Management Team

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Nitus Voraphonpiput, Ph.D.
Director
(EGAT's Representative Director, Authorized Director and Executive Director)
Chief Executive Officer
Secretary to the Board of Directors

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Mr. Sakarin Tangkavachiranon
Chief Power Business Development Officer
Acting Executive Vice President - Related and New Business
Secretary to the Investment Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Thana Boonyasirikul, Ph.D.
Chief Asset Management Officer

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mrs. Wadeerat Charoencoop
Chief Financial Officer
(Top Responsible Person in Accounting and Finance)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Nawapol Disathien
Executive Vice President - Corporate Administration
Secretary to the Human Resources and Remuneration Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Chollawit Winitchai
Executive Vice President - Power Business - Domestic and Neighboring Countries

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Thikhumporn Daorote
Executive Vice President - Power Business - International

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Udompong Chuntharumporn
Executive Vice President - Power Project Development

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Suteep Thummarugee
Executive Vice President - Asset Management

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Jittasak Soonthornpan
Executive Vice President - Finance

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Anongnuch Tangthanawatskul
Vice President - Head of General Accounting Department (Chief Accountant)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Puthachard Smitamegha
Senior Vice President - Head of Tax Management and General Ledger Department

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Saowanee Deetayat
Senior Vice President - Head of Accounting Control and Analysis Department

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Yeamyut Sangkittipaiboon, Ph.D.
Senior Vice President - Head of Financial Planning and Management Department

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Kamolkarn Hinviman
Senior Vice President - Head of Internal Audit Department (Head of Internal Audit)
Secretary to the Audit Committee
Miss Wanphen Chamkham
Senior Vice President - Head of Company Secretary Office and seconded to be Company Secretary
Nitus Voraphonpiput, Ph.D.
Nitus Voraphonpiput, Ph.D.
Director
(EGAT's Representative Director, Authorized Director and Executive Director)
Chief Executive Officer
Secretary to the Board of Directors

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

54 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

23 April 2024

Date Appointed as Chief Executive Officer

1 May 2024

Education
  • Ph.D. (Electrical Engineering), King Mongkut’s University of Technology North Bangkok
  • Master of Engineering (Electrical Engineering), King Mongkut’s University of Technology North Bangkok
  • Bachelor of Engineering (Electrical Engineering), King Mongkut’s University of Technology North Bangkok
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • Financial Statements for Directors (FSD 54/2025)
    • Strategic Board Master Class (SBM 15/2024)
    • Director’s Guide to Legal Obligations and Duties (DLD 2/2024)
    • Role of the Chairman Program (RCP 57/2024)
    • Director Certification Program (DCP 333/2023)
    • Successful Formulation and Execution of Strategy (In-house SFE EGAT 1/2020)
  • Arranged by Other Institution
    • Transformational Leader Course, White Rabbit Management Co., Ltd.
    • APAC Energy Storage Systems Course, Australia
    • Development-driven Leadership Course according to the Sufficiency Economy Philosophy, The Natural Resources and Environmental Studies Center, Mae Fah Luang University
    • Power Transmission and RE Integration Solutions Course, The U.S. Trade and Development Agency, United States of America
    • Solar, Wind, Battery, High-End Executive Training Course, The Reiner Lemoine Institute, Germany
    • Inspirational Leadership for High-Level Executives Course, King Prajadhipok's Institute
    • Digital Strategy for Executive Course, 2 3 Perspective Co., Ltd.
    • Leadership Succession Program (LSP), Class 11 (2020), Institute of Research and Development for Public Enterprises (IRDP)
    • Security Psychology Program, Class 119 (2019), Institute of Security Psychology, National Defence Studies Institute
    • EGAT Enhancing Program (EEP)
    • EGAT Leadership Calibration Exercise (ELCE)
    • EGAT Get Ready Program (EGRP)
Work Experiences in the Previous 5 Years (Year 2020 - 2025) and/or Important Positions
2022 - 2024 : Deputy Governor - Fuel, EGAT/1
: Director, EGAT Diamond Service Company Limited (EDS)/1
2021 - 2022 : Assistant Governor - Corporate Strategy, EGAT
2020 - 2021 : Director, Generation and Transmission System Planning Division, EGAT
2018 - 2020 : Director, Power Purchase Agreement Division, EGAT
Current Positions
Other Listed Companies
2024 - Present : Board of Directors Member, Bangkok Aviation Fuel Services Public Company Limited /2
: Director and Vice Chairman, Ratch Pathana Energy Public Company Limited /3
Non-listed Organizations
2025 - Present : Board of Directors Member, Thang Long Power Plant Joint Stock Company/4
: President Commissioner, PT Paiton Energy/5
: Representative of Executive Committee, PT Paiton Energy/6
: Chairman of the Board of Directors, Ratchaburi Power Company Limited /7
2024 - Present : Chairman of the Board of Directors, Ratchaburi Electricity Generating Company Limited /8
: Chairman of the Board of Directors, Hin Kong Power Company Limited /9
: Chairman of the Board of Directors, PT Medco Ratch Power Riau /10
: Board of Directors Member, Hongsa Power Company Limited /8
: Board of Directors Member, Phu Fai Mining Company Limited /8
: Chairman of the Board of Directors, RATCH-Australia Corporation Pty Ltd and other subsidiaries of RATCH-Australia Corporation Pty Ltd /11

