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

Yoshihito Sasaki

Apr. 1984

Joined the Corporation

Apr. 2017

Executive Officer

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)

Jun. 2025

Representative Director (incumbent)


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

Representative Director
Executive Vice President

Yasuo Morita

Apr. 1982

Joined the Corporation

Mar. 2018

Executive Officer

Apr. 2019

Senior General Manager-in-Charge of Building Construction Division at Tokyo Main Office

Apr. 2021

Head of Tohoku Branch Office

Apr. 2023

Managing Executive Officer
Head of Building Construction Division (incumbent)

Apr. 2024

Senior Managing Executive Officer
Head of Safety Division

Apr. 2025

Executive Vice President (incumbent)


Responsible for overall safety and building construction
Head of Building Construction Division, and responsible for Environmental Management 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

Jun. 2026

External Director of the Board of JVCKENWOOD Corporation (incumbent)


Significant concurrent position:
Outside Director, Audit and Supervisory Committee Member of TOHO CO., LTD.
External Director of the Board of JVCKENWOOD Corporation

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 (current Sony Group 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

Jun. 2023

Advisor of UNITIKA LTD.

Jun. 2024

Independent Director of the Corporation (incumbent)

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

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.

Independent Director (*1)

Midori Tomita

Apr. 1984

Joined Sony Corporation (current Sony Group Corporation)

Jul. 2011

Vice President of Sony Corporation

Apr. 2012

Senior Vice President of Strategy Division, Sony Mobile Communications Inc.

Nov. 2014

Vice President of UX, Product Strategy, Sales & Marketing Group, Sony Corporation (current Sony Group Corporation)

Apr. 2016

Vice President of Brand Design Platform, Sony Corporation

Nov. 2016

Vice President of Brand Design Platform, Sony Corporation and Director of FRONTAGE INC.

Mar. 2017

Vice President of Brand Design Platform, Sony Corporation, Director of FRONTAGE INC. and Director of Sony Enterprise Co., Ltd.

Jun. 2021

Representative Director of Sony Pictures Entertainment (Japan) Inc., Representative Director of Animax Broadcast Japan Inc. and Representative Director of Kids Station Inc.

Apr. 2022

Director of Shohoku College, Sony Institute of Higher Education (incumbent)

Jun. 2026

Independent Director of the Corporation (incumbent)


Significant concurrent position:
Director of Shohoku College, Sony Institute of Higher Education

*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

Yoshiaki Takata

Apr. 1987

Joined the Corporation

Apr. 2013

General Manager of General Administration Department at Tohoku Branch Office

Apr. 2016

General Manager of Accounting Department at Head Office

Apr. 2026

Advisor

Jun. 2026

Standing Audit & Supervisory Board Member (incumbent)

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)

Outside Audit & Supervisory Board Member (*2)

Yohei Ueda

Apr. 1984

Joined the Ministry of Construction

Apr. 1995

First Secretary of Embassy of Japan in Germany at the Ministry of Foreign Affairs

Jun. 2003

Director for Development Promotion of Waterfront Development Division, Bureau of Waterfront Development at Tokyo Metropolitan Government

Aug. 2004

Director for Coordination of Headquarters of the Governor of Tokyo at Tokyo Metropolitan Government

Jul. 2006

Director for Special Areas Development of City and Regional Development Bureau at the Ministry of Land, Infrastructure, Transport and Tourism "MLIT"

Jul. 2007

Director of Urban Administration Department, Kanto Regional Development Bureau at the Ministry of Land, Infrastructure, Transport and Tourism "MLIT"

Jul. 2008

Director of General Affairs Department, Kyusyu Regional Development Bureau at the Ministry of Land, Infrastructure, Transport and Tourism "MLIT"

Apr. 2010

Director for PPP/PFI Promotion Office at Cabinet Office

Oct. 2012

Director of General Affairs Division, Land Economy and Construction and Engineering Industry Bureau at the Ministry of Land, Infrastructure, Transport and Tourism "MLIT"

Jul. 2015

Deputy General Manager of Management Business Headquarters at East Nippon Expressway Co., Ltd.

