec. 2020 – Present Inspector General, Ministry of Energy
Work experience within the past 5 years
Dec. 2020 – Jan. 2022 Acting Manager Of ENCON Fund Office
Oct. 2017 – Dec. 2020 Deputy Director General, Energy Policy and Planning Office
Mar. 2015 – Sep. 2017 Director of Petroleum and Petrochemical Policy Bureau, Energy Policy and Planning Office
General Aittipol Suwannarat
Independent Director / Member of the Corporate Governance Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2022 – Present Independent Director, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Oct. 2021 – Present Army Senior Advisor, Office of the Commander
Dec. 2021 – Present Director, KTB General Services and Security Company Limited
Work experience within the past 5 years
Oct. 2020 – Sep. 2021 Army Advisor
Apr. 2019 – Sep. 2020 Deputy Commanding General, Territorial Defense Command
Oct. 2018 – Mar. 2018 1st Corps Deputy Commander
Oct. 2016 – Sep. 2018 Commanding General, The 13th Military Circle
Mr. Yordchatr Tasarika
Independent Director / Member of the Nomination and Remuneration Committee
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Apr. 2022 – Present Independent Director / Member of the Nomination and Remuneration Committee,
IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
2020 – Present Acting Director of Division 2, Strategic Transformation Office
2020 – Present Member and Secretary of the Urgent Law Reform Committee
2020 – Present Members of the Subcommittee on Legal Reform for Digital Economy and Society and Subcommittee on Revision of Outdated Laws, Urgent Law Reform Committee
2016 – Present Director of Special Affairs, Thai Law Division, Office of the Council of State
2014 – Present Adjunct Lecturer, Faculty of Economics, Kasetsart University
Work experience within the past 5 years
2019 – 2020 Member of the Ad Hoc Committees of the House of Representatives and Senate to Deliberate the Bill on Organisation to Assign Radio Frequencies and to Regulate Broadcasting and Telecommunication Services (No. ..) B.E. …. (Selection of NBTC Commissioners)
2019 Member of the Ad Hoc Committee of the National Legislative Assembly to Deliberate the Bill on Electronic Transactions (No. ..) B.E. …. (Digital Identification)
2019 Member of the Ad Hoc Committee of the National Legislative Assembly to Deliberate the
Bill on Protection of the Public in Contracts for Sale with Right of Redemption of Land for Agricultural or Residential Purposes B.E. ….
2019 Member of the Ad Hoc Committee of the National Legislative Assembly to Deliberate the Bill on Leasehold Rights B.E. ….
2018 – 2020 Member of the Legal Subcommittee, Tobacco Authority of Thailand
2018 Member of the Ad Hoc Committee of the National Legislative Assembly to Deliberate the Bill on Tobacco Authority of Thailand B.E. ….
2017 – 2020 Member of the Legal Committee, Thai Airways International Public Company Limited
2016 – 2020 Secretary of various committees of the Council of State
2013 – 2017 Member and Secretary of the Subcommittee on Revision of Civil Procedure Code, Office of the Council of State
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