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Corporate Officers

Corporate Officers

Members of the Board

Chairman of the Board

Takeo Obayashi

Apr. 1977	Joined the Corporation
Jun. 1983	Director
Jun. 1985	Managing Director
Jun. 1987	Senior Managing Director
Jun. 1989	Executive Vice President
Jun. 1997	Vice Chairman
Jun. 2003	Chairman
Jun. 2007	Director
Jun. 2009	Chairman Representative Director
Apr. 2023	Chairman of the Board (incumbent)

Representative Director
President and CEO

Toshimi Sato

Apr. 1985	Joined the Corporation
Jan. 2011	Senior General Manager of North American Regional Headquarters at Overseas Business Division
Apr. 2013	General Manager of Finance Department at Head Office
May. 2015	General Manager of Corporate Management Planning Department at Head Office
Apr. 2017	Executive Officer
Jun. 2018	Director
Apr. 2019	Managing Executive Officer
Apr. 2022	Senior Managing Executive Officer
Apr. 2023	Executive Vice President
Apr. 2024	Representative Director (incumbent)
Apr. 2025	President and CEO (incumbent)

Representative Director
Executive Vice President

Atsushi Sasagawa

Apr. 1980	Joined the Corporation
Apr. 2015	Executive Officer Head of Yokohama Branch Office
Mar. 2018	Managing Executive Officer Head of Building Construction Division at Osaka Main Office
Apr. 2019	Senior Managing Executive Officer
Jan. 2021	Head of Marketing Division (incumbent)
Apr. 2021	Executive Vice President (incumbent) Head of Tokyo Main Office
Jun. 2021	Director
Apr. 2023	Representative Director (incumbent)

Responsible for overall building construction
Head of Marketing Division

Representative Director
Executive Vice President

Yoshihito Sasaki

Apr. 1984	Joined the Corporation
Apr. 2017	Executive Officer General Manager of Division Head Office of Civil Engineering Construction Division
Mar. 2018	Head of Civil Engineering Construction Division at Osaka Main Office
Apr. 2021	Head of Shikoku Branch Office
Apr. 2022	Managing Executive Officer
Apr. 2023	Head of Civil Engineering Construction Division (incumbent)
Apr. 2024	Senior Managing Executive Officer Senior General Manager of Safety Division
Apr. 2025	Executive Vice President (incumbent)

Responsible for overall civil engineering construction
Head of Civil Engineering Construction Division

Independent Director (*1)

Masako Orii

Apr. 1983	Joined Suntory Ltd.
Apr. 2012	Executive Officer of Suntory Holdings Limited
Apr. 2016	Senior Managing Director, Member of the Board of Suntory Wellness Limited
Apr. 2019	Advisor of Suntory Holdings Limited Executive Director of Suntory Hall, Suntory Foundation for the Arts
Jun. 2020	Independent Director of the Corporation (incumbent)
May. 2021	Outside Director, Audit and Supervisory Committee Member of TOHO CO., LTD. (incumbent)
Apr. 2025	Senior Advisor of Suntory Foundation for the Arts (incumbent)

Significant concurrent position:
Outside Director, Audit and Supervisory Committee Member of TOHO CO., LTD.

Independent Director (*1)

Hiroyuki Kato

Apr. 1979	Joined Mitsui & Co., Ltd.
Apr. 2010	Managing Officer of Mitsui & Co., Ltd.
Apr. 2012	Executive Managing Officer of Mitsui & Co., Ltd.
Jun. 2014	Representative Director, Senior Executive Managing Officer of Mitsui & Co., Ltd.
Apr. 2016	Representative Director, Executive Vice President of Mitsui & Co., Ltd.
Apr. 2018	Director of Mitsui & Co., Ltd.
Jun. 2018	Counselor of Mitsui & Co., Ltd.
Jul. 2020	Advisor of Mitsui & Co., Ltd.
Jun. 2021	Independent Director of the Corporation (incumbent)

Independent Director (*1)

Yukiko Kuroda

Apr. 1986	Joined Sony Corporation
Jan. 1991	Representative Director of People Focus Consulting Co., Ltd.
Jun. 2010	Outside Audit & Supervisory Board Member of Astellas Pharma Inc.
Mar. 2011	Outside Director of CAC Co., Ltd. (current CAC Holdings Corporation)
Apr. 2012	Managing Director/Founder of People Focus Consulting Co., Ltd.
Jun. 2013	Outside Director of Marubeni Corporation
Jun. 2015	Outside Member of the Board of Mitsui Chemicals, Inc.
Jun. 2018	Outside Director of Seven Bank, Ltd. Independent Director of Terumo Corporation
Jun. 2022	Independent Director of the Corporation (incumbent)
Aug. 2022	Outside Director of ORACLE CORPORATION JAPAN (incumbent)
Mar. 2024	Advisor/Founder of People Focus Consulting Co.,Ltd. (incumbent)
Apr. 2025	Outside Director of the Board of Sekisui House, Ltd. (incumbent)
Jun. 2025	Outside Director of Santen Pharmaceutical Co., Ltd. (incumbent)

Significant concurrent position:
Outside Director of ORACLE CORPORATION JAPAN
Outside Director of the Board of Sekisui House, Ltd.
Outside Director of Santen Pharmaceutical Co., Ltd.

