About IRPC
Management Team

Mr. Chawalit Tippawanich
Director / Member of the Risk Management Committee / President and Chief Executive Officer / Secretary of the Board of Directors
Mr. Chawalit Tippawanich
Director / Member of the Risk Management Committee / President and Chief Executive Officer / Secretary of the Board of Directors
Education/Training
- Bachelor of Engineering in Electrical Engineering, King Mongkut’s Institute of Technology Ladkrabang
- Master of Engineering in Industrial Engineering Management, Asian Institute of Technology
- Advance Management Program (AMP 187) – Harvard Business School, Executive Education, USA
- GE Energy Customer Executive Leadership Program (GE:PTT Executive Leadership) – GE Global Learning Crotonville Leadership Institute, USA
- Advanced Certificate Course in Politics and Governance in Democratic Systems for Executives (Batch 23)
- Top Executives in the Energy Education Program (Batch 12), Thailand Energy Academy
- The Joint State-Private Sector Course (Batch 5), Police College
- Leadership Development Program III (Batch 2), PTT Leadership and Learning Institute
- Director Certification Program (DCP), Class 152/2011, Thai Institute of Directors Association (IOD)
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
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
Jan.2021 – Present Chairman, IRPC Polyol Company Limited
Dec.2020 – Present Chairman, IRPC A&L Company Limited
Dec.2020 – Present Chairman, IRPC Technology Company Limited
Dec.2020 – Present Deputy Chairman, PTT Energy Solutions Company Limited
Dec.2020 – Present Chairman, iPolymer Company Limited
Dec.2020 – Present Director, UBE Chemicals (Asia) Public Company Limited
Jan.2021 – Present Council of Trustees, Petroleum Institute of Thailand
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
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 Co., Ltd.
Mar.2019 – Nov.2020 Director, Glow SPP 2 Co., Ltd.
Mar.2019 – Nov.2020 Director, Glow SPP 3 Co., Ltd.
Mar.2019 – Nov.2020 Director, Glow IPP 2 Holding Co., Ltd.
Mar.2019 – Nov.2020 Director, Glow SPP 11 Co., Ltd.
Mar.2019 – Nov.2020 Director, Glow IPP Co., Ltd.
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, Global Power Synergy Public Company
Limited
2017 – 2018 Executive Vice President, Downstream Business Group Alignment, PTT Plc.
secondment in the position of Executive Vice President-Organization Effectiveness of Thaioil Plc.
2015 – 2016 Executive Vice President, Downstream Business Group Alignment, PTT Plc.
secondment in the position of President of HMC Polymers Co., Ltd.
2013 – 2015 Executive Vice President, Business Development and Project Management, Petrochemicals and Refining Business Unit, PTT Plc.

Mrs. Nidcha Jirametthanakij
Senior Executive Vice President, Corporate Accounting & Finance
Mrs. Nidcha Jirametthanakij
Senior Executive Vice President, Corporate Accounting & Finance
Education/Training
- Bachelor of Accounting (Accounting), Thammasat University
- Master of Business Administration, Kasetsart University
- Executive Development Program by Fiscal Policy Research Institute Foundation, Kingdom of Thailand in cooperation with Maxwell School of Syracuse University
- Advanced Management Program (AMP) 2 – People Management
- CFOs Orientation Course for New IPOs, The Stock Exchange of Thailand (SET)
- Director Certification Program (DCP), Class 206/2015, Thai Institute of Directors Association (IOD)
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Oct. 2018 – Present Senior Executive Vice President, Corporate Accounting & Finance, IRPC Public Company Limited
Mar. 2018 – Present Executive Vice President, Corporate Finance & Accounting, PTT Public company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Dec.2018 – Present Director, IRPC A&L Company Limited
Nov.2018 – Present Director, iPolymer Company Limited
Nov.2018 – Present Director, IRPC Oil Company Limited
Nov.2018 – Present Director, IRPC Polyol Company Limited
Nov.2018 – Present Director, WHA Industrial Estate Rayong Company Limited
Oct.2018 – Present Director, UBE Chemicals (Asia) Public Company Limited
Oct.2018 – Present Director, IRPC Clean Power Company Limited
Work experience within the past 5 years
2018 Executive Vice President, PTT Public Company Limited, Secondment to
PTT Oil and Retail Business Company Limited
2016 – 2018 Vice President, Group Financial Planning, PTT Public Company Limited
2013 – 2016 Acting Managing Director, PTT Regional Treasury Center Pte. Ltd.
2011 – 2013 Vice President, Investor Relations, PTT Public Company Limited

