Members of the Board of Directors, Audit & Supervisory Board Members, and Executive Officers | Our Company

Members of the Board of Directors

Tadaharu Watanabe

Representative Director, President CEO

Career

Career

April 1992	Joined the Company
June 2006	Director of New Product Marketing, Matheson Tri-Gas, Inc. (now Nippon Sanso Matheson, Inc.)
June 2007	General Manager of Purification Business Unit, Matheson Tri-Gas, Inc. (now Nippon Sanso Matheson, Inc.)
January 2008	Vice President, Corporate Business Development, Matheson Tri-Gas, Inc. (now Nippon Sanso Matheson, Inc.)
April 2014	General Manager, Business Development, Corporate Planning & Global Operations, the Company
June 2018	Senior General Manager, Business Development, Development Division, the Company
April 2021	General Manager, Innovation Section, Innovation Unit, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2023	President & CEO, Taiyo Nippon Sanso JFP Corporation (now Nippon Sanso JFP Corporation)
April 2024	Executive Officer, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) President & CEO, Taiyo Nippon Sanso JFP Corporation (now Nippon Sanso JFP Corporation)
April 2025	Executive Vice President and Assistant to the President of the Company, in charge of corporate planning, business administration, and business promotion
April 2026	Executive Vice President and Assistant to the President of the Company
June 2026	Representative Director, President CEO (current)

Kenji Nagata

Member of the Board,
Representative Director and President,
Nippon Sanso Corporation

Career

Career

April 1981	Joined the Company
June 2009	President, National Oxygen Pte. Ltd. (now Nippon Sanso Singapore Ltd.)
June 2013	Executive Officer, General Manager of North Kanto Branch
April 2016	Executive Officer, Deputy General Manager of Industrial Gases Division, General Manager of Gases Business Unit, and General Manager of Product Management Unit
June 2016	Senior Executive Officer, Deputy General Manager of Industrial Gases Division, General Manager of Gases Business Unit, and General Manager of Product Management Unit
April 2017	Senior Executive Officer, and General Manager of Industrial Gases Division
June 2018	Senior Managing Executive Officer, Director, and General Manager of Industrial Gases Division
October 2020	Director of the Company (current), Representative Director and President of Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) (current)

Raoul Giudici

Member of the Board,
Chairman and President, Nippon Sanso Euro-Holding S.L.U.

Career

Career

September 1995	Joined Rivoira S.p.A. (now Nippon Sanso Italia S.r.l.)
March 2004	Director Marketing and Bulk Sales Development, Revoira S.p.A.
February 2007	European Marketing Director , Praxair Euroholding S.L.
January 2010	Sales and Marketing Director Italy, Rivoira S.p.A. (now Nippon Sanso Italia S.r.l.)
February 2013	Managing Director, Rivoira S.p.A. (now Nippon Sanso Italia S.r.l.)
November 2013	Managing Director, President, Rivoira S.p.A. (now Nippon Sanso Italia S.r.l.)
January 2015	Managing Director, President, Praxair Italia S.r.l. (now Nippon Sanso Italia S.r.l.)
April 2024	Executive Vice President, Nippon Gases Euro-Holding S.L.U. (now Nippon Sanso Euro-Holding S.L.U.)
June 2024	Director, the Company (current)
July 2024	Chairman and President, Nippon Gases Euro-Holding S.L.U. (now Nippon Sanso Euro-Holding S.L.U.) (current)

Alan David Draper

Member of the Board,
Chairman & CEO, Nippon Sanso Matheson, Inc.

Career

Career

September 1995	Senior Accountant, Lumsden & McCormick, LLP
September 1996	Internal Auditor, Praxair, Inc. (now Linde plc.)
April 1999	Financial Analyst, Praxair, Inc. (now Linde plc.)
June 2000	Finance Manager Global Supply Systems, Praxair, Inc. (now Linde plc.)
June 2002	US North Region Controller, Praxair, Inc. (now Linde plc.)
May 2004	Director of Revenue and Volume, Praxair, Inc. (now Linde plc.)
June 2005	Director of Accounting and Operations Controller, Praxair, Inc. (now Linde plc.)
March 2009	Finance Director & Global Controller, Praxair Surface Technologies, Inc. (now Linde Advanced Material Technologies Inc.)
December 2014	VP, Finance, IT, & Operational Excellence, Praxair Surface Technologies, Inc. (now Linde Advanced Material Technologies Inc.)
December 2018	CFO, TNSC Euro-Holding S.L.U. (now Nippon Sanso Euro-Holding S.L.U.)
October 2020	Executive Officer, Executive General Manager of Group Financing & Accounting and CFO
June 2023	Senior Executive Officer, Executive General Manager of Group Financing & Accounting and CFO
April 2026	Chairman & CEO, Nippon Sanso Matheson, Inc. (current)
June 2026	Director of the Company (current)

