Committees >
Executive Committee

Mr. Shigeki Yamada
Chairman of the Executive Committee

Mr. Shigeki Yamada
Position		President/ Executive Director / Authorized Director / Chairman of Executive Committee/ Vice-Chairman of Risk Management Committee
Age		60 years
Appointment Year		2021
Shareholding Proportion		None
Highest Education Bachelor of Law, major of Law, Meijo University, Japan
Training -
Past 5-year Working Experience
October 2021 – Present	- President, Inoue Rubber (Thailand) PCL.
	- Chairman of Executive Committee, Inoue Rubber (Thailand) PCL.
	- Vice Chairman of Risk Management Committee, Inoue Rubber (Thailand) PCL.
March 2021 – October 2021	General Manager, Overseas Business Division, Inoac Corporation Head office, Aichi, Japan
2019 – March 2021	- Managing Director, Inoac Vietnam Co., Ltd.
2018 – 2019
	- Deputy General Manager, Sales Section, Automotive Division, Inoac Corporation Hamamatsu Branch, Japan
2016 – 2018	- Managing Director, Automotive department for Inoac group company in North America, Inoac USA

Mrs. Pimjai Leeissaranukul
Vice Chairman of Executive Committee

Mrs. Pimjai Leeissaranukul
Position		Executive Chairman/ Executive Director/ Authorized Director/ Vice Chairman of the Executive Committee
Age		61 years
Appointment Year		1994
Shareholding Proportion		2.78%
Highest Education Master’s Degree in Business Administration, Drexel University, Philadelphia, USA
Training Thai Institute of Directors Association (IOD): Director Certification Program (DCP) Class 37/2003 Role of the Chairman Program (RCP) Class 31/2013 Risk Management Committee Program (RMP) Class 1/2013
Past 5-year Working Experience
2007 – Present	- Chairman, Executive Chairman and Vice-Chairman of the Executive Committee of Inoue Rubber (Thailand) PCL.
2013 – Present	- Honorary Chairman, Inoac Tokai (Thailand) Co., Ltd.
2020 – Present	- Member of the Board of Regional Center for Manufacturing System Engineering (RCMSE), Faculty of Engineering, Chulalongkorn University
	- Member of the Board of government procurement and supplies management sector, the Comptroller General’s Department
2018 – Present	- Vice President of the Federation of Thai Industries
2017 – Present	- The Board Member of ASEAN Woman Entrepreneur Network (AWEN)
2016 – Present	- Member of the Board, Association of Capital Market Academy (ACMA)
2014 – Present	- Consultants of the Board of Thai Women Engineers, The Engineering Institute of Thailand
2010 – Present	- Global Advisory Board Members, Babson College, MA, USA
2008 – Present	- Member of Young Thai Entrepreneur Association (YTEA)
2006 – Present	- Director, Daido Sittipol Co., Ltd.
2001 – Present	- Director, Kinno Hoshi Engineering Co., Ltd.
1995 – Present	- Director, Sungold Holding Co., Ltd.
	- Director, IRC (Asia) Research Co., Ltd.
	- President, Thai Inoac Components Co., Ltd.
1993 – Present	- Director, Sopa-Kanok Internatioal Co., Ltd.
1983 – Present	- Director, Thai Stanley Electric PCL.
2020 - 2022	- Chairman of Industrial Standard Committee (ISC) of the Federation of Thai Industries
2019 – 2022	- Independent director of Mass Rapid Transit Authority of Thailand (MRTA)
2003 – 2022	- Director of Wangchula Co., Ltd
2018 – 2020	- Chairman of Industrial Excellence Center (IEC) of the Federation of Thai Industries
	- Director of Thailand National Defense College (NDC) 2013 – Fund raising, Joint Stage Private Sector Regular Course 26
2016 – 2018	- Vice Chairman of Thailand Forest Certification Council (TFCC), the Federation of Thai Industries
	- Director and Deputy Secretary General of the Federation of Thai Industries
2015 – 2018	- Director and Deputy Secretary General of Public Relations, the Federation of Thai Industries
2013 – 2018	- Director of Student Council, Thailand National Defense College (NDC) – The Joint Stage Private Sector Regular Course 26

