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Board of Directors

Name - Surname Mr. Hironobu Iriya
Current Position Chairman of the Board of Directors, President & CEO (Authorized to Bind the Company)
Education Bachelor’s Degree Faculty of Engineering (Civil Engineering)
Waseda University, Japan
Director Training
20 August 2008 Director Accreditation Program (DAP)
by Thai Institute of Directors Association (IOD)
Working Experience
27 September 2018 - Present Chairman & Director, TTCL Power Myanmar Company Limited
18 May 2018 - Present Director, TTCL LNG Power Pte. Ltd.
2015 - Present Chairman of the Board of Directors, TTCL Myanmar Engineering & Construction Co., Ltd.
2014 - Present Chairman of the Board of Directors, TTCL New Energy Pte. Ltd.
2013 - Present Chairman of the Board of Directors, TTCL Solar Power Pte. Ltd.
Chairman of the Board of Directors, TTCL Coal Power Pte. Ltd.
Chairman of the Board of Directors, TTCL Power Holdings Pte. Ltd.
2012 - Present Chairman of the Board of Directors, Toyo Thai Power Myanmar Co., Ltd.
Chairman of the Board of Directors, TTCL Gas Power Pte. Ltd.
Chairman of the Board of Directors, ToyoThai-Myanmar Corporation Co., Ltd.
2011 - Present Chairman of the Board of Directors and Managing Director
TTCL Malaysia Sdn. Bhd.
2009 - Present Chairman of the Board of Directors and President
Global New Energy Co., Ltd.
2008 - Present Chairman of the Board of Directors and President & CEO
TTCL Public Company Limited
2007 - Present Chairman of the Board of Directors and Managing Director, Global Business Management Company Limited
2006 - Present Chairman of the Board of Directors, Bio Natural Energy Co., Ltd.
Chairman of the Board of Directors, TTCL Vietnam Corporation Limited
1997 - 2005 Director, TTCL Vietnam Corporation Limited
No. of Shareholding in TTCL
(as of 31st December 2018)
34,161,134 shares equivalent to 5.55% of total shares
Name - Surname Dr. Seiichi Itakura
Current Position Director (Authorized to Bind the Company)
Education Ph.D. of Environment and Energy Engineering, Waseda University
Master of Electrical Engineering, Waseda University
Bachelor of Electrical Engineering, Waseda University
Working Experience
March 2018 - Present Director TTCL Public Company Limited
2015 - Present Consultant the technical study & investigation of Large Solar Power System & International Transmission Line (Super Grid) Softbank Group
2014 - Present Chief Technical Advisor Environment and Energy Technology Research Institute, Inc.
2014 - 2017 Consultant the Quality Management of Refinery and Petrochemical Integrated Development (RAPID) Steam Cracker Complex Malaysian Project Toyo Engineering Corp.
2014 - 2016 Consultant the technical study & investigation of Large Solar Power Station Japan Toyo Engineering Corp.
2011 - Present Invited Researcher Waseda University Graduate School of Environment and Energy Engineering Environmental Research Institute
2009 - 2014 Executive Officer (General Manager of Safety, Quality and Environment Management Unit, and General Manager of Audit Unit) Toyo Engineering Corp.
No. of Shareholding in TTCL 110,000 Shares equivalent to 0.02% of total shares
Name - Surname Mrs. Nijaporn Charanachitta
Current Position Director (Authorized to Bind the Company)
Education Master’s Degree Faculty of Business Administration (Finance), University of Wisconsin, U.S.A.
Bachelor’s Degree Faculty of Arts, Chulalongkorn University
Director Training
2 - 22 March 2005 Director Certification Program (DCP)
by Thai Institute of Directors Association (IOD)
Working Experience
2007 - Present Director TTCL Public Company Limited
2007 - Present Chairman of the Board of Directors OHTL Public Company Limited
2007 - Present Chairman of the Board of Directors Amari Company Limited
2007 - Present Chairman of the Board of Directors Amari Hotel and Resort Co., Ltd.