Mr. Somkiat Lertritpuwadol
Senior Executive Vice President, Corporate Strategy
Education/Training
- Bachelor of Science (Chemistry), Ramkhamhaeng University
- Master of Business Administration, Asian University
- Mini MBA, Thammasart University
- NIDA Executive Leadership Program – Wharton University of Pennsylvania
- Advanced Certificate Course in Public Economics Management for Executives, Class 11, King Prajadhipok’s Institute
- The Executive Program in Energy Literacy for a Sustainable Future (TEA) Class 9, Thailand Energy Academy
- Capital Market Academy Leader Program, Class 285/2019, Capital Market Academy, The Stock Exchange of Thailand
- Financial Statements for Directors (FSD), Class 36/2018, Thai Institute of Directors Association (IOD)
- Director Certification Program (DCP), Class 224/2016, Thai Institute of Directors Association (IOD)
- Director Accreditation Program (DAP), Class 111/2014, Thai Institute of Directors Association (IOD)
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Jan.2019-Present Senior Executive Vice President, Corporate Strategy, IRPC Public Company Limited
Jan.2019-Present Secretary of the Risk Management Committee, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Mar.2019 – Present Director, IRPC Clean Power Company Limited
Nov.2018 – Present Director, iPolymer Company Limited
Jul.2018-Present Director, WHA Industrial Estate Rayong Company Limited
Jan.2016-Present Acting Managing Director, IRPC OIL Company Limited
Jan.2016-Present Acting Managing Director, IRPC A&L Company Limited
Dec.2014-Present Director, IRPC A&L Company Limited
Feb.2012-Present Director, IRPC Oil Company Limited
Work experience within the past 5 years
Dec.2014-Feb.2019 Director UBE Chemical (Asia) Public Company Limited
Jan.2016-Dec.2018 Senior Executive Vice President, Corporate Commercial and Marketing, IRPC Public Company Limited
Feb.2015-Jun.2017 Director, IRPC PCC Company Limited
Jan.2016-Dec.2016 Acting Executive Vice President, Corporate Marketing, IRPC Public Company Limited
Feb.2012-Jul.2016 Director, Thai ABS Company Limited
Oct.2012-Apr.2015 Director, TPI Internet Portal Company Limited
2011-2015 Executive Vice President, Corporate Marketing, IRPC Public Company Limited
2010-2011 Executive Vice President, Corporate Planning Supply Feedstock&Trading /
Acting Executive Vice President, Research and Development, IRPC Public Company Limited

Miss Wanida Utaisomnapa
Senior Executive Vice President, Corporate Commercial and Marketing
Miss Wanida Utaisomnapa
Senior Executive Vice President, Corporate Commercial and Marketing
Education/Training
- Bachelor of Business Administration (Finance with second class honors), Bangkok University
- Master of Business Administration (Finance and Marketing), National University, San Diego, USA
- PLLI Leadership Development Program, IMD, Singapore
- Advance Management Program, DDI
- Leadership / The 7 HABITS of Highly Effective People, PacRim / FranklinCovey
- PTT-HBS Leadership Development Program Class 1, Harvard Business School, India&China
- Refinery Economics, Solomon Associates, Singapore
- Advance Price Risk Management, Invincible Energy, Singapore
- The Board’s Role in Strategic Formulation, Governance Matters Australia
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Jan.2019-Present Senior Executive Vice President, Corporate Commercial and Marketing, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Jul.2019 – Present Director, Guangzhou Saiju Performance Polymer Company Limited
Mar.2019 – Present Director, IRPC A&L Company Limited
Apr.2019 – Present Director, IRPC Polyol Company Limited
Jan.2019 – Present Director, UBE Chemicals (Asia) Public Company Limited
Nov.2018 – Present Director, IRPC OIL Company Limited
Work experience within the past 5 years
Nov.2018-Mar.2019 Director, IRPC Clean Power Company Limited
Oct.2018-Dec.2018 Executive Vice President, Strategic Transformation and Result Delivery Office,
IRPC Public Company Limited
Feb.2015-Dec.2018 Secretary of the Risk Management Committee, IRPC Public Company Limited
Jan.2015- Dec.2018 Executive Vice President, Corporate Business Planning, IRPC Public Company Limited
2014-2015 Executive Vice President, Corporate Planning Supply Feedstock and Trading,
IRPC Public Company Limited
2013-2014 Acting Executive Vice President, Corporate Planning Supply Feedstock and Trading / Acting Vice President of Crude Feedstock Supply Trading Department / Acting Price Risk Management Division Manager, IRPC Public Company Limited
2012-2013 Vice President of Crude & Feedstock Supply Trading Department / Acting Price Risk Management Division Manager, IRPC Public Company Limited
2011-2012 Vice President, Business Operation Planning Department, IRPC Public Company Limited
2010-2011 Division Manager, Crude Oil & Petroleum Feedstock Division, IRPC Public Company Limited