Notes : /1 Retired from the position from 1 May 2024 onwards.
                              /2 Effective from 8 May 2024.
                              /3 Effective from 14 May 2024.
                              /4 Effective from 1 September 2025.
                              /5 Effective from 14 August 2025.
                              /6 Effective from 6 August 2025.
                              /7 Effective from 1 May 2025.
                              /8 Effective from 1 May 2024.
                              /9 Effective from 3 May 2024.
                              /10 Effective from 16 May 2024.
                              /11 Effective from 24 May 2024.
                              EGAT stands for Electricity Generating Authority of Thailand

Mr. Sakarin Tangkavachiranon
Mr. Sakarin Tangkavachiranon
Chief Power Business Development Officer
Acting Executive Vice President - Related and New Business
Secretary to the Investment Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

59 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00230
  • Indirect: None
Starting Date of Position

1 January 2020

Education
  • Master of Public and Private Management Program (Honours), National Institute of Development Administration
  • Bachelor of Engineering (Mechanical Engineering), Kasetsart University
Important Trainings/Seminars
  • Director Certification Program (DCP 221/2016), Thai Institute of Directors Association
  • Executive Energy Management Program (Class 11), Ministry of Energy
  • Mini Master of Management, National Institute of Development Administration
  • Plant Maintenance Engineering Program, Japan International Corporation Agency (JICA)
  • Energy Sustainability and Conservation Program, Department of Alternative Energy Development and Efficiency, Ministry of Energy
  • General Information of Railway System Program, Kasetsart University
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2024 - 2025 : President Commissioner, PT Paiton Energy
: Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
2023 - 2025 : Chairman of the Board of Directors, Xekong Investment Advisory Company Limited
2020 - 2024 : Chairman of the Board of Directors, An Binh Investment Group Joint Stock Company
2021 : Board of Directors Member, Innopower Company Limited
2020 - 2021 : Board of Directors Member, RATCH-Australia Corporation Pty Ltd
: Board of Directors Member, NEXIF RATCH Energy Rayong Company Limited
: Board of Directors Member, Hin Kong Power Holding Company Limited
2019 - 2021 : Board of Directors Member, Nava Nakorn Electricity Generating Company Limited
2019 : Chairman of the Board of Directors, RATCH Cogeneration Company Limited
: Executive Vice President - Power Business, RATCH Group Public Company Limited
2018 - 2020 : Board of Directors Member, Berkprai Cogeneration Company Limited
Current Positions
Other Listed Companies
2021 - Present : Board of Directors Member, Nomination and Remuneration Committee Member and Chairman of Executive Committee, Ratch Pathana Energy Public Company Limited
: Board of Directors Member, Principal Capital Public Company Limited
Non-listed Organizations
2023 - Present : Chairman of the Board of Directors, Xekong 4 Power Company Limited
2022 - Present : Board of Directors Member, Nexif Ratch Energy Investment Pte. Ltd.
2021 - Present : Chairman of the Board of Directors, RATCH Cogeneration Company Limited
: Chairman of the Board of Directors, RATCH-LAO Services Company Limited
2020 - Present : Chairman of the Board of Directors, An Binh Energy and Infrastructure Fund
: Board of Directors Member, Hin Kong Power Company Limited
: Board of Directors Member, Nexif Ratch Energy Singapore Pte. Ltd.
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
Thana Boonyasirikul, Ph.D.
Thana Boonyasirikul, Ph.D.
Chief Asset Management Officer