2007 - Present Director, Nomination and Remuneration Committee Charoong Thai Wire & Cable Public Company Limited
1994 - Present Director, Senior Executive Vice President Italian-Thai Development Public Company Limited
1983 - 1994 Vice President Italian-Thai Development Public Company Limited
1979 - 1983 Manager of Finance Italian-Thai Development Public Company Limited
No. of Shareholding in TTCL
(as of 31st December 2018)
5,297,207 shares equivalent to 0.86% of total shares
Name - Surname Mr. Tiwa Jaruke
Current Position Vice Chairman of the Board of Directors (Authorized to Bind the Company), Senior Vice President Project, Proposal & Engineering, Nomination and Remuneration Committee, Corporate Governance Committee
Education Bachelor’s Degree Faculty of Engineering (Civil Engineering), Chiang Mai University
Director Training
20 June 2016 Ethical Leadership Program (ELP)
15 - 16 March 2016 Financial Statements for Directors (FSD)
22 February 2008 Director Accreditation Program (DAP)
24 July 2007 Finance for Non-Finance Director (FND)
10 July 2007 Understanding the Fundamental of Financial Statements (UFS)
by Thai Institute of Directors Association (IOD)
Working Experience
October 2018 - Present Vice Chairman of the Board of Directors, TTCL Public Company Limited
2014 - Present Corporate Governance Committee, TTCL Public Company Limited
2013 - Present Director, TTCL Power Holdings Pte. Ltd.
2013 Director, Senior Vice President Project & Proposal, Petrochemical & Refinery Unit and Task Force TTCL Public Company Limited
2011 - Present Director, Deputy Managing Director, TTCL Malaysia Sdn. Bhd.
Senior Vice President Project, Proposal& Engineering Division,
TTCL Public Company Limited
2010 - Present Nomination and Remuneration Committee TTCL Public Company Limited
2009 - Present Director, Global New Energy Company Limited
Director and Managing Director, Bio Natural Energy Company Limited
2009 - 2010 Senior Vice President, Proposal, Engineering and General Admin.,
TTCL Public Company Limited
2008 - September 2018 Director, TTCL Public Company Limited.
2006 - Present Director, TTCL Vietnam Corporation Limited
No. of Shareholding in TTCL
(as of 31st December 2018)
6,924,300 shares equivalent to 1.12% of total shares
Name - Surname Pol. Lt. Sivaraks Phinicharomna
Current Position Independent Director & Chairman of Audit Committee
Education Master’s Degree in Public Administration Minnesota State University, U.S.A.
Certificate of Accountancy, University of California Los Angeles, U.S.A.
California Certified Public Accountant (CPA)
California Board of Accountancy, U.S.A.
Enrolled Agent (EA), Internal Revenue Service, U.S.A.
Certified Internal Auditor (CIA), Institution of Internal Auditors
Certified Fraud Examiner (CFE), Association of Certified Fraud Examiners
IOD Chartered Director Thai Institute of Directors Association
Director Training
10 - 11 June 2015 Chartered Director Class (CDC)
24 - 25 April 2014 How to Measure the Success of Corporate Strategy (HMS)
3 - 4 March 2014 Successful Formulation and Execution of Strategy (SFE)
14 - 15 October 2009 Role of the Chairman Program (RCP)
14 - 15 February 2007 Audit Committee Program (ACP)
21 May - 18 June 2004 Director Certificate Program (DCP)
17 May 2004 Directors Accreditation Program (DAP)
by Thai Institute of Directors Association (IOD)
Working Experience
2019 - Present Audit Committee, EfinX Co., Ltd.
2010 - Present Independent Director, Audit Committee Ini3 Digital Plc.
2009 - Present Independent Director, Chairman of Audit Committee UA Withya Public Company Limited
2008 - Present Independent Director, Chairman of Audit Committee
TTCL Public Company Limited
Previous Working Experience
2013 - 2018 Independent Director, Chairman of Audit Committee SRK Multimedia, Plc.
2003 - 2005 Independent Director, Audit Committee PRINSIRI Plc.
