Corporate Information
Corporate Officers
Directors
| April 1984 | Joined the Company |
|---|---|
| July 2010 | Corporate Planning Dept. |
| May 2012 | Administration Dept., Sierra Gorda Project Dept. |
| June 2013 | Executive Officer Senior Deputy General Manager of Non-Ferrous Metals Div. |
| June 2014 | Director General Manager of Corporate Planning Dept. |
| June 2015 | General Manager of Non-Ferrous Metals Div. |
| June 2016 | Managing Executive Officer |
| June 2018 | President and Representative Director |
| June 2024 | Chairman and Representative Director (Present Position) |
Nobuhiro Matsumoto
Representative Director
President and Director
| April 1987 | Joined the Company |
|---|---|
| April 2008 | General Manager of Niihama Nickel Refinery, Non-Ferrous Metals Div. |
| July 2013 | Administration Dept., Non-Ferrous Metals Div. |
| June 2014 | General Manager of Administration Dept., Non-Ferrous Metals Div. |
| June 2016 | Executive Officer Senior Deputy General Manager of Non-Ferrous Metals Div. |
| June 2018 | General Manager of Non-Ferrous Metals Div. |
| June 2019 | Director |
| June 2020 | Managing Executive Officer |
| June 2022 | Senior Managing Executive Officer |
| June 2024 | President and Representative Director (Present Position) |
Masaru Takebayashi
Director
Senior Managing Executive Officer
General Manager of Non-Ferrous Metals Div.
| April 1990 | Joined the Company |
|---|---|
| June 2016 | General Manager of Harima Refinery, Non-Ferrous Metals Div. |
| July 2017 | General Manager of Toyo Smelter & Refinery, Non-Ferrous Metals Div. |
| June 2020 | Executive Officer |
| January 2021 | Senior Deputy General Manager of Non-Ferrous Metals Div. |
| June 2023 | Director (Present Position) Managing Executive Officer General Manager of Non-Ferrous Metals Div. (Present Position) |
| June 2026 | Senior Managing Executive Officer (Present Position) |
Yasuhiro Miyake
Director
Executive Officer
Executive Officer in charge of Financial Strategy
General Manager of Finance & Accounting Dept.
| April 1992 | Joined the Company |
|---|---|
| June 2018 | Finance & Accounting Dept. |
| July 2023 | Corporate Planning Dept. |
| June 2025 | Executive Officer (Present Position) General Manager of Finance & Accounting Dept. (Present Position) |
| June 2026 | Director (Present Position) Executive Officer in charge of Financial Strategy (Present Position) |
| April 1986 | Registered as a lawyer Joined Ryoichi Wada Law Firm |
|---|---|
| March 1992 | Established Ohta & Ishii Law Firm |
| June 2018 | Director of the Company (Present Position) |
| April 1978 | Joined NEC Corporation |
|---|---|
| April 2006 | Executive General Manager, Distribution and Service Industries Solutions Operations Unit of NEC Corporation |
| April 2008 | Associate Senior Vice President of NEC Corporation |
| April 2010 | Senior Vice President of NEC Corporation |
| June 2010 | Director of NEC Corporation |
| April 2016 | Senior Executive Vice President of NEC Corporation |
| April 2018 | Senior Officer of NEC Corporation |
| June 2020 | Director of the Company (Present Position) |
| June 2021 | Retired as Senior Officer of NEC Corporation |
| April 1970 | Joined Ajinomoto Co., Inc. |
|---|---|
| July 1988 | Head of Central Research Center of Ajinomoto Co., Inc. |
| July 1993 | Head of Development Planning Dept. of Ajinomoto Co., Inc. |
| October 1993 | Member of the Board; General Manager, Electronic Materials Division of Ajinomoto Fine-Techno Co., Inc. |
| June 2002 | Member of the Board and Senior Managing Director; General Manager, Electronic Materials Division of Ajinomoto Fine-Techno Co., Inc. |
| June 2004 | Member of the Board and Vice President of Ajinomoto Fine-Techno Co., Inc. |
| July 2008 | Chief Director of Ajinomoto Co., Inc. |
| June 2009 | Retired as Chief Director of Ajinomoto Co., Inc. |
| June 2012 | Advisor of Ajinomoto Fine-Techno Co., Inc. |
| June 2014 | Retired as Advisor of Ajinomoto Fine-Techno Co., Inc. |
| June 2024 | Director of the Company (Present Position) |
| April 1987 | Joined Orr Shotliff Accounting Firm |
|---|---|
| February 1991 | Joined Ernst & Young London Office |
| May 1991 | Registered as an ICAEW-qualified chartered accountant (UK) |
| July 2002 | Joined ShinNihon Audit Firm (current Ernst & Young ShinNihon LLC) |
| July 2003 | Partner of ShinNihon Audit Firm |
| March 2017 | Representative in Japan of Ernst & Young Global Limited IFRS Policy Committee |
| June 2025 | Retired from Ernst & Young ShinNihon LLC Retired as Representative in Japan of Ernst & Young Global Limited IFRS Policy Committee Director of the Company (Present Position) |
Audit & Supervisory Board Members
| April 1988 | Joined the Company |
|---|---|