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

56 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00055
  • Indirect: None
Starting Date of Position
  • 1 January 2022
Education
  • Doctor of Engineering (Water Resources Development), Asian Institute of Technology
  • Master of Engineering (Water Resources Engineering), Asian Institute of Technology
  • Bachelor of Engineering (Irrigation Engineering) (1st Class Honours), Kasetsart University
Important Trainings/Seminars
  • Director Certification Program (DCP 330/2022), Thai Institute of Directors Association
  • Risk and Crisis Communications Exclusive Media
  • Thailand’s Future Energy Leader Program, LEAD Business Institute
  • Mergers & Acquisitions, Baker & McKenzie
  • Advance Certificate Course, Environmental Governance for Executive, Class 1, King Prajadhipok’s Institute
  • Financial Thinking for Non-Financial Managers, SASIN Graduate Institute of Business Administration, Chulalongkorn University
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2022 - 2023 : Chairman of the Board of Directors, Ratchaburi World Cogeneration Company Limited
2020 - 2021 : Executive Vice President, RATCH Group Public Company Limited, and seconded to be Managing Director, Ratchaburi Electricity Generating Company Limited
2020 : Board of Directors Member, Ratchaburi World Cogeneration Company Limited
: Board of Directors Member, Chubu Ratchaburi Electric Services Company Limited
2019 - 2021 : Board of Directors Member, Berkprai Cogeneration Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, Ratchaburi Power Company Limited
2024 - Present : Board of Directors Member, Marulan Solar Farm Pty Ltd
: President Commissioner, PT Paiton Operation and Mainterance Indonesia
2023 - Present : Board of Directors Member, Thang Long Power Plant Joint Stock Company
: Board of Directors Member, RATCH-Australia Gas (Finance) Pty Ltd
: Board of Directors Member, Companies in Nexif Energy Holding B.V Group listed in Netherlands
: Board of Directors Member, PT Medco Ratch Power Riau
2022 - Present : Chairman of the Board of Directors, RE Solar 1 Company Limited
: Board of Directors Member, Lao Cai Renewable Energy (Vietnam) Joint Stock
: Board of Directors Member, Viet Hydro Pte. Ltd.
: Board of Directors Member, RATCH-Australia Corporation Limited
: Board of Directors Member, Mount Emerald Wind Farm Pty Ltd
: Board of Directors Member, Hongsa Power Company Limited
: Board of Directors Member, Phu Fai Mining Company Limited
: Board of Directors Member, SouthEast Asia Energy Limited
: Board of Directors Member, Nam Ngum 2 Power Company Limited
2021 - Present : Board of Directors Member, Fareast Renewable Development Pte. Ltd.
: Board of Directors Member, PT Bajradaya Sentranusa
: Board of Directors Member, Xe-Pian Xe-Namnoy Power Company Limited
2020 - Present : Board of Directors, Ratchaburi Electricity Generating Company Limited
Mrs. Wadeerat Charoencoop
Mrs. Wadeerat Charoencoop
Chief Financial Officer
(Top Responsible Person in Accounting and Finance)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

51 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position
  • 1 January 2019
Education
  • Master of Business Administration, The University of Washington, United States of America
  • Bachelor of Business Administration (Finance) (2nd Class Honours), Chulalongkorn University
Important Trainings/Seminars
  • The Executive Program in Energy Literacy for a Sustainable Future, Class 21 (TEA21) (2025), Thailand Energy Academy
  • Capital Market Academy Executive Education, Batch 33 (CMA33) (2023), The Stock Exchange of Thailand
  • Director Diploma Examination (Exam 71/2019), Thai Institute of Directors Association
  • Director Certification Program (DCP 276/2019), Thai Institute of Directors Association
  • Corporate Governance for Executives (CGE SCCC/2015), Thai Institute of Directors Association
  • Senior Development Program, Duke C.E.
  • STARS Switzerland Symposium
  • Chief Financial Officer Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • TLCA Executive Development Program, Thai Listed Companies Association
  • Project Management Program, Davao
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2023 - 2025 : Chairman of the Board of Directors, RH International Corporation Limited
2022 - 2025 : Chairman of the Board of Directors, Ratchaburi Alliances Company Limited
: Board of Directors Member, Ratchaburi Power Company Limited
: Board of Directors Member, RH International (Mauritius) Corporation Limited
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
: Board of Directors Member, SouthEast Asia Energy Limited
: Board of Directors Member, Nam Ngum 2 Power Company Limited
2020 - 2024 : Board of Directors Member, An Binh Investment Group Joint Stock Company
2019 - 2022 : Board of Directors Member, RH International Corporation Limited
Current Positions
Other Listed Companies
2021 - Present : Board of Directors Member, Ratch Pathana Energy Public Company Limited
: Board of Directors Member, Bangkok Aviation Fuel Services Public Company Limited
Non-listed Organizations
2025 - Present : President Commissioner, PT Paiton Energy
: Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
2024 - Present : Board of Directors Member, Marulan Solar Farm Pty Ltd
2023 - Present : Board of Directors Member, RATCH-Australia Corporation Limited
: Board of Directors Member, RATCH-Australia Gas (Finance) Pty Ltd
2022 - Present : Board of Directors Member, Nexif Ratch Energy Investments Pte. Ltd.
: Board of Directors Member, Hongsa Power Company Limited
: Board of Directors Member, Phu Fai Mining Company Limited
2020 - Present : Board of Directors Member, An Binh Energy and Infrastructure Fund
Mr. Nawapol Disathien
Mr. Nawapol Disathien
Executive Vice President - Corporate Administration
Secretary to the Human Resources and Remuneration Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