Miri Hara

Member of the Board (Outside Director)

Career

Career

June 1988	Director, Hara Jisho Co., Ltd. (current)
October 2017	Founded Tax Corporation Yokohama Benten Accounting, Inc., and assumed Representative Certified Public Tax Accountant (current)
June 2020	Outside Director, SECOM CO., LTD. (current)
June 2021	Outside Director, the Company (current)
October 2024	Auditor (part time), Hitotsubashi University (current)

Katsumi Nagasawa

Member of the Board (Outside Director)

Career

Career

April 1980	Joined Hitachi, Ltd.
April 2006	General Manager of Nuclear Power Business Development & Management Division, Nuclear Systems Division, Power Systems Group, Hitachi, Ltd.
October 2008	Vice President of Hitachi Power Systems America, Ltd. (now Mitsubishi Power Americas, Inc.)
October 2010	General Manager of Global Business Division, Power Systems Company, Hitachi, Ltd.
January 2011	General Manager of Global Business Division, Power Systems Company, Hitachi, Ltd. and CSO of Hitachi-GE Nuclear Energy, Ltd. (now Hitachi GE Vernova Nuclear Energy, Ltd.)
April 2012	Corporate Officer for Hitachi, Ltd.; General Manager of Hitachi Works, Power Systems Company, Power Systems Group, Hitachi, Ltd.
April 2014	Vice President and Executive Officer, President & CEO of Power Systems Company, Power Systems Group, Hitachi, Ltd.
April 2016	Vice President and Executive Officer, CEO of Nuclear Business Unit, Hitachi, Ltd.
April 2017	Senior Corporate Officer for Hitachi, Ltd., General Manager of Global Nuclear Business Division, Nuclear Business Unit, Hitachi, Ltd.
April 2019	Chairman of the Board, Hitachi-GE Nuclear Energy, Ltd. (now Hitachi GE Vernova Nuclear Energy, Ltd.)
June 2020	Outside Director, Sugino Machine Limited (current)
June 2022	Outside Director, the Company (current)

Masako Miyatake

Member of the Board (Outside Director)

Career

Career

April 1983	Joined The Chase Manhattan Bank N.A (now JPMorgan Chase Bank, N.A.)
October 2002	Registered as an attorney (Deregistered in 2011 to study abroad and reregistered in 2014)
October 2002	Joined Koga & Partners
June 2004	Joined Asahi & Koma Law Offices (now Nishimura & Asahi)
November 2014	Joined Nakano Law Office
November 2014	Reconciliator, Dispute Reconciliation Center for Nuclear Damage Compensation regarding Fukushima Nuclear Plant, Ministry of Education, Culture, Sports, Science and Technology (current)
April 2015	Conciliation Commissioner, Tokyo Family Court (current)
April 2018	Joined Blakemore & Mitsuki (current)
December 2018	Deputy Secretary-General, Japan International Dispute Resolution Center
March 2019	Outside Director, SUMIDA CORPORATION
April 2019	Visiting Professor, Keio University Law School
April 2021	Professor, Keio University Law School
June 2022	Outside Director, the Company (current)
April 2024	Visiting Professor, Keio University Law School (current)
September 2024	Visiting Professor, Graduate School of Law, Kobe University (current)
January 2026	Vice Chair, the Dispute Resolution Subcommittee, the International Construction Projects Committee, International Bar Association (IBA) (current)

Hideo Nakajima

Member of the Board (Outside Director)

Career

Career

April 1978	Joined the Ministry of Finance of Japan
July 2002	Director General of Budgeting and Personnel Management, Asian Development Bank (in Manila, Philippines)
July 2005	Commissioner, Japan Fair Trade Commission (in charge of international affairs)
January 2014	Secretary General, Japan Fair Trade Commission
September 2017	Special Advisor, White & Case LLP/White & Case Law Offices (Registered Association) (current)
June 2023	Outside Director, the Company (current)