2002 - 2014 Vice President – Internal Auditing THAICOM Plc.
1999 - 2001 Deputy Chief Financial Officers, DIGITAL PHONE Co., Ltd.
1996 - 1999 Assistant Vice President-Finance & Accounting SHINAWATRA INTERNATIONAL, Plc.
1994 - 1996 Vice President of Internal Auditing and System Development, STA, Plc.
1985 - 1994 Assistant Financial Controller, LOS ANGELES BORG Region, BORG WERNER Inc., New Jersey, U.S.A.
1975 - 1980 Deputy Inspector, Central Investigation Department, Royal Thai Police, Ministry of Interior.
Specialization Accounting & Finance, Auditing
Risk Management, Internal Auditing Fraud Examination
Consultant of Accounting System Committee and regular speaker of Federation of Accounting Profession of Thailand
Regular speaker of the Institute of Internal Auditors Thailand
Visiting Professors in THAMMASAT University, University of the Thai Chamber of Commerce, and in various universities
No. of Shareholding in TTCL
(as of 31st December 2018)
104,670 shares equivalent to 0.02% of total shares
Name - Surname Mr. Gumthorn Utarnwuthipong
Current Position Independent Director, Audit Committee, Nomination and Remuneration Committee,
Chairman of Risk Management Committee, Chairman of Corporate Governance Committee
Education Master’s Degree Faculty of Engineering (Plant Engineering)
Darmstadt Institute for Hesse, Germany
Bachelor’s Degree Faculty of Science (Chemical Engineering) Chulalongkorn University
Professional Training Certificate in Fertilizer Production from USA
Certificate in Fertilizer Production from USSR (UNIDO scholarship)
Certificate in Fertilizer Production from China
Certificate in Business Public Relations (Executive) from Thailand Public Relations Institute
Certificate in Agro-Economy (1st and 2nd workshop)
Director Training
16 - 17 October 2018 IT Governance and Cyber Resilience (ITG 9/2018)
6 - 7 June 2017 Board Matters and Trends (BMT 3/2017)
2,9,16,23 November 2016 Advanced Audit Committee Program (AACP)
20 June 2016 Ethical Leadership Program (ELP)
27 - 28 April 2016 Driving Company Success with IT Governance (ITG)
8 - 9 March 2016 Boards that Make a Difference (BMD)
27 November 2015 Ethical Leadership Program (ELP)
17,24 September 2015 Risk Management Program for Corporate Leaders (RCL)
17-18 March 2015 Director Certification Program Update (DCPU)
29 October 2014 Anti-Corruption for Executive Program (ACEP)
13 January - 10 March 2014 Directors Certification Program (DCP)
13 - 14 June 2013 Role of the Compensation Committee (RCC)
25 June 2009 Monitoring of the Quality of Financial Reporting (MFR)
21 November 2008 Monitoring the Internal Audit Function (MIA)
27 October 2008 Monitoring the System of Internal Control and Risk Management (MIR)
26 September 2008 Director Accreditation Program (DAP)
21 - 22 August 2008 Audit Committee Program (ACP)
by Thai Institute of Directors Association (IOD)
Working Experience
2010 - Present Nomination and Remuneration Committee
Chairman of Risk Management Committee
Chairman of Corporate Governance Committee
TTCL Public Company Limited
2008 - Present Independent Director, Audit Committee TTCL Public Company Limited
Previous Working Experience
1964 - 1973 Chemical Fertilizer Company (State Enterprise)
- Plant Manager of Sulfuric Acid Plant
- Plant Manager of Ammonium Sulfate Plant
- Plant Manager of Liquid Ammonia Synthesis Plant
- Plant Manager of Air Separation Plant
- Secretary of Board of Director
1974 - 2005 Thai Central Chemical PLC.