55 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position
  • 1 January 2021
Education
  • Master of Law (International Legal Studies), Golden Gate University, California, United States of America
  • Bachelor of Laws, Thammasat University
Important Trainings/Seminars
  • ESG Leadership Program 2 (2024), Institute of Research and Development for Public Enterprises (IRDP)
  • Advanced Master of Management Program 9 (2023), National Institute of Development Administration
  • Director Certification Program (DCP 201/2015), Thai Institute of Directors Association
  • SEP Executive Program (2006), SASIN Graduate Institute of Business Administration, Chulalongkorn University
  • Leadership Succession Program (LSP-7), Institute of Research and Development for Public Enterprises
  • Certificate in Public Law, Faculty of Law, Thammasat University
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2021 - 2024 : Secretary to the Corporate Governance and Sustainability Committee, RATCH Group Public Company Limited/1
2011 - 2020 : Senior Vice President - Head of Legal Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, RATCH-Australia Corporation Limited
: Board of Directors Member, Northern Bangkok Monorail Company Limited
: Board of Directors Member, Eastern Bangkok Monorail Company Limited
2022 - Present : Board of Directors Member, RH International Corporation Limited
: Board of Directors Member, RH International (Mauritius) Corporation Limited
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
: Board of Directors Member, Hin Kong Power Holding Company Limited
: Board of Directors Member, Solar Power (Korat 3) Company Limited
: Board of Directors Member, Solar Power (Korat 4) Company Limited
: Board of Directors Member, Solar Power (Korat 7) Company Limited
2020 - Present : Board of Directors Member, Xe-Pian Xe-Namnoy Power Company Limited

Notes: /1 Retired from the position from 23 February 2023 onwards.

Mr. Chollawit Winitchai
Mr. Chollawit Winitchai
Executive Vice President - Power Business - Domestic and Neighboring Countries

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

47 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 August 2023

Education
  • Master of Science (Banking and Finance) (English Program), Chulalongkorn University
  • Master of Engineering (Electrical Engineering), Chulalongkorn University
  • Bachelor of Engineering (Electrical Engineering), King Mongkut's Institute of Technology Ladkrabang
Important Trainings/Seminars
  • Director Certification Program (DCP 311/2021), Thai Institute of Directors Association
  • Senior Professional Engineer Certificate - Electrical Engineering, Engineering Institute of Thailand (EIT)
  • Leadership Succession Program (LSP), Class 15, Institute of Research and Development for Public Enterprises (IRDP)
  • Leadership Principles, Harvard Business School Online
  • Strategic CFO in Capital Market, The Stock Exchange of Thailand
  • Certificate IV in Project Management, Institute of Management, Sydney, Commonwealth of Australia
  • Strategic Financial Leadership Program (SFLP), Thai Listed Companies Association
  • Human Capital Management (HCM), Class 1, Institute of Research and Development for Public Enterprises (IRDP)
  • Public-Private Partnerships for Executive Program (PEP), IRDP
  • Project Financing Conference 2017, Asia Business Connect
  • Risk and Asset Management of Electrical Equipment, IEEE Thailand
  • Essential Commercial Contracts for Non-Legal Managers, Asia Business Connect
  • Project Investment & Feasibility Studies, Asia Business Connect
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2022 - 2025 : Board of Directors Member and Managing Director, Sekong Investment Advisory Company Limited
2023 : Acting Executive Vice President - Power Business - Domestic and Neighboring Countries, RATCH Group Public Company Limited
2022 : Senior Vice President, RATCH Group Public Company Limited, seconded to be Managing Director, RATCH-Lao Services Company Limited, Managing Director, Fareast Renewable Development Pte. Ltd., Managing Director, Asia Water Company Limited and Managing Director, Sekong Investment Advisory Company Limited
2021 - 2023 : Managing Director, Asia Water Company Limited
2021 : Vice President, RATCH Group Public Company Limited, seconded to be Managing Director, RATCH-Lao Services Company Limited and Managing Director, Asia Water Company Limited
2019 - 2023 : Board of Directors Member, Asia Water Company Limited
2019 - 2022 : Board of Directors Member, RATCH-Australia Yandin Wind Farm (Holdings) Pty Ltd
: Board of Directors Member, RATCH-Australia Yandin Wind Farm Pty Ltd
: Board of Directors Member, Yandin Wind Farm Finance Pty Ltd
2018 - 2021 : Vice President - Head of International Investment Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
2022 - Present : Board of Directors Member, EDL-Generation Public Company
Non-listed Organizations
2025 - Present : Chairman of the Board of Directors, R E Green Energy Company Limited
: Chairman of the Board of Directors, Ratchaburi Energy Company Limited
2024 - Present : Commissioner, PT Paiton Energy
: Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
2023 - Present : Board of Directors Member and Managing Director, Xekong 4 Power Company Limited
: Board of Directors Member, Viet Hydro Pte. Ltd.
: Board of Directors Member, RATCH & AIDC Wind Farm Energy Pte. Ltd.
: President of Board of Commissioner, PT Tapanuli Hydro Energy
2022 - Present : Board of Directors Member, Malacca Eco Investment Holdings Pte. Ltd.
: Board of Directors Member, Hongsa Power Company Limited
: Board of Directors Member, Phu Fai Mining Company Limited
: Board of Directors Member, EDL-Generation Public Company
2021 - Present : Board of Directors Member, Siphandone-RATCH Lao Company Limited
: Board of Directors Member, Bangkok Chain International (Lao) Company Limited
: Board of Directors Member, Fareast Renewable Development Pte. Ltd.
2020 - Present : Board of Directors Member and Managing Director, RATCH-Lao Services Company Limited
2019 - Present : Chief Executive Officer, Fareast Renewable Development Pte. Ltd.
Mr. Thikhumporn Daorote
Mr. Thikhumporn Daorote
Executive Vice President - Power Business - International