Mr. Woravuth Sivapetranart
Senior Executive Vice President, Petrochemical and Refinery Operation
Mr. Woravuth Sivapetranart
Senior Executive Vice President, Petrochemical and Refinery Operation
Education/Training
- Bachelor of Science (Chemistry), Prince of Songkla University
- Master of Business Administration (Business Administration), Chulalongkorn University
- MINI MBA Thammasat University
- GE Global Customer Summit, ASEAN Executive Program, Crotonville, USA
- Leadership Development Program III, PTT Leadership and learning Institute
- Senior Executive Program (SEP), Class 32, Sasin Graduate Institute of Business Administration of Chulalongkorn University
- Advanced Management Program 3 (AMP3), PTT Leadership and learning Institute
- Executive Energy Management Program (EEM), Season 3, Ministry of Energy
- Director Certification Program (DCP), Class 281/2019, Thai Institute of Directors Association (IOD)
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Mar.2019 – Present Senior Executive Vice President, Petrochemical and Refinery Operation, IRPC Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Mar.2019 – Present Director, WHA Industrial Estate Rayong Company Limited
Mar.2019 – Present Director, IRPC Clean Power Company Limited
Mar.2017 – Present Director, IRPC Polyol Company Limited
Apr.2017- Present Director, IRPC A&L Company Limited
Work experience within the past 5 years
Jan.2019-Feb.2019 Senior Executive Vice President, Petrochemical & Refinery Business Unit, IRPC Public Company Limited
Jan.2017-Dec.2018 Executive Vice President, Refinery and Petrochemical Operation, IRPC Public Company Limited
2014-2016 Executive Vice President, Technology & Operational Excellence, IRPC Public Company Limited
2011-2014 Executive Vice President Operation 2, IRPC Public Company Limited
2010-2011 Acting Executive Vice President, Operation 2, IRPC Public Company Limited

Mr. Veerawat Srinoradithlert
Senior Executive Vice President, Corporate Organization Effectiveness
Mr. Veerawat Srinoradithlert
Senior Executive Vice President, Corporate Organization Effectiveness
Education/Training
- Bachelor of Engineering (Chemical Engineering), King Mongkut’s University of Technology Thonburi
- Master of Business Administration, Burapha University
- Mini MBA, Thammasat University
- Executive Development Program
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Jan.2020 – Present Acting Senior Executive Vice President, Innovation and Operation Excellence, IRPC Public Company Limited
Mar.2019 – Present Senior Executive Vice President, Corporate Organization Effectiveness
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
May.2020 – Present Director, Rayong Acetylene Company Limited
Apr. 2020 – Present Director, IRPC OIL Company Limited
Oct.2019 – Present Director, IRPC Technology Company Limited
Work experience within the past 5 years
2012-Feb.2019 Executive Vice President, Engineering & Maintenance, IRPC Public Company Limited
2011-2012 Vice President, Complex 1 Department / Analytical Center & Laboratory Department, IRPC Public Company Limited
2010-2011 Vice President, Complex 1 Department, IRPC Public Company Limited

Mr. Thammasak Panyowatkool
Executive Vice President, Corporate Accounting
Education
- Bachelor of Science (Accounting), Kasetsart University7
Director Training
- Mini MBA : Executive Leadership Development Program Faculty of Commerce and Accountancy, Thammasat University 7
- The Manager Program, Management and Psychology Institute, Class 47
Experience
- 2014-Present Executive Vice President, Corporate Accounting IRPC Public Company Limited
- 2013-2014 Acting Executive Vice President, Corporate Accounting IRPC Public Company Limited
- 2010-2013 Vice President, Managerial Accounting Department IRPC Public Company Limited

