Naoki MiyazakiChairman

• Apr. 1980Joined Toyota Motor Co., Ltd.
• June 2008Managing Officer, Toyota Motor Corp.
• Apr. 2013Senior Managing Officer, Toyota Motor Corp.
• Apr. 2014Adviser, Toyoda Gosei
• June 2014Executive Vice President, Toyoda Gosei
• June 2015President, Toyoda Gosei
• June 2020Chairman, Toyoda Gosei
• June 2021Director, Toyoda Gosei
• June 2024Chairman, Toyoda Gosei

Significant Concurrent Positions:
Outside Audit & Supervisory Board member, Hino Motors, Ltd.

Katsumi SaitoPresident, CEO

• Apr. 1988Joined Toyoda Gosei
• June 2018Corporate Officer, Toyoda Gosei (Retired in June 2019 due to a change in the board system)
• June 2022Corporate Officer, Toyoda Gosei
• June 2023President, Toyoda Gosei

Hiroshi YasudaExecutive Vice President, COO, CMO

• Apr. 1982Joined Toyoda Gosei
• June 2012Corporate Officer, Toyoda Gosei
• June 2016Director, Managing Officer, Toyoda Gosei
• June 2018Director, Senior Managing Officer, Toyoda Gosei
• June 2019Director, Corporate Officer, Toyoda Gosei
• June 2023Executive Vice President, Toyoda Gosei

Mitsuhiro NawashiroDirector, Corporate Officer, CTO

• Sep. 1997Joined Toyoda Gosei
• June 2018Corporate Officer, Toyoda Gosei (Retired in June 2019 due to a change in the board system)
• June 2021Corporate Officer, Toyoda Gosei
• June 2023Director, Corporate Officer, Toyoda Gosei

Masayoshi HachisukaDirector, Corporate Officer, CFO

• Apr. 1990Joined the Long-Term Credit Bank of Japan, Limited
• Apr. 1999Joined Toyota Motor Corp.
• June 2024Corporate Officer, Toyoda Gosei
• June 2025Director, Corporate Officer, Toyoda Gosei

Mayumi MatsumotoOutside Director

• Oct. 1987Contract newscaster, TV Asahi Corporation
• Apr. 1993Contract newscaster, Japan Broadcasting Corporation
• July 2003Freelance announcer, Horipro Inc. (Exclusive contract ended in Apr. 2009)
• May 2008Collaborative Researcher, Research Center for Advanced Science and Technology, The University of Tokyo
• May 2009Project Researcher, Research Center for Advanced Science and Technology, The University of Tokyo
• Apr. 2011Director, Principal Researcher, International Environment and Economy Institute
• Apr. 2013Visiting Associate Professor, Special Division of Environmental and Energy Science, Komaba Organization for Educational Excellence (KOMEX), The University of Tokyo
• July 2017Director, Japan Council for Renewable Energy
• June 2019Director, Toyoda Gosei

Significant Concurrent Positions:
Visiting Associate Professor, Komaba Organization for Educational Excellence (KOMEX), The University of Tokyo
Director, Principal Researcher, International Environment and Economy Institute
Director, Japan Council for Renewable Energy

Takashi WadaOutside Director

• Apr. 1979Joined Sanken Electric Co., Ltd.
• Apr. 2007General Manager, Production Division, Production Headquarters, Sanken Electric
• June 2007Corporate Officer, Sanken Electric
• Apr. 2009Head, Production Headquarters, Sanken Electric
• June 2009Director and Senior Vice President, Sanken Electric
• June 2012Director and Executive Vice President, Sanken Electric
• Apr. 2015President and Representative Director, Sanken Electric
• June 2021Chairman and Representative Director, Sanken Electric
• June 2022Senior Advisor, Sanken Electric (Retired in June 2024)
• June 2023Director, Toyoda Gosei

Masanori FurukawaOutside Director

• Apr. 1977Joined Tajimi City Hall
• Apr. 1987Tajimi City Council Member (three terms, 12 years)
• Apr. 1999Gifu Prefecture Assembly Member (two terms, 8 years)
• Apr. 2007Mayor of Tajimi City (four terms, 16 years)
• Apr. 2023Advisor, Tajimi City Hospital
• June 2024Director, Toyoda Gosei

Significant Concurrent Positions:
Advisor, Tajimi City Hospital

Shigeki MaedaOutside Director

• Apr. 1981Joined the Japan External Trade Promotion Agency (currently the Japan External Trade Organization, an independent administrative agency, JETRO)
• Aug. 1998Deputy Director, JETRO New York Office
• Dec. 2001Principal Officer, Planning Department, JETRO Headquarters
• Apr. 2006Manager, Export Promotion Division, Market Development Department, JETRO Headquarters
• Apr. 2008Deputy Director, Research Planning Department, JETRO Institute of Developing Economies
• Apr. 2010Director, JETRO Singapore Office
• Aug. 2013Director, Japan Inbound Investment Department, JETRO Headquarters
• Aug. 2015Executive Director, JETRO
• Sep. 2019Ambassador Extraordinary and Plenipotentiary to the Kyrgyz Republic (Retired in Oct. 2022)
• Apr. 2023Adviser, Toyoda Gosei
• June 2024Director, Toyoda Gosei