*Data as at 30 September 2022

Mr. Takeshi Arakawa
Executive Committee Member

Mr. Takeshi Arakawa
Position	Managing Director / Member of Executive Committee
Age	61 years
Appointment Year	2018
Shareholding Proportion	None
Highest Education Bachelor's degree in Mechanical Engineering , Nihon University, Japan
Training Thai Institute of Directors Association (IOD): Director Accreditation Program 65/2007
Past 5-year Working Experience
2018 – Present	- Member of Executive Comittee/ Managing Director, Inoue Rubber (Thailand) PCL.
	- Director and Executive Director, IRC (Asia) Research Co., Ltd
2012 – 2018	- Director, BIMC Co., Ltd.
2011 – 2012	- General Manager, Inoue Rubber Co., Ltd. (Japan)
2009 – 2011	- Managing Director, Inoue Rubber (Thailand) PCL.
2006 – 2009	- Executive Director, Inoue Rubber (Thailand) PCL.
2004 – 2005	- General Manager Production Division, Bridgestone IRC Manufacturing Co., Ltd
2000 – 2004	- Engineering Manager, Bridgestone IRC Manufacturing Co., Ltd

Ms. Witchuda Kupongsak
Executive Committee Member

Ms. Witchuda Kupongsak
Position		Executive Director of Administrative and Control Unit/ ember of Executive Committee
Age		56 years
Appointment Year		2013
Shareholding Proportion		0.024 %
Highest Education Master of Business Administration, Thammasat University
Training Thai Institute of Directors Association (IOD): Director Accreditation Program Class 117/2015 Ethical Leadership Program Class 2/2015 Successful Formulation & Execution of Strategy Class 28/2013 Other Training: CEDI - Babson Entrepreneurial Leadership Program Babson College
Past Working Experience
2015 – Present	- Executive Director, Administrative & Control Unit, Inoue Rubber (Thailand) PCL.
2016 – Present	- Director, Thai Inoac Component Co., Ltd.
2013 – Present	- Member of Executive Committee, Inoue Rubber (Thailand) PCL.
2001 – Present	- Director, Kinno Hoshi Engineering Co.,Ltd.
1998 – Present	- Director, Inoue Rubber (Vietnam) Co., Ltd.
2010 – 2015	- Deputy Executive Director of Administrative & Control Unit, Inoue Rubber (Thailand) PCL.

Mr. Akira Tokoro
Executive Director of Tire and Tube Business Unit

Mr. Akira Tokoro
Position		Executive Director of Motorcycle Tire & Tube Business Unit
Age		57 years
Appointment Year		2022
Shareholding Proportion		None
Highest Education Bachelor of Engineering, Nagoya Institute of Technology, Japan
Training -
Past Working Experience
2022 – Present	- Executive Director of Motorcycle Tire & Tube Business Unit, Inoue Rubber (Thailand) PCL.
2016 – 2022	- Global Tech & QA Department Manager of Inoue Rubber Co., Ltd. (Japan)

Mr. Tatsuo Kubota
Executive Director of IED Business Unit

Mr. Tatsuo Kubota
Position		Executive Director of IED Business Unit
Age		58 years
Appointment Year		2022
Shareholding Proportion		None
Highest Education Bachelor of Engineering, Meijo University, Japan
Training -
Past Working Experience
2022 – Present	- Executive Director of IED Business Unit of Inoue Rubber (Thailand) PCL.
2022 – Present	- Executive Director of IRC (Asia) Research Limited
2020- 2022	- Manager of Elastomer Engineering Division of Inoac Corporation Co., Ltd.
2016-2020	- Manager of Automotive Design and Engineering Division of Inoac Corporation Co., Ltd.

Mr. Suchart Kootiratrakarn
Executive Committee Member

Mr.Suchart Kootiratrakarn
Position		Deputy Executive Director of Tire&Tube Business Unit / Member of Executive Committee / Member of Risk Management Committee
Age		51 years
Appointment Year		2013
Shareholding Proportion		0.003%
Highest Education Master of Business Economics, National Institute of Development Administration (NIDA)
Training Thai Institute of Directors Association (IOD): Director Accreditation Program Class 159/2019 How to Develop a Risk Management Plan Class 8/2015 Financial Statements for Directors Class 18/2012 Risk Management Committee Program Class 5/2014 Other Training: Babson Entrepreneurial Leadership Program Babson College (CEDI)

Past Working Experience
2015 – Present	- Deputy Executive Director of Tire-Tube Business Unit, Member of Executive Committtee and Risk Management Committee, Inoue Rubber (Thailand) PLC.
	- Deputy Executive Director of IRC (Asia) Research Co., Ltd.
2013 – Present	- Executive Committee of Inoue Rubber (Thailand) PCL.