Katsuhito Yamaji

Member of the Board (Outside Director)

Career

Career

April 1982	Joined Yamaha Motor Co., Ltd.
April 2003	Director, Yamaha Motor da Amazonia Ltda.
July 2009	Senior General Manager, Manufacturing and Engineering Section, Technology Center, Yamaha Motor Co., Ltd.
March 2012	Executive Officer, Senior General Manager, EG Manufacturing Section, Manufacturing Center, Yamaha Motor Co., Ltd.
January 2014	Executive Officer, Chief General Manager, Manufacturing Center, Yamaha Motor Co., Ltd.
March 2015	Senior Executive Officer, Chief General Manager, Manufacturing Center, Yamaha Motor Co., Ltd.
January 2017	Senior Executive Officer, Chief General Manager, Manufacturing Center, concurrently in charge of Procurement Center, Yamaha Motor Co., Ltd.
March 2017	Senior Executive Officer and Director, Yamaha Motor Co., Ltd.
March 2019	Managing Executive Officer and Director, Yamaha Motor Co., Ltd.
March 2022	Advisor, Yamaha Motor Co., Ltd. (current)
June 2023	Outside Director, the Company (current)
June 2024	Outside Director, ENSHU Limited (current)

Audit & Supervisory Board Members

Satoshi Wataru

Audit & Supervisory Board Member

Career

Career

April 1985	Joined the Company
August 2008	General Manager of Finance Department, General Affairs Division
July 2014	Deputy General Manager of Human Resources Department
June 2015	Executive Officer, Deputy General Manager of Human Resources Department
June 2016	Executive Officer, General Manager of Human Resources Department
August 2016	Executive Officer, General Manager of Human Resources Department, CHO
April 2017	Executive Officer, General Manager of Human Resources Department, officer of Corporate Planning Office, CHO
October 2020	Executive Officer, Group Human Resources and Corporate Secretariat Office, General Manager of Human Resources Department, CHO, Nippon Sanso Holdings Corporation; Member of the Board, Executive Officer, General Manager of Human Resources Department, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2021	Executive Officer, Group Human Resources and Corporate Secretariat Office, General Manager of Human Resources Department, CHO, Nippon Sanso Holdings Corporation; Member of the Board, Senior Executive Officer, Head of Corporate Unit, General Manager of Human Resources Department, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2021	Senior Executive Officer, Group Human Resources and Corporate Secretariat Office, General Manager of Human Resources Department, CHO, Nippon Sanso Holdings Corporation; Member of the Board, Senior Executive Officer, Head of Corporate Unit, General Manager of Human Resources Department, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2023	Supervisory Board Member (current)

Kentaro Akashi

Audit & Supervisory Board Member (Outside Auditor),
Corporate Auditor (Part-Time), Nippon Sanso Corporation

Career

Career

April 1984	Joined Fuji Bank, Ltd. (now Mizuho Bank, Ltd.)
April 2008	General Manager of Products Operation Management Department, Mizuho Corporate Bank, Ltd. (now Mizuho Bank, Ltd.)
April 2010	General Manager, Hong Kong Branch, Mizuho Corporate Bank
April 2011	Executive Officer, General Manager of Hong Kong Corporate Banking Division No. 1 and No.2, Mizuho Corporate Bank Hong Kong
July 2013	Executive Officer, General Manager of Hong Kong Corporate Banking Division No. 1 and No.2, Mizuho Bank Hong Kong
April 2014	Managing Executive Officer, Mizuho Securities Co., Ltd., Chairman of Mizuho Securities Asia Limited, In charge of Investment Banking Group
April 2015	Managing Executive Officer, Mizuho Securities Co., Ltd., Chairman of Mizuho Securities Asia Limited, In charge of Investment Banking Business
April 2016	Managing Executive Officer, Mizuho Securities Co., Ltd., Chairman of Mizuho Securities Asia Limited, In charge of Global Investment Banking Business
April 2017	Senior General Manager, Mizuho Securities Co., Ltd.
June 2017	Executive in charge of Investment Management, Corporate Strategy Division, JTB Corp.
April 2018	Executive Officer, In charge of Investment Strategy, Corporate Strategy Division, JTB Corp.
April 2021	Executive Officer, In charge of Investment Financial Strategy, JTB Corp.
April 2024	Advisor, the Company
June 2024	Outside Auditor, the Company (current), Corporate Auditor (Part-Time), Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) (current)