Makoto AouOutside Director

• June 2012Corporate Officer, Pasona Tech Inc.
• Feb. 2016Founded ExaIntelligence Inc., Director and COO, ExaIntelligence Inc.
• June 2016Director, Pasona Tech Inc.
• Oct. 2019Project and Operations Producer for the Entrepreneur Support Facility “Nagono Campus”
• Oct. 2020Founded LEO Co., Ltd., Representative Director & CEO, LEO Co., Ltd.
• June 2024Director, Toyoda Gosei

Significant Concurrent Positions:
Representative Director & CEO, LEO Inc.
Project and Operations Producer, Nagono Campus
Professor at the School of Entrepreneurship, Musashino University
Visiting Associate Professor for Industry-Academia-Government Collaboration at Nagoya University

Kenji OisoAudit & Supervisory Board Member

• Apr. 1980Joined Sumitomo Metal Industries, Ltd.
• June 2002Deputy Manager, Finance & Accounting Div., Sumitomo Metal Ind., Ltd.
• June 2004Joined Mitsubishi Sumitomo Silicon, Co., Ltd.
• Mar. 2006General Manager, Finance & Accounting Division, SUMCO Corp.
• Apr. 2011Corporate Officer, SUMCO Corp. (Retired in Mar. 2014)
• Apr. 2014Functional Officer, Yokogawa Sumikin Bridge Corp. (Retired in Dec. 2015)
• Jan. 2016Joined Miraial Co., Ltd.
• Feb. 2016General Manager, Finance & Accounting Division, Miraial Co., Ltd.
• June 2020Audit & Supervisory Board Member, Toyoda Gosei

Yoshiyuki FujitaAudit & Supervisory Board Member

• Apr. 1983Joined Toyoda Gosei
• June 2014Corporate Officer, Toyoda Gosei
• Apr. 2016President, Toyoda Gosei North America Corporation
• June 2017Managing Officer, Toyoda Gosei
• June 2019Corporate Officer, Toyoda Gosei (Due to changes in the board system)
• June 2023President, Toyoda Gosei (China) Investment Co., Ltd.
• June 2025Audit & Supervisory Board Member, Toyoda Gosei

Chika KakoOutside Audit & Supervisory Board Member

• Apr. 1989Joined Toyota Motor Corp.
• Jan. 2015Chief Engineer, Lexus International ZL, Toyota Motor Corp.
• Jan. 2018Managing Officer, Toyota Motor Corp.
• Jan. 2019Field General Manager, Material Technology Field, Advanced R&D and Engineering Company, Toyota Motor Corp.
• Jan. 2020Senior General Manager, Material Technology Field, Advanced R&D and Engineering Company, Toyota Motor Corp.
• June 2020Audit & Supervisory Board Member, Toyoda Gosei

Significant Concurrent Positions:
Senior General Manager, Material Technology Field, Advanced R&D and Engineering Company, Toyota Motor Corp.

Hitoshi KuwayamaOutside Audit & Supervisory Board Member

• Apr. 1990Registered as attorney Joined Midosuji LPC
• Apr. 1997Partner at Midosuji LPC
• May 2011Outside Company Auditor, Maxvalu Nishinihon Co., Ltd.
• Apr. 2012Vice Chairman, Osaka Bar Association
• Apr. 2013Part-time Lecturer, Kyoto University Law School
• May 2015Outside Director, Maxvalu Nishinihon Co., Ltd.
• Apr. 2020Senior Partner, Midosuji LPC
• June 2020Outside Director, Zett Corporation (Audit and Supervisory Committee Member)
• June 2022Audit & Supervisory Board Member, Toyoda Gosei

Significant Concurrent Positions:
Senior Partner, Midosuji LPC
Outside Director, Zett Corporation (Audit and Supervisory Committee Member)

Masahiko YokoiOutside Audit & Supervisory Board Member

• Apr. 1978Joined the Asahi Shimbun Company
• June 2010Director, Representative of Osaka Head Office of the Asahi Shimbun Company
• June 2013Director, Nagoya Broadcasting Network Co., Ltd.
• June 2014President and Representative Director, Nagoya Broadcasting Network
• June 2019Chairman and Representative Director, Nagoya Broadcasting Network
• June 2022Advisor, Nagoya Broadcasting Network
• June 2023Audit & Supervisory Board Member, Toyoda Gosei