Officers

As of January 1, 2025

Board of Directors
Corporate Auditors
Executive Officers

Board of Directors

Representative Director, Chairman of the Board

Tetsuya Okamura

Apr. 1980: Joined the Company

Apr. 2008: Managing Director & CEO of Demag Ergotech GmbH

Jun. 2012: Senior Vice President of the Company

Apr. 2018: Executive Vice President

Jun. 2018: Director, Executive Vice President

Apr. 2020: Representative Director, Senior Executive Vice President

Apr. 2021: Representative Director, Senior Executive Vice President and Chief Information Officer

Apr. 2022: Representative Director, Chairman of the Board

Representative Director, President and CEO

Shinji Shimomura

Apr. 1982: Joined the Company

Apr. 2014: Vice President of the Company

Apr. 2015: Senior Vice President

Apr. 2016: Representative Director, President and CEO of Sumitomo(S.H.I.) Construction Machinery Co., Ltd.

Jun. 2016: Director, Senior Vice President of the Company

Apr. 2018: Director, Executive Vice President

Apr. 2019: Representative Director, President and CEO

Representative Director, Executive Vice President

Eiji Kojima

Apr. 1984: Joined the Company

Apr. 2016: Senior Vice President

Jun. 2017: Director, Senior Vice President

Apr. 2021: Director, Executive Vice President

Apr. 2022: Representative Director, Executive Vice President

Director, Executive Vice President

Kazuo Hiraoka

Curriculum Vitae

Apr. 1985: Joined the Company

Apr. 2015: Vice President

Apr. 2016: Senior Vice President

Jun. 2020: Director, Executive Vice President

Director, Executive Vice President

Toshihiko Chijiiwa

Curriculum Vitae

Apr. 1984: Joined the Company

Apr. 2017: Vice President

Apr. 2020: Senior Vice President

Apr. 2022: Executive Vice President

Jun. 2022: Director, Executive Vice President

Director, Executive Vice President and CFO

Toshiro Watanabe

Curriculum Vitae

Apr. 1986: Joined the Company

Apr. 2020: Vice President

Apr. 2022: Senior Vice President

Jun. 2022: Director, Senior Vice President

Jan. 2024: Director, Executive Vice President and CFO

Director, Executive Vice President

Tatsuro Araki

Curriculum Vitae

Apr. 1986: Joined the Company

Apr. 2013: President of SEISA Gear, Ltd.

Apr. 2018: Vice President of the Company

Apr. 2021: Senior Vice President

Mar. 2023: Director, Senior Vice President

Jan. 2024: Director, Executive Vice President

Outside Director

Susumu Takahashi

Curriculum Vitae

Feb. 2004: Counselor of The Japan Research Institute, Limited

Aug. 2005: Director General for Economic Research, Cabinet Office

Aug. 2007: Vice Chairman of The Japan Research Institute, Limited

Jun. 2011: Chairman of The Japan Research Institute, Limited

Jun. 2014: Director of the Company

Apr. 2018: Chairman Emeritus of The Japan Research Institute, Limited

Outside Director

Akio Hamaji

Curriculum Vitae

Apr. 2015: Executive Vice President of Mitsubishi Materials Corporation

Apr. 2016: President of Mitsubishi Aluminum Company, Ltd.

Dec. 2019: Outside Director of Japan Best Rescue System Co., Ltd.

Jun. 2020: Outside Director of the Company

Outside Director

Sumie Morita

Curriculum Vitae

Apr. 1983: Joined Fujitsu Limited

Apr. 2014: Chief Research Officer, Manufacturing Technology Laboratory of Fujitsu Laboratories Ltd.

Nov. 2015: Chief Research Officer, Software Research Laboratory of Fujitsu Laboratories Ltd.
Senior Director, Common Software Technology Department, Fujitsu Limited

Jan. 2018: Chief Manager of Air Conditioning System Development Department, Fujitsu General Limited

Apr. 2019: Corporate Executive of Fujitsu General Limited (in charge of Air Conditioning System Development)

Apr. 2022: Professor, Department of Information and Computer Science, Faculty of Systems Science and Technology, Akita Prefectural University

Mar. 2023: Outside Director of the Company

Outside Director

Yaeko Hodaka

Curriculum Vitae

Apr. 1992: Registered as attorney-at-law, Joined Ishii Law Office

Jan. 2005: Joined Morrison & Foerster

Jan. 2011: Partner and attorney-at-law of Baker & McKenzie (Gaikokuho Joint Enterprise)

Sep. 2020: Fellow, Centre for the Fourth Industrial Revolution Japan

Jun. 2021: Outside Corporate Auditor of the Company

Apr. 2023: Partner and attorney-at-law of Isshiki & Partners

Mar.2024: Outside Director of the Company

Corporate Auditors

Standing Corporate Auditor

Hideo Suzuki

Curriculum Vitae

Apr. 1982: Joined the Company

Jun. 2014: Senior Vice President

Apr. 2018: Executive Vice President

Jun. 2018: Director, Executive Vice President

Apr. 2019: Director, Executive Vice President and CFO

Apr. 2022: Director

Jun. 2022: Auditor

Standing Corporate Auditor

Shoji Uchida

Curriculum Vitae

Apr. 1981: Joined the Company

Apr. 2013: Director and General Manager of ASEAN Business Headquarter of Sumitomo (S.H.I.) Construction Machinery Co., Ltd.