Kohei Ichiya

Audit & Supervisory Board Member (Outside Auditor)

Career

Career

April 1987	Joined Mitsubishi Chemical Industries Limited (now Mitsubishi Chemical Corporation)
April 2013	Group Manager of Corporate Strategy Office, Mitsubishi Chemical Holdings Corporation (now Mitsubishi Chemical Group Corporation)
April 2017	Group Manager, Corporate Management Department, Mitsubishi Chemical Corporation
April 2018	General Manager, Finance Department, Mitsubishi Chemical Holdings Corporate Staff, Inc. (now Mitsubishi Chemical Group Corporation)
April 2020	Director, General Manager of Finance and Accounting Division, Japan Polychem Corporation
April 2024	Advisor, the Company
June 2024	Outside Auditor, the Company (current)

Riki Shibata

Audit & Supervisory Board Member (Outside Auditor)

Career

Career

April 1986	Joined Dai-Ichi Kangyo Bank, Ltd. (now Mizuho Bank, Ltd.)
April 2017	Executive Officer, General Manager of Global Markets Coordination Department, Mizuho Financial Group, Inc. Executive Officer, General Manager of Global Markets Coordination Department, Mizuho Bank, Ltd.
April 2018	Managing Executive Officer, Deputy Head of Global Markets Company, Mizuho Financial Group, Inc. Managing Executive Officer, Co-Head of Global Markets Division, Mizuho Bank, Ltd.
April 2019	Officer, Mizuho Bank, Ltd.
June 2019	Director and Executive Vice President, NITTOCHI ASSET MANAGEMENT Co., Ltd. (now Chuo-Nittochi Asset Management Co., Ltd.) Advisor, Nippon Tochi-Tatemono Co., Ltd. (now Chuo-Nittochi Co., Ltd.)
April 2020	President & Representative Director, NITTOCHI ASSET MANAGEMENT Co., Ltd. (now Chuo-Nittochi Asset Management Co., Ltd.) Advisor, Nippon Tochi-Tatemono Co., Ltd. (now Chuo-Nittochi Co., Ltd.)
April 2025	Advisor, Chuo-Nittochi Asset Management Co., Ltd. Advisor, Chuo-Nittochi Co., Ltd.
June 2025	Advisor, the Company
June 2025	Outside auditor, the Company (current)

Executive Officers

Tsutomu Moroishi

Senior Executive Officer, In charge of Strategic Projects

Career

Career

April 1984	Joined the Company
November 1991	Assigned to the Thermos company (USA)
November 2001	Corporate Planning Department, President Office, Administrative Division
April 2006	General Manager of Secretariat Office (in charge of project promotion)
April 2013	General Manager of Corporate Communications Department, Corporate Administration Division
April 2014	General Manager of Project Department, Corporate Planning & Global Operations Division
November 2014	Deputy General Manager of Corporate Planning & Global Operations Division
June 2015	Executive Officer, Deputy General Manager of Corporate Planning & Global Operations Division
June 2018	Executive Officer, General Manager of Global Operations Division
October 2020	Executive officer, Group Corporate Planning Office
June 2021	Senior Executive Officer, Executive General Manager of Group Corporate Planning
June 2024	Senior Executive Officer, In charge of Strategic Projects (current)