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

52 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 January 2023

Education
  • Master of Science (Management Technology), Shinawatra University
  • Bachelor of Engineering (Electrical Engineering), King Mongkut’s Institute of Technology Ladkrabang
Important Trainings/Seminars
  • Director Certification Program (DCP 317/2022), Thai Institute of Directors Association
  • Project Management Course: The Complete Guide, Centre for Continuing Education, The University of Sydney
  • EGAT Get Ready Program III, EGAT
  • Mergers and Acquisitions 2014, Asia Business Connect
  • Thailand and the ASEAN Community in Global Political Economy, Class 10, King Prajadhipok's Institute
  • Management Skills Development Program for Young Leaders (EYP), Class 6, Fiscal Policy Research Institute Foundation (FPO)
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2024 - 2025 : Board of Directors Member, Marulan Solar Farm Pty Ltd
: Commissioner, PT Paiton Energy
: Commissioner, PT Paiton Operation and Maintenance Indonesia
: Alternate Director, IPM Asia Pte. Ltd.
: Alternate Director, IPM Operation & Maintenance Services Pte. Ltd.
: Board of Directors Member, Minejesa Capital B.V.
2023 - 2025 : Board of Directors Member, RATCH-Australia Gas (Finance) Pty Ltd
2017 - 2025 : Board of Directors Member, RATCH-Australia Corporation Pty Ltd
2022 - 2023 : Board of Directors Member, Nexif Energy Philippines Pte. Ltd.
: Board of Directors Member, Nexif Energy Song Giang Pte. Ltd.
: Board of Directors Member, Nexif Energy Vinh Hai (Singapore) Pte. Ltd.
: Board of Directors Member, Calabanga Holding Inc.
: Board of Directors Member, Song Giang Hydro Power Joint Stock Co.
: Board of Directors Member, Calabanga Renewable Energy (CARE), Inc.
: Board of Directors Member, Negros PH Solar Inc.
: Board of Directors Member, ACX3 Capital Holding Inc.
2022 : Executive Vice President - Power Business, RATCH Group Public Company Limited
: Acting Executive Vice President - Power Business, RATCH Group Public Company Limited
2020 - 2022 : Board of Directors Member, Ecowin Energy Corporation
: Board of Directors Member, RATCH Cogeneration Company Limited
: Board of Directors Member, RATCH-Australia Yandin Wind Farm (Holdings) Pty Ltd
: Board of Directors Member, RATCH-Australia Yandin Wind Farm Pty Ltd
2021 : Senior Vice President - Head of International Investment Division, RATCH Group Public Company Limited
: Senior Vice President - Head of International Investment Division, and seconded to be Managing Director, RATCH-Australia Corporation Pty Ltd
2020 : Vice President - Head of International Asset Management Division, and seconded to be Managing Director, RATCH-Australia Corporation Pty Ltd
Current Positions
Other Listed Companies
None
Non-listed Organizations
2023 - Present : Board of Directors Member, Nexif Ratch Energy Australia Pty Ltd
2022 - Present : Board of Directors Member, Malacca Eco Investment Holdings Pte. Ltd.
: Board of Directors Member, NXF Holdings 2 Limited
: Board of Directors Member, Nexif Ratch Energy SEA Pte. Ltd.
: Board of Direstors Member, Companies in RATCH-Australia South Australia (Holding) Pty Ltd
2017 - Present : Board of Directors Member, RATCH-Australia South Australia (Holding) Pty Ltd

Notes : EGAT stands for Electricity Generating Authority of Thailand

Mr. Udompong Chuntharumporn
Mr. Udompong Chuntharumporn
Executive Vice President - Power Project Development

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

50 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00043
  • Indirect: None
Starting Date of Position