- Project leader and Coordinator between the Thai Government and Central
   Glass of Japan on the Construction of the first factory of TCCC
- Senior Vice President in Production
- Member of Board of Director and Board of Executive Director
No. of Shareholding in TTCL
(as of 31st December 2018)
114,700 shares equivalent to 0.02% of total shares
Name - Surname Dr. Ryuzo Nagaoka
Current Position Independent Director, Audit Committee, Chairman of Nomination and Remuneration Committee
Education Doctorate’s Degree Faculty of Engineering (Civil Engineering), University of Tokyo, Japan
Master’s Degree Faculty of Engineering (Mechanical Engineering), University of Wisconsin, U.S.A.
Bachelor’s Degree Faculty of Engineering (Mechanical Engineering), Keio University, Japan
Director Training
5 - 6 July 2016 Boards that Make a Difference (BMD)
1 - 7 November 2015 Director Certification Program (DCP)
20 August 2008 Director Accreditation Program (DAP)
by Thai Institute of Directors Association (IOD)
Working Experience
2010 - Present Chairman of Nomination and Remuneration Committee TTCL Public Company Limited
2008 - Present Independent Director, Audit Committee TTCL Public Company Limited
2004 - Present Managing Director Nagaoka & Associates Inc.
No. of Shareholding in TTCL 100,000 shares equivalent to 0.02% of total shares
Name - Surname Ms. Kantika Tanthuvanit
Current Position Director (Authorized to Bind the Company), Senior Vice President General Administration & Finance,
Corporate Governance Committee, Company Secretary
Education Bachelor’s Degree Faculty of Business Administration, Chiang Mai University
Postgraduate Faculty of Business Administration Center for Marketing and Management Studies London, United Kingdom
Director Training
20 June 2016 Ethical Leadership Program (ELP)
16 - 17 June 2016 Company Secretary Program (CSP)
15 - 16 March 2016 Financial Statements for Directors (FSD)
4 - 5 September 2008 Effective Minute Taking (EMT)
7 - 8 August 2008 Company Secretary Program (CSP)
22 February 2008 Director Accreditation Program (DAP)
24 July 2007 Finance for Non-Finance Director (FND)
10 July 2007 Understanding the Fundamental of Financial Statement (UFS)
by Thai Institute of Directors Association (IOD)
Working Experience
July 2018 - Present Senior Vice President General Administration & Finance
TTCL Public Company Limited
2016 - Present Director, TTCL Public Company Ltd.
2014 - Present Director, TTCL New Energy Pte. Limited
Corporate Governance Committee, TTCL Public Company Limited
2014 - June 2018 Senior Vice President General Administration, TTCL Public Company Limited
2013 - Present Director, TTCL Power Holdings Pte. Ltd.
2011 - Present Director and General Manager Administration Division
TTCL Malaysia Sdn. Bhd.
2011 - 2013 Senior Vice President, General Administration & Finance
TTCL Public Company Limited
2008 - Present Company Secretary, TTCL Public Company Limited
2007 - Present Director, Global Business Management Company Limited
1997 - Present Director, TTCL Vietnam Corporation Limited
No. of Shareholding in TTCL
(as of 31st December 2018)
9,458,041 shares equivalent to 1.54% of total shares
Name - Surname Mr. Hiroshi Nakata
Current Position Director (Authorized to Bind the Company)
Education Bachelor of Civil Engineering, Hokkaido University
Working Experience
March 2019 – Present Director, TTCL Public Company Limited
November 2018 – Present Deputy Chief Operation Officer (COO) , Machinery & Medical Infrastructure Division, Sojitz Corporation
October 2014 – October 2018 General Manager, Machinery Department 2 & 3 Sojitz Europe plc.
April 2010 – September 2014 Manager, Business Development Section, New Energy & Environmental Business Department, Sojitz Corporation
Jan. 2007 – March 2010 Deputy General Manager, Project Development Department LNG Japan Corporation
April 2004 - December 2006 General Manager, Sojitz Corp.(Iran) Ltd.
March 2000 – March 2004 Managing Director, Nissho Iwai Corp. (Iran) Ltd.
April 1988 Joined Nissho Iwai Corporation
No. of Shareholding in TTCL NONE