Takeshi Miki

Senior Executive Officer

Career

Career

April 1986	Joined the Ministry of International Trade and Industry (at the time) Head of Energy Conservation Measures Department, Head of Product Safety Department, Head of Chemical Control Department Also served as head of Examination Department, Patent Office, Deputy Assistant Minister of the Minister’s Secretariat (in charge of Industrial Safety), and others
July 2017	Retired from the Ministry of Economy, Trade and Industry
December 2017	Joined the Company. General Manager of Technological Affairs Division
June 2018	Executive Officer, Deputy General Manager of Technological Affairs Division
June 2019	Executive Officer, General Manager of Technological Affairs Division, Chief Sustainability Officer (CSO)
October 2020	Executive Officer, Group Technological Affairs & Environment Office, CSO, Nippon Sanso Holdings Corporation; Executive officer, General Manager of Technological Affairs Unit, Project Leader of KAITEKI Promotion Project, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2021	Executive Officer, Group Technological Affairs & Environment Office, CSO, Nippon Sanso Holdings Corporation; Senior Executive Officer, Head of Technological Affairs Unit, Project Leader of KAITEKI Promotion Project, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2021	Senior Executive Officer, Group Technological Affairs & Environment Office, CSO, Nippon Sanso Holdings Corporation; Senior Executive Officer, Head of Technological Affairs Unit, Project Leader of KAITEKI Promotion Project, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
November 2021	Senior Executive Officer, General Manager of Group Sustainability Management Office, CSO, Nippon Sanso Holdings Corporation; Senior Executive Officer, Head of Technological Affairs Unit, Project Leader of KAITEKI Promotion Project, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2023	Senior Executive Officer, General Manager of Group Sustainability Management Office, CSO, Nippon Sanso Holdings Corporation; Senior Managing Executive Officer, Head of Technological Affairs Unit, Leader of KAITEKI Promotion Committee, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2026	Senior Executive Officer, General Manager of Group Sustainability Management Office, CSO (current)

Yutaka Okuda

Senior Executive Officer,
Senior Executive Officer, Nippon Sanso Corporation

Career

Career

April 1986	Joined Kokusai Electric Co., Ltd. (now Kokusai Denki Electric Inc.)
February 1998	Joined Nippon Philips Co. Ltd. (now Philips Japan, Ltd.)
January 2006	General Manager of Legal Affairs Department, Philips Japan, Ltd.
June 2008	Joined the Company, Deputy General Manager of Legal Affairs Department, General Affairs Division
April 2012	General Manager of Legal Affairs Department, General Affairs Division
July 2015	General Manager of Legal Affairs Department
October 2020	Officer of Group Legal Office, Nippon Sanso Holdings Corporation; General Manager of Legal Affairs Department, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2022	Executive Officer, Executive General Manager of Group Legal, Nippon Sanso Holdings Corporation; General manager of Legal Affairs Division, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
June 2024	Senior Executive Officer, Executive General Manager of Group legal, Nippon Sanso Holdings Corporation; General Manager of Legal Affairs Division, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) (current)

Kazuhiko Nishikawa

Senior Executive Officer

Career

Career

April 1986	Joined Mitsubishi Chemical Industries Limited (now Mitsubishi Chemical Corporation)
January 2013	Manager of Regal Affairs Group, Administration Office, Mitsubishi Chemical Holdings Corporation (now Mitsubishi Chemical Group Corporation)
April 2017	Board Chairman & President, Mitsubishi Chemical Holdings (Beijing) Co., Ltd.
April 2018	Associate Director, General Manager of Administration Department, Mitsubishi Chemical Corporation
April 2021	President and Chief Executive Officer, Dia Rix Corporation
May 2023	Joined the Company
June 2023	Executive Officer, CCO & Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) GCCO, with responsibility for groupwide internal control
April 2025	Senior Executive Officer, Nippon Sanso Holdings Group CCO & Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) GCCO, with responsibility for groupwide internal control (current)

Koichiro Kubo

Executive Officer

Career

Career

April 1989	Joined the Company
October 2004	Treasurer, Matheson Tri-Gas, Inc (now Nippon Sanso Matheson, Inc.)
April 2014	General Manager, Corporate Planning, Corporate Planning & Global Operations
October 2020	Senior General Manager, Corporate ＆ Business Planning, Group Corporate Planning
April 2023	Senior General Manager, Group Corporate Planning
June 2024	Executive officer, Executive General Manager, Group Corporate Planning
April 2025	Executive Officer, Executive General Manager of Group Corporate Planning office
April 2026	Executive Officer, Executive General Manager of Group Corporate Finance and Accounting, CFO (current)

Masayoshi Omichi

Executive Officer

Career

Career

April 1990	Joined the Company
July 2005	Sales Director, Nippon Sanso Taiwan, Inc.
June 2019	General Director, Vietnam Japan Gas Joint Stock Company (now Nippon Sanso Vietnam Joint Stock Company)
October 2023	Senior General Manager of Corporate & Business Planning of Group Corporate Planning
June 2024	Executive Officer, Senior General Manager of Corporate & Business Planning of Group Corporate Planning
April 2025	Executive Officer, Executive General Manager of Group Business Promotion office (current)