1 April 2024

Education
  • Master of Engineering (Mechanical Engineering), Kasetsart University
  • Bachelor of Engineering (Mechanical Engineering) (2nd Class Honours), King Mongkut's University of Technology North Bangkok
Important Trainings/Seminars
  • Subsidiary Governance Program (SGP 4/2023), Thai Institute of Directors Association
  • Director Certification Program (DCP 314/2022), Thai Institute of Directors Association
  • Financial Accounting, Harvard Business School
  • Leadership Succession Program, Foundation of the Government Organization Research and Development Institute
  • Essential Commercial Contracts for Non-Legal Managers, Asia Business Connect
  • Enterprise Risk Management, Management & Psychology Institute (MPI)
  • Preliminary to Power Purchase Agreement Cross-border Hydropower Project, EGAT ACADEMY
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2019 - 2025 : Board of Directors Member, Asia Water Company Limited
2023 - 2024 : Acting Executive Vice President - Power Project Development, RATCH Group Public Company Limited
2020 - 2024 : Board of Directors Member, R E N Korat Energy Company Limited
2022 - 2023 : Board of Directors Member, Sahacogen Green Company Limited
: Board of Directors Member, Sahagreen Forest Company Limited
2021 - 2023 : Board of Directors Member and Managing Director, Sahacogen (Chonburi) Public Company Limited
2023 : Senior Vice President reporting to Chief Power Business Development Officer, RATCH Group Public Company Limited
: Vice President report to Chief Power Business Development Officer, RATCH Group Public Company Limited
: Vice President - Head of Power Business - Domestic and Neighboring Countries Department, RATCH Group Public Company Limited
2021 - 2022 : Vice President - Head of Domestic and Neighboring Countries Investment Division, RATCH Group Public Company Limited
2020 : Vice President - Head of Domestic and Neighboring Countries Investment Division, RATCH Group Public Company Limited and seconded to be Managing Director, RATCH-Lao Services Company Limited and Managing Director, Asia Water Company Limited
: Vice President reporting to Chief Business Development Officer, seconded to be Managing Director, RATCH-Lao Services Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Commissioner, PT Paiton Energy
: Commissioner, PT Paiton Operation and Maintenance Indonesia
: Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
: Board of Directors Member, Minejesa Capital B.V.
2024 - Present : Board of Directors Member, Xekong 4 Power Company Limited
2020 - Present : Board of Directors Member, Siphandone-RATCH Lao Company Limited
Mr. Suteep Thummarugee
Mr. Suteep Thummarugee
Executive Vice President - Asset Management

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

55 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 January 2020

Education
  • Master of Business Administration, National Institute of Development Administration
  • Bachelor of Engineering (Industrial Engineering), Prince of Songkla University
Important Trainings/Seminars
  • Thailand and the ASEAN Community in Global Political Economy, Class 7, King Prajadhipok's Institute
  • Young Executive Program in Energy Literacy for a Sustainable Future Program, Class 3, Thailand Energy Academy
  • Senior Executive Program (SEP), SASIN Graduate Institute of Business Administration, Chulalongkorn University
  • Certificate, The Leadership Grid and The Supervisory Grid Program
  • Executive Assistant Director Program (EADP), Class 10, EGAT
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2021 - 2025 : Managing Director, RE Solar 1 Company Limited
2019 - 2025 : Board of Directors Member, Nava Nakorn Electricity Generation Company Limited
2018 - 2025 : Board of Directors Member, RE Solar 1 Company Limited
2020 - 2024 : Board of Directors Member, An Binh Investment Group Joint Stock Company
2021 : Chairman of the Board of Directors, Solarta Company Limited
2020 - 2022 : Board of Directors Member, RATCH China Power Limited
2020 - 2021 : Chairman of the Board of Directors, Songkhla Biomass Company Limited
: Chairman of the Board of Directors, Songkhla Biofuel Company Limited
: Board of Directors Member, RATCH Cogeneration Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2024 - Present : Chairman of the Board of Directors, An Binh Investment Group Joint Stock Company
: Board of Directors Member, Hin Kong Power Company Limited
2023 - Present : Chairman of the Board of Directors, Ratchaburi World Cogeneration Company Limited
: Chairman of the Board of Directors, RATCH Energy Rayong Company Limited
2022 - Present : Board of Directors Member, RATCH Cogeneration Company Limited
: Board of Directors Member, Songkhla Biomass Company Limited
: Board of Directors Member, Songkhla Biofuel Company Limited
2020 - Present : Board of Directors Member, Berkprai Cogeneration Company Limited

Notes : EGAT stands for Electricity Generating Authority of Thailand

Mr. Jittasak Soonthornpan
Mr. Jittasak Soonthornpan
Executive Vice President - Finance