Independent Director (*1)

Hiroyuki Shime

Apr. 1975	Joined UNITIKA LTD.
Apr. 2003	Executive Officer of UNITIKA LTD.
Apr. 2005	Managing Executive Officer of UNITIKA LTD.
Jun. 2008	Director, Senior Executive Officer of UNITIKA LTD.
Jul. 2012	Director, Managing Executive Officer of UNITIKA LTD.
Jun. 2014	Representative Director and President, Chief Executive Officer of UNITIKA LTD.
Jun. 2019	Representative Director Chairman of UNITIKA LTD.
Jun. 2022	Outside Auditor of DAIHEN Corporation (incumbent)
Jun. 2023	Advisor of UNITIKA LTD.
Jun. 2024	Independent Director of the Corporation (incumbent)

Significant concurrent position:
Outside Auditor of DAIHEN Corporation

Independent Director (*1)

Yoshihiro Ikegawa

Apr. 1983	Joined Mitsubishi Chemical Industries Limited (current Mitsubishi Chemical Corporation)
Apr. 2005	Managing Director of MCC PTA India Corp. Private Limited
Apr. 2014	Executive Officer of Mitsubishi Chemical Corporation
Dec. 2015	Executive Officer of Mitsubishi Chemical Holdings Corporation (current Mitsubishi Chemical Group Corporation)
Apr. 2018	Managing Corporate Executive Officer of Mitsubishi Chemical Holdings Corporation
Apr. 2019	Managing Corporate Executive Officer of Mitsubishi Chemical Holdings Corporation and Director of the Board of Mitsubishi Chemical Corporation
Apr. 2021	Representative Corporate Executive Officer and Managing Corporate Executive Officer of Mitsubishi Chemical Holdings Corporation
Apr. 2022	Executive Vice President of Mitsubishi Chemical Holdings Corporation and Representative Director, Director of the Board of Mitsubishi Chemical Corporation
Jun. 2023	Executive Consultant of Mitsubishi Chemical Corporation (incumbent)
Jun. 2024	Outside Director of Toyo Seikan Group Holdings, Ltd. (incumbent) Independent Director of the Corporation (incumbent)

Significant concurrent position:
Outside Director of Toyo Seikan Group Holdings, Ltd.

*1 Independent Director
An outside director as per Article 2, Section 15 of the Companies Act

Members of the Audit & Supervisory Board

Standing Audit & Supervisory Board Member

Eiichiro Okano

Apr. 1982	Joined the Corporation
Apr. 2019	General Manager of iPD Center at Building Construction Division
Apr. 2020	Executive Officer General Manager of Digital Integration Division
Feb. 2022	Head of Digital Transformation Division
Apr. 2022	Managing Executive Officer
Apr. 2024	Advisor
Jun. 2024	Standing Audit & Supervisory Board Member (incumbent)

Standing Audit & Supervisory Board Member

Isao Watanabe

Apr. 1982	Joined the Corporation
Dec. 2008	General Manager of General Administration Department at Tohoku Branch Office
Jan. 2011	General Manager of Public Relations Department, CSR Division
Apr. 2013	General Manager of CSR Division
May. 2015	General Manager of Secretarial Department
Apr. 2020	Senior General Manager of Kanto Branch Office
Apr. 2022	Advisor
Jun. 2022	Standing Audit & Supervisory Board Member (incumbent)

Outside Audit & Supervisory Board Member(*2)

Yoshihiro Yamaguchi

Apr. 1980	Joined the Ministry of Construction
Apr. 1991	First Secretary of the Mission of Japan to the European Community at the Ministry of Foreign Affairs of Japan
Jul. 2002	Director of Regional Development Division, City and Regional Development Bureau at the Ministry of Land, Infrastructure, Transport and Tourism "MLIT"
Apr. 2004	Director of First Development and Promotion Division, Okinawa Development and Promotion Bureau at Cabinet Office
Apr. 2005	Counselor for First Development and Promotion at Cabinet Office
Jul. 2006	Director General of Business Development Department at Metropolitan Expressway Co., Ltd
Jul. 2009	Executive Director of Research Institute of Construction and Economy "RICE"
Aug. 2012	President of Policy Research Institute for Land, Infrastructure, Transport and Tourism at the Ministry of Land, Infrastructure, Transport and Tourism "PRI"
May. 2013	Chief Executive Director of the Overseas Construction Association of Japan, Inc. "OCAJI"
Nov. 2019	Vice-president, Chief Executive Director of the Overseas Construction Association of Japan, Inc. "OCAJI"
Jun. 2022	Outside Audit & Supervisory Board Member of the Corporation (incumbent)