Miss Arisara Suthasut
Executive Vice President, Corporate Affairs and Company Secretary
Education/Training
- Bechelor of Engineeering (Chemical Engineering), Kasetsart University
- Master of Science, Petrochemical Technology, The Petroleum and Petrochemical College, Chulalongkorn University
- Company Secretary Program (CSP) , Class 106/2020, Thai Institute of Directors Association (IOD)
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
Jan.2020 – Present Acting Executive Vice President, Corporate Sustainability Management, IRPC Public Company Limited
Oct.2019 – Present Executive Vice President, Corporate Affairs and Company Secretary, IRPC Public Company Limited
2019 – Present Department Manager, Chief Operation Office Downstream Petroleum Business, PTT Public Company Limited
Board member/Management in Non-Listed Company – The Stock Exchange of Thailand
Oct.2019 – Present Director, Technology IRPC Company Limited
Oct.2019 – Present Director, Sarn Palung Social Enterprise Company Limited
Work Experience within the past 5 years
2018 – Sep.2019 Director, Corporate Management Department, PTT Tank Terminal Company Limited
2013 – 2019 Division Manager, Downstream Business, PTT Public company Limited
2013 – 2017 Division Manager, Business Development Department, IRPC Public Company Limited
2012 – 2013 Analyst, Petrochemical Subsidiary Planning and Management, PTT Public Company Limited

Mr. Phothiwat Paopongchuang
Executive Vice President assigned to work as a Managing Director of Technology IRPC Company Limited
Mr. Phothiwat Paopongchuang
Executive Vice President assigned to work as a Managing Director of Technology IRPC Company Limited
Education
- Phd. of Industrial Business and Human Resource King Mongkut’s University of Technology North Bangkok
- Master of Industrial Management Engineering King Mongkut’s University of Technology North Bangkok
- Master of Public Administration (M.P.A) National Institute of Development Administration (NIDA)
- B.Eng of Mechanical Engineering, Khonkaen University
- Professional Engineer, Council of Engineers
Experience
- 2014 – Present – Executive Vice President, IRPC Public Company Limited
- 2014 – Present Managing Director, Technology IRPC Company Limited
- 2011 – 2014 – Acting Executive Vice President, – IRPC’s Office of Industrial Zone Management, IRPC Public Company Limited
- 2010 – 2011 – IRPC Plc Vice President of CSR Division, IRPC Public Company Limited
- 2009 – 2010 – Vice President of Engineering Division, IRPC Public Company Limited
- 2003 – 2008 – Assistant Vice President of Engineering Division, IRPC Public Company Limited

Mr. Kraisit Anukoolutaiwong
Executive Vice President, Corporate Human Resources
Education
- Master of Public Administration, National Institute of Development Administration (NIDA)
- Mini MBA, Thammasat University
- Bachelor of Political Science, Thammasat University
Experience
- 2011-Present Executive Vice President, Corporate Human Resource, IRPC Public Company Limited
- 2015-Present Director, Technology IRPC Company Limited
- 2014-Present Director, TPI Internet Portal Company Limited

Mr. Rathapol Unakanporn
Executive Vice President, Infrastructure management & logistics
Education
- Bachelor of Science, King Mongkut’s University of Technology Thonburi
- Master of Engineering (Industrial Engineering), Kasetsart University
- Master of Public Administration (M.P.A.), Graduate School of Public, Administration National Institute
- MINI MBA, Thammasat University
Director Training
- The Global Petrochemical Industry
- Lummus Technology Seminar, Lummus Technology a CB&I company
- Project Management (FOSTER WHEELER)
- The Global Customer Summit GE Crotonvill, USA
- Leadership Development Program II, PTT Leadership and Learning Institute
Experience
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
- Jan.2019 – Present Acting Executive Vice President, Infrastructure management t& logistics IRPC Public Company Limited
Work Experience within the past 5 years
- Jan.2017 – Dec.2018 Vice President, Corporate Social Responsibility IRPC Industrial Zone
- Jan.2014 – Dec.2016 Vice President, Styrenics & Aromatics Department

Mr. Pranarch Kosayanont
Executive Vice President, Refinery and Petrochemical Operation
Education
- Bachelor of Science (Chemistry), King Mongkut’s University of Technology Thonburi
- Mini MBA, Thammasart University
Director Training
- PTT-HBS Leadership Development Program 1
- Senior Executive Program (SEP), Class 25, Sasin Graduate Institute of Business Administration of Chulalongkorn University
Experience
Current Position
Board member/Management in Listed Company – The Stock Exchange of Thailand
- Jan.2019 – Present Acting Executive Vice President, Refinery and Petrochemical Operation,
IRPC Public Company Limited
Work Experience within the past 5 years
- Oct.2014 – Dec.2018 Vice President, Refinery, IRPC Public Company Limited
- 2010 – Oct.2014 Vice President, Lube Base Oil, IRPC Public Company Limited