Teiichiro Sawa

Executive Officer

Career

Career

April 1991	Joined the Company
October 2004	Vice President, Dalian Taiyo Nippon Sanso Gas Co., Ltd (now Nippon Sanso (Dalian) Gas Co., Ltd.)
July 2011	President, Shanghai Taiyo Nippon Sanso Gas Co., Ltd (now Nippon Sanso (Shanghai) Gas Co., Ltd.)
January 2014	General Manager, Planning Dept. Overseas Operations Div. Industrial Gases
April 2016	Executive Director, Leeden National Oxygen Ltd. (now Nippon Sanso Singapore Ltd.)
April 2023	Managing Director, Leeden National Oxygen Ltd. (now Nippon Sanso Singapore Ltd.)
June 2024	Executive Officer, Managing Director, Leeden National Oxygen Ltd. (now Nippon Sanso Singapore Ltd.)
April 2025	Executive Officer, Executive General Manager of Group Business Management office
April 2026	Executive Officer, Executive General Manager of Group Corporate Management office (current)

Toshiyuki Aida

Executive Officer

Senior Executive officer, Nippon Sanso Corporation

Career

Career

April 1982	Joined the Company
September 2000	Sales Director, Nippon Sanso Taiwan, Inc.
March 2005	Vice President, Taiyo Nippon Sanso Trading (Shanghai) Co., Ltd. (now Nippon Sanso (Shanghai) Electronic Materials Co., Ltd.)
April 2008	General Manager, Overseas Sales Dept., Overseas Sales Div., Electronics
May 2010	President, Yangzhou Taiyo Nippon Sanso Semiconductor Gases Co., Ltd. (now Nippon Sanso (Yangzhou) Electronic Materials Co., Ltd.)
December 2015	President, Taiyo Nippon Sanso (China) Investment Co., Ltd. (now Nippon Sanso Holdings (China) Co., Ltd.)
April 2019	General Manager, Kyushu Branch
June 2020	Executive Officer, General Manager, Kyushu Branch
April 2022	Executive Officer, Deputy Executive General Manager, Electronics Unit, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2023	Senior Executive Officer, Executive General Manager, Electronics Unit, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2025	Senior Executive officer, Executive General Manager of Electronics Unit, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation) as primary responsibilities Executive officer, Senior General Manager, Total Electronics Strategy of Group Business Promotion office concurrently
April 2026	Senior Executive Officer, Executive General Manager, Electronics Unit, Nippon Sanso Corporation as primary responsibilities, Executive Officer, in charge of Electronics strategic projects, Group Business Promotion office concurrently (current)

Kimitaka Koga

Executive Officer

Career

Career

April 1992	Joined the Company
June 2014	General Manager, Overseas On-Site Development Dept., On-Site & Plant
July 2016	General Manager, Development Dept., On-Site Div., On-Site & Plant
April 2017	General Manager, Planning & Administration Dept., Engineering
April 2021	General Manager, Planning & Administration Dept., Plant Engineering Center, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2022	General Manager, Kyushu Branch, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2023	Executive Officer, General Manager, Kyushu Branch, Taiyo Nippon Sanso Corporation (now Nippon Sanso Corporation)
April 2025	Executive officer, Executive Project Manager, Global ASU Engineering Enhancing Project of Group Business Promotion (current)

Cesar Callejo

Executive Officer

Career

Career

January 2008	Iberia SAP Managing Director, Hewlett Packard Enterprise Company
January 2011	EMEA SAP Services Director, Hewlett Packard Enterprise Company
April 2014	IT Applications Director, Praxair Euroholding S.L. (now Nippon Sanso Euro-Holdings S.L.U.)
January 2018	Chief Information Officer, Nippon Gases Euro-holding S.L.U. (now Nippon Sanso Euro-Holdings S.L.U.)
January 2022	Chairman, Information Security Council, Nippon Sanso Holdings Corporation, Chief Information Officer, Nippon Gases Euro-holding S.L.U. (now Nippon Sanso Euro-Holdings S.L.U.)
April 2025	Chief Information Officer, Chairman, Information Security Council
April 2026	Executive Officer, Chief Information Officer, Executive General Manager, Group IT Strategy office and Chairman, Global Information Security Council