Outside Audit & Supervisory Board Member(*2)

Eiji Mizutani

Oct. 1981	Joined Shinwa Audit Corporation (currently KPMG AZSA LLC)
Mar. 1985	Registered as Certified Public Accountant
May. 2003	Partner at Asahi & Co. (currently KPMG AZSA LLC)
Sep. 2010	Board Member of KPMG AZSA LLC
Apr. 2011	Chairperson of Senior Review Board of KPMG AZSA LLC
Apr. 2014	General Manager of Quality Control Division of KPMG AZSA LLC
Jun. 2021	Retired from KPMG AZSA LLC Audit & Supervisory Board Member of J-OIL MILLS, INC.
Jul. 2021	Representative of Eiji Mizutani CPA Firm (incumbent)
Jun. 2022	Outside Audit & Supervisory Board Member of the Corporation (incumbent)

Significant concurrent position:
Representative of Eiji Mizutani CPA Firm

Outside Audit & Supervisory Board Member(*2)

Shinya Kuwayama

Apr. 1977	Joined the Ministry of International Trade and Industry
Jan. 2000	Director, Economic Cooperation Division, Economic Cooperation Department, Trade Policy Bureau, Ministry of International Trade and Industry
Jan. 2001	Director, Trade Finance and Economic Cooperation Division, Trade and Economic Cooperation Bureau, Ministry of Economy, Trade and Industry
Jul. 2002	Director, Personnel Division, Minister's Secretariat, Ministry of Economy, Trade and Industry
Aug. 2004	Deputy Director-General for Trade and Economic Cooperation Bureau, Ministry of Economy, Trade and Industry
Sep. 2005	Councillor, Cabinet Secretariat (assistant to Assistant Chief Cabinet Secretary)
Jul. 2008	Director-General for Regional Economic and Industrial Policy, Ministry of Economy, Trade and Industry
Jul. 2009	Retired from the Ministry of Economy, Trade and Industry
Aug. 2009	Executive Officer, Sohgo Security Services Co., Ltd. (ALSOK)
Apr. 2010	Managing Executive Officer, ALSOK
Jun. 2011	Director and Managing Executive Officer, ALSOK
Apr. 2014	Representative Director and President, ALSOK Stationed Security Co., Ltd.
Apr. 2016	Advisor, ALSOK
Jun. 2016	President, the Association for Overseas Technical Cooperation and Sustainable Partnerships
Jun. 2023	Outside Audit & Supervisory Board Member of the Corporation (incumbent)

*2 Outside Audit & Supervisory Board Member
As per Article 2, Section 16 of the Companies Act

Executive Officers

President and CEO

Toshimi Sato

Executive Vice President

Atsushi Sasagawa

Responsible for overall building construction
Head of Marketing Division

Executive Vice President

Seiji Nagai

(Co-Chairperson (Representative Director) of Kansai Keizai Doyukai (Kansai Association of Corporate Executives))

Executive Vice President

Hironobu Kawakami

Head of Osaka Main Office, and Senior General Manager of Marketing Division

Executive Vice President

Yoshihito Sasaki

Responsible for overall civil engineering construction
Head of Civil Engineering Construction Division

Executive Vice President

Yasuo Morita

Head of Building Construction Division, Head of Safety Division, and responsible for Environmental Management Division

Executive Vice President

Motoi Yano

Head of Tokyo Main Office, Head of Building Construction Division at Tokyo Main Office, and Senior General Manager of Marketing Division

Senior Managing Executive Officer

Naoki Kajita

Head of Technology Division

Senior Managing Executive Officer

Akihiro Higashide

Head of Civil Engineering Construction Division at Tokyo Main Office

Senior Managing Executive Officer

Kazuyuki Goto

Senior General Manager of Building Construction Division (responsible for mechanical & electrical, and renovation), and Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for mechanical & electrical, and renovation)

Senior Managing Executive Officer

Kenichi Ando

Head of Green Energy Division, and Senior General Manager of Marketing Division

Senior Managing Executive Officer

Shigeru Edatsune

Head of Procurement Division, Senior General Manager of Civil Engineering Construction Division, Senior General Manager of Building Construction Division, and Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for procurement)