Chairman and Director
Toshihiko Kai

Brief bio

March 2000	Joined the Company
April 2001	Executive Officer
April 2002	President, Medical Equipment Unit (currently Medical Division)
June 2003	Director
December 2004	President & CEO
April 2025	Chairman and Director (present position)

Representative Director, President and Chief Executive Officer
Koichi Kato

Brief bio

April 1995	Joined the Company
October 2007	Corporate Planning Office
February 2010	Seconded to LEWA GmbH (stationed in Germany)
July 2013	General Manager of Business Transformation Promotion Office, Industrial Division
April 2014	Deputy General Manager of Industrial Division
July 2022	Executive Officer, Head of Industrial Division
March 2023	Director
February 2024	Managing Executive Officer
April 2025	Representative Director, President and Chief Executive Officer (present position)

Director, Managing Executive Officer
Masaru Yamamura

Head of Medical Unit, Head of Medical Division,
Head of Shizuoka office

Brief bio

November 1990	Joined the Company
July 2012	Head of Osaka Branch
April 2017	Head of Industrial Division
January 2018	Executive Officer
March 2019	Director (present position)
October 2021	CEO, Managing Director, LEWA GmbH (in Germany)
July 2022	Head of Medical Division (present position)
February 2024	Managing Executive Officer (present position)
October 2024	CEO, Director, Nikkiso Medical America, Inc. (the Company’s consolidated subsidiary in the U.S.A. )
January 2025	Head of Medical Unit, Head of Shizuoka office (present position)

Director, Managing Executive Officer
Kenji Saito

Head of Industrial Unit, Head of Industrial Division

Brief bio

April 2013	General Manager, Paris Branch, Mizuho Bank, Ltd.
July 2016	Chief Executive Officer, Mizuho Bank Europe N.V.
November 2020	Joined the Company
January 2022	Executive Officer, Head of Aerospace Division
March 2022	Director (present position), Chairman, Nikkiso Vietnam, Inc. (the Company’s consolidated subsidiary in Vietnam)
January 2025	Managing Executive Officer, Head of Industrial Unit, Head of Industrial Division (present position)

Director, Executive Officer
Yoshihiko Kinoshita

Head of Nikkiso Institute of Research and Technology,
Quality Assurance

Brief bio

April 1989	Joined the Company
January 2016	Head of Medical Division
January 2017	Executive Officer (present position)
March 2017	Director (present position)
October 2017	CEO and Managing Director of Nikkiso Europe GmbH (in Germany)
July 2022	Quality Assurance (present position)
January 2023	Head of Nikkiso Institute of Research and Technology（present position）

Director
Peter Wagner

Executive Chairman, Director, Cryogenic Industries, Inc. (the Company's consolidated subsidiary in the U.S.A.)

Brief bio

April 2003	Vice President, Business Development, Gas and Process Division, Atlas Copco Energas GmbH (Germany)
August 2007	General Manager, Atlas Copco Comptec LLC (U.S.A.)
January 2011	Divisional President and General Manager of Gas and Process Division, Atlas Copco Energas GmbH (Germany)
January 2016	CEO, Managing Director, LEWA GmbH (Germany)
June 2018	CEO and Director, Cryogenic Industries, Inc.
March 2022	Director (present position)
July 2023	Outside Director, Proton Green, LLC (U.S.A.) (present position)
July 2024	Executive Chairman, Director, Cryogenic Industries, Inc. (present position)

Outside Director
Mitsuaki Nakakubo

Brief bio

April 1995	Registered as an attorney of Japan (affiliated with the Daini Tokyo Bar Association) (to present)
January 2001	Partner, Asahi Law Offices (present position)
June 2015	Outside Audit & Supervisory Board Member
June 2017	Outside Audit & Supervisory Board Member, Nippon Kodo Holdings Co., Ltd. (present position)
June 2019	Outside Director, FANCL CORPORATION
March 2021	Outside Director (present position)