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

46 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date

16 May 2025

Education
  • Master of Science in Financial Analysis and Fund Management (with Merit), University of Exeter
  • Master of Arts in International Economics and Finance (International program) Chulalongkorn University
  • Bachelor of Business Administration (Finance), Thammasat University
Important Trainings/Seminars
  • Executive Development Program, Class 23 (2023), Thai Listed Companies Association
  • Director Certification Program (DCP 329/2022), Thai Institute of Directors Association
  • Chief Financial Officer Certification Program, Class 23 (2021), Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • The Leadership Course for Graduate Scheme Staff (2007), Royal Dutch Shell, Shell Life, Singapore
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2008 - 2025 : Vice President, Finance and Accounting, PTT Global Chemical Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
None

Miss Anongnuch Tangthanawatskul
Miss Anongnuch Tangthanawatskul
Vice President - Head of General Accounting Department (Chief Accountant)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

39 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position
  • 16 August 2023
Education
  • Bachelor of Business Administration (Accounting), Assumption University
Important Trainings/Seminars
  • Professional Accountant Certificate (PAC 2/67), Federation of Accounting Frofessions Under The Royal Patronage of His Majesty The King
  • Overview of Financial Reporting Standards, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Code of Ethics for Professional Accountants, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Root Cause Analysis for Effective Communication of Audit Findings, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Value and resilience through risk management, The Stock Exchange of Thailand
  • IFRS/TFRS Intermediate Periodic Update, KPMG Phoomchai Audit Ltd.
  • ACE Leadership Program, KPMG ASPAC Professional Development 2017
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2022 - 2023 : Controller, SOX, International Accounting GAAP&Projects, APAC, Atotech (Thailand) Co., Ltd.
2019 - 2022 : Associate Director, KPMG Phoomchai Audit Ltd.
Current Positions
Other Listed Companies
None
Non-listed Organizations
None
Miss Puthachard Smitamegha
Miss Puthachard Smitamegha
Senior Vice President - Head of Tax Management and General Ledger Department

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

51 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00014
  • Indirect: None
Starting Date of Position

1 March 2025

Education
  • Master of Business Administration (Accounting), University of the Thai Chamber of Commerce
  • Bachelor of Accountancy (Financial Accounting), University of the Thai Chamber of Commerce
Important Trainings/Seminars
  • Graduate Diploma in Taxation, The University of the Thai Chamber of Commerce
  • CFO in Practice Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Mini MBA, Thammasat University
  • Thai Accounting Standards for Public Company, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Economic Value Added, Faculty of Commerce and Accountancy, Chulalongkorn University
  • International Trade Tax, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Awareness on Energy Conservation, The Federation of Thai Industries
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2024 - 2025 : Managing Director, Ratchaburi Energy Company Limited
2020 - 2025 : Vice President - Head of Tax Management and General Ledger Department, RATCH Group Public Company Limited
2020 : Senior Manager - Head of Tax Management Department, acting Vice President - Head of Tax Management and General Ledger Division, RATCH Group Public Company Limited
2016 - 2020 : Senior Manager - Head of Tax Management Department, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member and Managing Director, RH International Corporation Limited
: Board of Directors Member, RH International (Mauritius) Corporation Limited
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
2024 - Present : Board of Directors Member, Ratchaburi Energy Company Limited
Miss Saowanee Deetayat
Miss Saowanee Deetayat
Senior Vice President - Head of Accounting Control and Analysis Department

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

46 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 March 2025

Education
  • Bachelor of Business Administration (Accounting), Kasetsart University
Important Trainings/Seminars
  • Chief Financial Officer Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Finance For Growth
  • Accounting, Hedging Tools, NYC Management Co., Ltd.
  • Change, Disruption and Growth, Miss Consult Co., Ltd.
  • Leadership Awareness, Miss Consult Co., Ltd.
  • Criminal Liabilities and Exposure - What Directors and Management Need to Know, Baker & McKenzie
  • Risk and Liabilities of Executives and Directors, Baker & McKenzie
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2023 - 2025 : Vice President - Head of Accounting Control and Analysis Department, RATCH Group Public Company Limited
2021 - 2023 : Manager - General Accounting Division, RATCH Group Public Company Limited
2020 - 2021 : Business Analyst Department Manager, Thai Union Group Public Company Limited
2015 - 2020 : Financial Controller, Siam City Cement Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, Nava Nakorn Electricity Generating Company Limited
: Board of Directors Member, SouthEast Asia Energy Limited
: Board of Directors Member, Nam Ngum 2 Power Company Limited
Yeamyut Sangkittipaiboon, Ph.D.
Yeamyut Sangkittipaiboon, Ph.D.
Senior Vice President - Head of Financial Planning and Management Department

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

43 years

The Company’s Securities Holding Proportion (%)
  • Direct : 0.00023
  • Indirect : 0.00011
Starting Date of Position