| July 2019 | General Manager of Legal Dept. |
| June 2023 | Executive Officer General Manager of Besshi-Niihama District Div. |
| June 2025 | Audit & Supervisory Board Member (Standing) |
| June 2026 | Senior Audit & Supervisory Board Member (Standing) (Present Position) |
| April 1991 | Joined the Company |
|---|---|
| June 2011 | Corporate Planning Dept. |
| July 2015 | Finance & Accounting Dept. |
| June 2017 | Seconded to Japan Mining Industry Association |
| June 2019 | Finance & Accounting Dept. |
| June 2026 | Audit & Supervisory Board Member (Standing) (Present Position) |
| September 1983 | Joined Ota Tetsuzo Audit Firm (current Ernst & Young ShinNihon LLC) |
|---|---|
| March 1987 | Registered as a certified public accountant |
| July 2003 | Partner of ShinNihon Audit Firm (current Ernst & Young ShinNihon LLC) |
| May 2006 | Board Member of ShinNihon Audit Firm |
| August 2008 | Managing Partner of ShinNihon LLC (current Ernst & Young ShinNihon LLC) |
| August 2010 | Senior Partner of ShinNihon LLC |
| June 2016 | Left ShinNihon LLC Established Wakamatsu Certified Public Accountant Firm |
| September 2019 | Registered as a certified public tax accountant |
| June 2021 | Audit & Supervisory Board Member of the Company (Present Position) |
| April 1982 | Joined Export-Import Bank of Japan |
|---|---|
| October 2008 | Head of Credit Department of Japan Bank for International Cooperation, Japan Finance Corporation |
| January 2011 | Head of Corporate Management Office of Japan Bank for International Cooperation, Japan Finance Corporation |
| April 2012 | Western Japan Representative of Japan Bank for International Cooperation |
| December 2013 | Executive Officer, Western Japan Representative of Japan Bank for International Cooperation |
| June 2015 | Retired as Executive Officer of Japan Bank for International Cooperation |
| July 2015 | Retired from Japan Bank for International Cooperation |
| August 2015 | Advisor of Nomura Securities Co., Ltd. |
| June 2017 | Retired as Advisor of Nomura Securities Co., Ltd. Executive Managing Director, CEO of JBIC IG Partners |
| June 2023 | Retired as Executive Managing Director, CEO of JBIC IG Partners |
| June 2024 | Audit & Supervisory Board Member of the Company (Present Position) |
Executive Officers
| Nobuhiro Matsumoto (*) | President | |
|---|---|---|
| Masaru Takebayashi (*) | Senior Managing Executive Officer | General Manager of Non-Ferrous Metals Div. In charge of Purchasing Dept. |
| Shinichi Sato | Managing Executive Officer | General Manager of Advanced Materials Div. |
| Munekazu Kawata | Managing Executive Officer | General Manager of Battery Materials Div. |
| Kazuaki Sakamoto | Managing Executive Officer | General Manager of Engineering Div. In charge of Information Systems Dept. and Digital Transformation Dept. |
| Yoshihiro Sagawa | Managing Executive Officer | General Manager of Mineral Resources Div. |
| Takahiro Hagiwara | Managing Executive Officer | General Manager of Sustainability Dept. In charge of General Affairs Dept., Public Relations & Investor Relations Dept. and Osaka Branch |
| Yusuke Niwa | Executive Officer | Senior Deputy General Manager of Battery Materials Div. |
| Yasumasa Hattori | Executive Officer | Senior Deputy General Manager of Non-Ferrous Metals Div. |
| Mihoko Yano | Executive Officer | General Manager of Human Resources Dept. |
| Toru Kitazaki | Executive Officer | General Manager of Technology Div. |
| Kenji Hara | Executive Officer | Senior Deputy General Manager of Engineering Div. |
| Yukinori Okano | Executive Officer | Senior Deputy General Manager of Battery Materials Div. |
| Satoru Nishihara | Executive Officer | General Manager of Besshi-Niihama District Div. |
| Kazunori Kawanaka | Executive Officer | General Manager of Safety & Environment Control Dept. In charge of Quality Assurance Dept. |
| Yasuhiro Miyake (*) | Executive Officer | Executive Officer in charge of Financial Strategy General Manager of Finance & Accounting Dept. In charge of Secretarial Dept. |
| Kenichi Tsuda | Executive Officer | Senior Deputy General Manager of Mineral Resources Div. |
| Kaoru Hishiki | Executive Officer | Senior Deputy General Manager of Advanced Materials Div. |
| Toshiaki Maeda | Executive Officer | Senior Deputy General Manager of Mineral Resources Div. |
| Hideki Niwa | Executive Officer | General Manager of Legal Dept. In charge of Internal Audit Dept. |
| Junya Watanabe | Executive Officer | General Manager of Corporate Planning Dept. |
| Isao Nishikawa | Executive Officer | Senior Deputy General Manager of Non-Ferrous Metals Div. |
An asterisk indicates the officer is also serving concurrently as a director.
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