Outside Director
Atsuko Kikuchi

Brief bio

April 1975	Appointed to the National Personnel Authority of Japan (NPA)
April 1996	Director, Training Management Department, National Institute of Public Administration, NPA
January 2007	Director General, National Institute of Public Administration, NPA
April 2008	Director General for Secretariat’s Policy Matters, Secretariat of National Personnel Authority, NPA
January 2010	Director General, Human Resources Bureau, NPA
June 2012	Auditor, Vehicle Information and Communication System Center
April 2013	Representative Director, Japan Association for Public Human Resources Development
April 2018	Executive Director, Saitama Prefectural University
March 2025	Outside Director (present position)

Outside Director
Junko Yamaguchi

Brief bio

April 1979	Joined Nippon Telegraph and Telephone Public Corporation (currently Nippon Telegraph and Telephone Corporation)
March 1993	Director, Corporate Business Division, Omiya Branch of Nippon Telegraph and Telephone Corporation
July 1999	Executive Manager, Consumer & Office Business Department of NTT Communications Corporation
April 2004	Vice President, Incubation Development Department of NTT Resonant Incorporated
April 2007	Director, Info-Communications Research Department, Foundation for MultiMedia Communications
June 2014	Audit & Supervisory Board Member, NTT EASTMINAMIKANTO CORPORATION
June 2019	Outside Director, Nippon Soda Co., Ltd.
June 2024	Outside Director, DOWA HOLDINGS CO., LTD. (present position)
March 2025	Outside Director (present position)

Audit & Supervisory Board Member
Hisanao Amino

Brief bio

May 2010	General Manager of Americas Comprehensive Risk Management Department, the Bank of Tokyo-Mitsubishi UFJ, Ltd. (currently MUFG Bank, Ltd.)
November 2014	Joined the Company
January 2016	CFO, Managing Director, LEWA GmbH (in Germany)
June 2018	Director, Executive Vice President, Cryogenic Industries, Inc. (the Company’s consolidated subsidiary in the U.S.A)
January 2020	Deputy General Manager of Medical Division
September 2021	CEO, Director, Nikkiso Medical America, Inc. (the Company’s consolidated subsidiary in the U.S.A)
March 2023	Audit & Supervisory Board Member (present position)

Audit & Supervisory Board Member
Motohiro Takeuchi

Brief bio

March 2011	General Manager of Quality Control Department, Philips Electronics Japan, Ltd. (currently Philips Japan, Ltd.)
January 2014	General Manager of Service & Repair Department, Medicon Inc.
January 2018	Joined the Company
January 2019	General Manager of Biomedical Engineering Center, Medical Division
January 2020	Executive Officer , General Manager of Research & Engineering Institute
March 2021	Quality Assurance
March 2022	Audit & Supervisory Board Member (present position)

Outside Audit & Supervisory Board Member
Naoshi Ogasawara

Brief bio

December 1991	Joined Taiyo Audit Corporation (currently Grant Thornton Taiyo LLC)
August 1992	Registered as certified public accountant (to present)
April 2007	Senior Partner, Grant Thornton Taiyo ASG (currently Grant Thornton Taiyo LLC)
October 2008	President, Avantia GP (General Partnership) (present position)
April 2010	Auditor, Center for National University Finance and Management (currently National Institution for Academic Degrees and Quality Enhancement of Higher Education) (present position)
June 2016	Outside Audit & Supervisory Board Member, TSUZUKI DENKI CO., LTD. Outside Director, Topre Corporation (present position)
March 2022	Outside Audit & Supervisory Board Member (present position)
June 2022	Outside Director, TSUZUKI DENKI CO., LTD. (present position)

Outside Audit & Supervisory Board Member
Eiichiro Nakatani

Brief bio

April 1984	Registered as an attorney of Japan (Daiichi Tokyo Bar Association) (to present)
October 1991	Joined Allen & Overy LLP (U.K.)
January 2002	Partner, Anderson Mori & Tomotsune LPC (present position)
April 2007	Part-time lecturer at Waseda University School of Law (International Tax Law)
April 2015	Outside Audit & Supervisory Board Member, Computer Engineering & Consulting Ltd.
April 2016	Member of the Japanese Law Translation Council, Ministry of Justice (present position)
April 2022	Outside Director (Audit & Supervisory Committee Member), Computer Engineering & Consulting Ltd.
March 2023	Outside Audit & Supervisory Board Member (present position)