Mr. Narongchai Rattanaekkawin
Executive Committee Member

Mr. Narongchai Rattanaekkawin
Position		Deputy Executive Director of IED Business Unit/ Member of Executive Committee/ Member of Risk Management Committee
Age		50 years
Appointment Year		2014
Shareholding Proportion		0.005 %
Highest Education Master of Science in Computer and Engineering Management (MS(CEM), Assumption University
Training Thai Institute of Directors Association (IOD): Director Accreditation Program Class 159/2019 Successful Formulation & Execution of Strategy Class 28/2016 How to Develop a Risk Management Plan Class 8/2015 Financial Statements for Directors Class 18/2012 Risk Management Committee Program Class 5/2014 Other Training: Babson Entrepreneurial Leadership Program Babson College (CEDI) Thai Railway Engineer Program, NSTDA ISO9001:2000 Internal Auditing, Robere & Associates ISO/TS16949:2002 Internal Auditing, Robere & Associates ISO14001 Internal Auditing, Robere & Associates

Past Working Experience
2016 – Present	- Director, Kinno Hoshi Engineering Co., Ltd.
2015 – Present	- Deputy Executive Director, IED Business Unit of Inoue Rubber (Thailand) PCL.
	- Member of Risk Management Committee, Inoue Rubber (Thailand) PCL.
	- Deputy Executive Director of R&D Division, IRC (Asia) Research Co., Ltd.
2014 – Present	- Member of Executive Committee, Inoue Rubber (Thailand) PCL.
2013 – 2015	- Production Division Manager, Inoue Rubber (Thailand) PCL.
2009 – 2015	- Engineering Division Manager, Inoue Rubber (Thailand) PCL.
	- R&D Manager, IRC (Asia) Research Ltd.

Mr. Hiroyuki Hibi
Executive Committee Member

Mr. Hiroyuki Hibi
Position		Member of Executive Committee
Age		57 years
Appointment Year		2016
Shareholding Proportion		None
Highest Education Bachelor Degree of Economics, Ritsumeikan University
Training from Thai Institute of Directors Association (IOD) -
Past 5-year Working Experience
2018 – Present	- Corporate Officer Rubber and Elastomer Division of INOAC Corporation Co., Ltd.
2016 – Present	- Member of Executive Committee of Inoue Rubber (Thailand) PCL.
	- Director of Kinno Hoshi Engineering Co., Ltd.
2015 – 2016	- Managing Director of Division of Rubber and Elastomer Division of INOAC Corporation Co., Ltd.
	- Vice President of PT. IRC INOAC INDONESIA
2010 – 2015	- Managing Director of Dongguan Inoac (F.K.) Metal and Elastomer Co., Ltd.

Mr. Kazuaki Yamada
Executive Committee Member

Mr. Hirozo Mizuno
Position		Member of Executive Committee
Age		54 years
Appointment Year		2019
Shareholding Proportion		None
Highest Education Bachelor's degree in Accounting, Shiga University
Training -
Past Working Experience
2019 – Present	- Member of Executive Committee of Inoue Rubber (Thailand) Public Co., Ltd.
2015 – Present	- Senior Executive Advisor of Inoac (Thailand) Co.
2011 – 2015	- Accounting Manager of Inoue Rubber Public Co., Ltd.

Ms. Praewphan Songhong
Executive Committee Member

Ms. Praewphan Songhong
Position		Finance Division Manager / Member of Risk Management Committee
Age		50 years
Appointment Date		2021
Shareholding Proportion		None
Highest Education Master of Business Administration, Majoring in Finance, Eastern Asia University
Training Training in 2020 Transfer Pricing Course TFRS 9 and Related Financial Reporting Standers for Non-Financial Institutions TLCA CFO CPD No. 5/2020 in topic of “How to create value with the right environment, social and governance strategies”, COSO ERM 2017 TLCA CFO Professional Development Program (TLCA CFO CPD) No.3&4/2020 TLCA CFO Professional Development Program (TLCA CFO CPD) No. 5/2019 “The CFO’s role in stakeholder communication” (English Session) Thai Institute of Directors Association (IOD) Financial Statements for Directors (FSD) TLCA CFO Processional Development Program (TLCA CFO CPD) 2019 Training Course from the Association of Listed Companies Strategic Financial Leadership Program (SFLP) Learn to develop KAM to benefit the Thai capital market literally. Course from the Federation of Accounting Professions Under the Royal Patronage Financial Instruments courses Financial Model course Thailand International Financial Reporting Tax burden from oversea payment and Double Taxation Agreement CFO FCCUS ON FINANCIAL REPORTING Pack 5 & Fair Value Other Training Corporate Tax Planning: Best Practices & Corporate Governance from Omega Worldclass institution. Strategic CFO in Capital Markets, SET
2021 - Present	- Member of Executive Committee, Inoue Rubber (Thailand) PCL
2017 - Present	- Finance Division Manager, Inoue Rubber (Thailand) PCL
	- Member of Risk Management Committee, Inoue Rubber (Thailand) PCL
2016 - Present	- CFO,Inoue Rubber (Thailand) PCL
2008 - 2016	- Senior Manager of Accounting Department, Inoue Rubber (Thailand) PCL
2004 - 2008	- Accounting Manager, Toei Inoac Co., Ltd.

Committees > Executive Committee

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Executive Committee