1 March 2025

Education
  • Doctor of Public Administration (Public and Private Management), National Institute of Development Administration
  • Master of Business Administration (Business Administration), University of the Thai Chamber of Commerce
  • Bachelor of Accountancy (Management), University of the Thai Chamber of Commerce
Important Trainings/Seminars
  • Investment Guidelines for Power Plant Projects in Foreign Countries, EGAT
  • Financial Model, Phatra Securities Public Company Limited
  • Techniques for Creating Accounting Information Systems and Financial Management Systems in the Transformation era, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • New Paradigm of ESI in Thailand, Electricity Industry Association of Thailand (TESIA)
  • Business Combinations and Advanced Consolidation Operations, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2023 - 2025 : Vice President - Head of Financial Planning and Management Department, RATCH Group Public Company Limited
2022 - 2023 : Manager - Head of Project Finance Division, Financial Planning and Management Department, RATCH Group Public Company Limited
2021 - 2022 : Manager - Financial Planning and Management Division, RATCH Group Public Company Limited
2021 : Manager reporting to Chief Business Development Officer, RATCH Group Public Company Limited
2020 - 2021 : Manager - Head of Project Finance Department, Financial Planning and Management Division, RATCH Group Public Company Limited
2017 - 2019 : Manager - Project Finance Department, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, R E Green Energy Company Limited
2023 - Present : Board of Directors Member, Smart Infranet Company Limited

Notes : EGAT stands for Electricity Generating Authority of Thailand

Miss Kamolkarn Hinviman
Miss Kamolkarn Hinviman
Senior Vice President - Head of Internal Audit Department (Head of Internal Audit)
Secretary to the Audit Committee
Age

54 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 March 2025

Education
  • Master of Accountancy, Chulalongkorn University
  • Bachelor of Accountancy, Chulalongkorn University
Important Trainings/Seminars
  • Smart KPIS for Internal Audit Professional, The Institute of Internal Auditors of Thailand
  • Enterprise Risk Management, The Stock Exchange of Thailand
  • Tax Controller for Finance & Accounting Executive, School of Tax
  • Fraud Audit, The Institute of Internal Auditors of Thailand
  • Risk Based Audit, The Institute of Internal Auditors of Thailand
  • Anti-Corruption: The Practical Guide, Thai Institute of Directors Association
  • Analytical Thinking in the Internal Audit Process, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • COSO, the Newest Internal Audit Framework, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Consulting for Internal Auditor, The Institute of Internal Auditors of Thailand
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2020 - 2025 : Vice President - Head of Internal Audit Department, RATCH Group Public Company Limited
2018 - 2019 : Senior Assistance Vice President, Internal Audit Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
None
Miss Wanphen Chamkham
Miss Wanphen Chamkham
Senior Vice President - Head of Company Secretary Office and seconded to be Company Secretary
Age

57 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 March 2025

Education
  • Master of Business Administration, Kasetsart University
  • Graduate Diploma Program in English for Careers, Thammasat University
  • Bachelor of Business Administration (General Management), Sukhothai Thammathirat Open University
Important Trainings/Seminars
  • Roles and Responsibilities of Company Secretary (2024), Thai Listed Companies Association
  • Seminar Cyber Vision 2023: Protect and Detect Don’t Let Your Guard Down, The Stock Exchange of Thailand
  • Roles and Responsibilities of Directors and Executives of Listed Company (2023), The Securities and Exchange Commission
  • Preparation of Conflict of Interest Report and Use of Insider Information Policy (2023), Thai Listed Companies Association
  • Board Nomination (2022), Thai Listed Companies Association
  • Guideline for Preparation of Stakeholder Report and Knowledge about Insider Information Policy (2021), Thai Listed Companies Association
  • Refreshment Training Program (RFP 4/2021), Thai Institute of Directors Association
  • COSO ERM 2017 (2020), Thai Listed Companies Association
  • Risk Management on COVID-19 Situation Program (2020), Thai Listed Companies Association
  • Effective Minutes Taking (EMT 43/2019), Thai Institute of Directors Association
  • Advances for Corporate Secretaries (Class 1/2017), Thai Listed Companies Association
  • Company Secretary Program (CSP 67/2015), Thai Institute of Directors Association
  • Company Reporting Program (CRP 13/2015), Thai Institute of Directors Association
Work Experiences in the Previous 5 Years (Year 2020 - 2025)
2020 - 2025 : Vice President - Head of Company Secretary Office and seconded to be Company Secretary, RATCH Group Public Company Limited
2020 : Vice President - Head of Company Secretary Office, acting Manager - Head of Compliance Department and second to be Company Secretary, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2024 - Present : Member of the Board Directors, Great Grocery Company Limited and Great Cafe Company Limited
2023 - Present : Member of the Board Directors, Great Petroleum Company Limited