Jun. 2013: Director and General Manager of ASEAN Business Headquarter of Sumitomo (S.H.I.) Construction Machinery Co., Ltd.
President Director, PT. Sumitomo S.H.I. Construction Machinery Indonesia

Apr. 2018: Managing Director of Sumitomo (S.H.I.) Construction Machinery Sales Co., Ltd.

Jun. 2021: Corporate Auditor of Sumitomo Construction Machinery Co., Ltd.,

Mar. 2023: Auditor

Outside Corporate Auditor

Masaichi Nakamura

Curriculum Vitae

Apr. 1987: Registered as Certified Public Accountant

Jul. 2014: Representative Partner and Vice President of Ernst & Young ShinNihon LLC

Sep. 2016: Established Masaichi Nakamura CPA Office

Jun. 2017: Outside Auditor of the Company

Outside Corporate Auditor

Mio Minaki

Curriculum Vitae

Oct.2003: Prosecutor of the Tokyo District Public Prosecutors Office

Apr.2004: Prosecutor of the Osaka District Public Prosecutors Office

Apr.2005: Prosecutor of the Fukuoka District Public Prosecutors Office

Apr.2014: Litigation Department Attorney of Ministry of Justice Fukuoka Legal Affairs Bureau

Apr.2016: Prosecutor of the Tokyo District Public Prosecutors Office

Apr.2019: Partner and attorney-at law of Minaki and Kitazawa Law Office

Mar.2024: Outside Auditor at the company

Outside Corporate Auditor

Hajime Watanabe

Curriculum Vitae

Apr.1987: Joined Yokogawa Electric Corporation

Apr.2014: Vice President, Head of Audit and Compliance Headquarters of Yokogawa Electric Corporation

Apr.2016: Vice President, Head of Corporate Administration Headquarters of Yokogawa Electric Corporation

Apr.2018: Vice President, Head of Audit, Compliance and Quality Assurance Headquarters of Yokogawa Electric Corporation

Jun.2020: Standing Corporate Auditor of Yokogawa Electric Corporation

Jun.2024: Executive Advisor of Yokogawa Electric Corporation

Mar.2025: Outside Auditor at the company

Executive Officers

President and CEO	Shinji Shimomura
Executive Vice President	Toshiharu Tanaka General Manager of Corporate Economic Security Department, General Manager of Globalization Department
Executive Vice President	Kazuo Hiraoka General Manager of Industrial Machinery Segment
Executive Vice President	Taiji Tsuchiya General Manager of Mechatronics Segment
Executive Vice President	Eiji Kojima General Manager of Export Administration Department; General Manager, Energy & Lifeline Segment
Executive Vice President	Toshihiko Chijiiwa General Manager of Corporate Technology Management Group
Executive Vice President	Tatsuro Araki General Manager of Power Transmission & Controls Group
Executive Vice President and CFO	Toshiro Watanabe
Executive Vice President	Shaun Dean Managing Director of Sumitomo Heavy Industries (Europe) B.V.
Senior Vice President	Morihiro Kondo Regional General Manager of Kansai Office; Chairman of Sumitomo Heavy Industries (China), Ltd.
Senior Vice President	Shigeru Tajima General Manager of Process Machinery Center; Representative Director & President of Sumitomo Heavy Industries Process Equipment Co., Ltd.
Senior Vice President	Kazutoshi Shiraishi General Manager of Human Resources Group
Senior Vice President	Mitsukuni Tsukihara Representative Director, President & CEO of Sumitomo Heavy Industries Ion Technology Co., Ltd.
Senior Vice President	Haruhiko Tsuzuki General Manager of Ehime Works; General Manager, Logistics & Construction Segment
Senior Vice President	Masaki Arai General Manager of Corporate Planning Group
Vice President	Takanori Nagai Representative Director, President & CEO of Sumitomo Heavy Industries Environment Co., Ltd.
Vice President	Melvin Porter LBCE Holdings, Inc. Chairman, Director, President CEO
Vice President	Yoichi Kato General Manager of Energy & Environment Group
Vice President	Isamu Mitsuhashi Representative Director, President & CEO of Sumitomo Construction Machinery Co.,Ltd.; Representative Director, President & CEO of Sumitomo Construction Machinery Sales Co.,Ltd.
Vice President	Hiroyuki Tominaga General Manager of New Business Exploration Department
Vice President	Chie Okamoto General Manager of Precision Equipment Group