Organization Chart

Board of Directors
Representative Director, Group CEO | Hiroshi Kiriyama Biography | |
---|---|---|
Representative Director, Senior Managing Executive Officer |
Takayuki Uematsu Biography | Sustainability Initiative Dept., Accounting Dept., Finance Dept. |
Director, Senior Executive Officer |
Shigeru Yamada Biography | Corporate Planning Dept., Power & New Energy Dept. |
Director, Senior Executive Officer |
Junko Takeda Biography | Business Portfolio Management Dept., Legal and General Affairs Dept., Human Resource Dept. |
Independent Outside Director | Ryuko Inoue Biography | |
Independent Outside Director | Takuya Kurita Biography | |
Director, Full-time Audit and Supervisory Committee Member | Toshiyuki Mizui Biography | |
Independent Outside Director, Audit and Supervisory Committee Member | Yasuko Takayama Biography | |
Independent Outside Director, Audit and Supervisory Committee Member | Keiichi Asai Biography | |
Senior Executive Officer, CDO | Noriko Rzonca | Corporate DX Strategy Dept., Corporate Communication Dept., IT Initiative Dept. |
Executive Officer | Gota Sakai | General Manager, Corporate Planning Dept. |
Executive Officer | Yoshihiko Sato | General Manager, Secretariat Office |
Executive Officer | Tomoki Iwai | General Manager, Accounting Dept. |
*Internal Auditing Office and Secretariat Office are under control of the Representative Director, Group CEO.
Effective from June 23, 2022
Representative Director, Group CEO
Hiroshi Kiriyama

(Biography)
- April 1979
- Joined Daikyo Oil Co., Ltd.
- June 2013
- Director, Senior Executive Officer, Cosmo Oil., Ltd.
- October 2015
- Director, Senior Managing Executive Officer of the Company
- June 2016
- Representative Director, Executive Vice President
- June 2017
- Representative Director, Group CEO (current position)
Representative Director, Senior Managing Executive Officer
Takayuki Uematsu

(Biography)
- November 1992
- Joined Cosmo Oil Co., Ltd.
- June 2015
- General Manager of Finance Dept.
- October 2015
- General Manager of Finance Dept. of the Company
- June 2016
- Executive Officer, General Manager of Finance Dept.
- April 2018
- Senior Executive Officer
- June 2018
- Director, Senior Executive Officer,
- June 2020
- Representative Director, Senior Executive Officer
- April 2021
- Representative Director, Senior Managing Executive Officer (current position)
Director, Senior Executive Officer
Shigeru Yamada

(Biography)
- April 1988
- Joined Cosmo Oil Co., Ltd.
- June 2015
- General Manager, Supply Dept.,
- April 2018
- Executive Officer, General Manager of Corporate Planning Dept. of the Company
- April 2020
- Senior Executive Officer
- June 2020
- Director, Senior Executive Officer (current Position)
Director, Senior Executive Officer
Junko Takeda

(Biography)
- April 1990
- Joined COSMO OIL COMPANY, LIMITED
- October 2015
- General Manager, Human Resource and General Affairs Dept.
- April 2017
- General Manager, Planning & Management Dept.
- April 2019
- Director, Executive Officer
- April 2020
- Executive Officer, General Manager, Human Resource Dept. of the Company
- April 2022
- Senior Executive Officer
- June 2022
- Director, Senior Executive Officer (current position)
Independent Outside Director
Ryuko Inoue

(Biography)
- April 1981
- Joined Ministry of Agriculture, Forestry and Fisheries, MAFF
- January 2003
- Minister, Embassy of Japan in Italy, Permanent Representative of Japan to Food and Agriculture Organization of the United Nations (FAO) and World Food Programme (WFP)
- April 2016
- Deputy Director - General, Agriculture, Forestry and Fisheries Research Council, MAFF
- July 2017
- Retirement, MAFF
- November 2017
- Registered as attorney-at-law,
Of Counsel, Atsumi & Sakai (current position) - June 2019
- Outside Director, Nippon Steel Trading Corporation (current position)
- June 2021
- Director of the Company (current position)
Independent Outside Director
Takuya Kurita

(Biography)
- April 1984
- Joined Ministry of Construction (Ministry of Land, Infrastructure, Transport and Tourism)
- September 2007
- Counsellor, Cabinet Secretariat
- July 2009
- Director of Urban Renewal Promotion Division, Ministry of Land, Infrastructure and Transport (MLIT)
- July 2011
- Counselor, the Headquarters for the Reconstruction from the Great East Japan Earthquake
- February 2012
- Counselor, Reconstruction Agency
- August 2013
- Director of Personnel Division, MLIT
- July 2015
- Director-General of City Bureau, MLIT
- July 2018
- Director-General of Policy Bureau, MLIT
- July 2020
- Vice-Minister of Land, Infrastructure, Transport and Tourism, MLIT
- July 2021
- Retirement, Vice-Minister of Land, Infrastructure, Transport and Tourism, MLIT
- October 2021
- Corporate Advisor, Sumitomo Mitsui Trust Bank, Ltd.
- June 2022
- Director of the Company (current position)
Director, Full-time Supervisory Committee Member
Toshiyuki Mizui

(Biography)
- August 1993
- Joined Cosmo Oil Co., Ltd.
- June 2012
- General Manager, Internal Auditing Office,
- October 2015
- General Manager, Internal Auditing Office of the Company
- April 2016
- General Manager, Accounting Dept.
- June 2016
- Executive Officer, General Manager Accounting Dept.
- April 2018
- President, Eco Power Co., Ltd. (Cosmo Eco Power Co., Ltd.)
- April 2020
- Counselor of the company
- June 2020
- Director (Supervisory Committee Member) (current position)
Independent Outside Director, Supervisory Committee Member
Yasuko Takayama

(Biography)
- April 1980
- Joined Shiseido Co., Ltd
- April 2009
- General Manager, Social Affairs and Consumer Relations Department
- April 2010
- General Manager, Corporate Social Responsibility Department
- June 2011
- Full-time Audit and Supervisory Board Member
- June 2015
- Advisor
- Outside Director, The Chiba Bank, Ltd. (current position)
- June 2016
- Outside Audit & Supervisory Board Member, Mitsubishi Corporation (current position)
- June 2017
- Outside Audit & Supervisory Board Member, Yokogawa Electric Corporation (current position)
- June 2019
- Director of the Company (Supervisory Committee Member) (current position)
Independent Outside Director, Supervisory Committee Member
Keiichi Asai

(Biography)
- April 1978
- Joined Mitsubishi Corporation
- April 2009
- Executive Officer, Head of CEO office, Energy Group, Mitsubishi Corporation
- April 2013
- Director and Vice President,
Lithium Energy Japan - September 2014
- Representative Director,
President and Chief Executive Officer,
KH Neochem Co., Ltd. - April 2019
- Retirement, KH Neochem Co., Ltd.
- June 2021
- Director of the Company (Supervisory Committee Member) (current position)