Jun. 2016

Deputy Director-General of Kanto Regional Development Bureau at the Ministry of Land, Infrastructure, Transport and Tourism "MLIT"

Nov. 2018

Managing Executive Officer of Japan Federation of Construction Contractors

Jun. 2021

Executive Director of Japan Federation of Construction Contractors

Jan. 2024

Chairman of Board of Japan Construction Training Center (incumbent)

Jun. 2026

Outside Audit & Supervisory Board Member of the Corporation (incumbent)


Significant concurrent position:
Chairman of Board of Japan Construction Training Center

Outside Audit & Supervisory Board Member (*2)

Sachiko Tsujino

Apr. 1989

Joined Chemical Bank (current JPMorgan Chase Bank, N.A.) at Tokyo Branch

Apr. 1992

Joined Masuda and Ejiri Law Office (current Asahi Law Offices)

Oct. 1994

Joined Century Audit Corporation (current KPMG AZSA LLC)

Apr. 1998

Registered as Certified Public Accountant

May. 2009

Partner of KPMG AZSA LLC

Apr. 2024

Specially Appointed Professor of Chuo University Faculty of Commerce (incumbent)

Jun. 2026

Outside Audit & Supervisory Board Member of the Corporation (incumbent)


Significant concurrent position:
Specially Appointed Professor of Chuo University Faculty of Commerce

*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

Hironobu Kawakami

Head of Technology Division, and responsible for Business Innovation Division

Executive Vice President

Yoshihito Sasaki

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

Executive Vice President

Yasuo Morita

Responsible for overall safety and building construction
Head of Building Construction Division, and responsible for Environmental Management Division

Executive Vice President

Motoi Yano

Head of Tokyo Main Office

Senior Managing Executive Officer

Kazuyuki Goto

Senior General Manager of Building Construction Division (responsible for mechanical & electrical)

Senior Managing Executive Officer

Kenichi Ando

Responsible for overall carbon neutral
Head of Nuclear Facilities Division

Senior Managing Executive Officer

Shigeru Edatsune

Head of Procurement Division, and Senior General Manager of Civil Engineering Construction Division, and Senior General Manager of Building Construction Division

Senior Managing Executive Officer

Mitsuaki Sadatoshi

Head of Marketing Division

Senior Managing Executive Officer

Hidefumi Takenaka

Head of Osaka Main Office, and Head of Building Construction Division at Osaka Main Office

Managing Executive Officer

Hiromitsu Kato

Head of North American Regional Headquarters

Managing Executive Officer

Futoshi Takahashi

Senior General Manager of Marketing Division

Managing Executive Officer

Toshiro Kito

Head of Hiroshima Branch Office

Managing Executive Officer

Tetsuya Kurebayashi

Head of Digital Transformation Division

Managing Executive Officer

Kimihiko Sato

Head of Real Estate Development Division

Managing Executive Officer

Kojiro Nitta

Head of Yumeshima Development Division at Osaka Main Office

Managing Executive Officer

Osamu Yoshizaki

Senior General Manager of Civil Engineering Construction Division

Managing Executive Officer

Ryuji Kitaoka

Head of Safety Division

Managing Executive Officer

Kazutoshi Mitsui

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development)

Managing Executive Officer

Kazuhisa Sugiyama

Head of Civil Engineering Construction Division at Tokyo Main Office

Managing Executive Officer

Toshio Suzuki

President, Obayashi Facilities Corporation

Managing Executive Officer

Takayuki Tomioka

Responsible for Corporate Strategy Division, and Corporate Communications Department, and Secretarial Department, and General Administration Department, and General Manager of Corporate Strategy Division

Managing Executive Officer

Koji Furuse

Responsible for Harassment Prevention Department, and Legal Department, and Human Resources Department, and Finance Department, and Accounting Department, and Senior General Manager at Tokyo Main Office (responsible for project administration)

Managing Executive Officer

Takayuki Akiyama

Head of Nagoya Branch Office

Managing Executive Officer

Yasuyuki Onishi

Head of Civil Engineering Construction Division at Osaka Main Office, and Senior General Manager of Yumeshima Development Division at Osaka Main Office

Managing Executive Officer

Naoyuki Suzuki

Head of Tohoku Branch Office

Managing Executive Officer

Jun Nakamura

Head of Architectural Design & Engineering Division

Managing Executive Officer

Katsunori Hanato

Head of Building Construction Division at Tokyo Main Office

Managing Executive Officer

Lee Aik Seng

Head of Asia-Pacific Regional Headquarters
CEO, Obayashi Singapore Private Limited

Managing Executive Officer

Hiroshi Kondo

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for construction projects), and Senior Project Director of M Project General Construction work office at Tokyo Main Office, and Senior Project Director of Shinagawa Station North Area General Project Office at Tokyo Main Office

Executive Officer

Atsushi Takeuchi

Head of Engineering Division

Executive Officer

Shinobu Yamanaka

Senior General Manager of Marketing Division

Executive Officer

Hajime Onojima

Head of Technology Research Institute, and Senior General Manager of Technology Division

Executive Officer

Ryuichi Yanagawa

Head of Kyoto Branch Office

Executive Officer

Ikuo Okuwaki

Senior General Manager of Civil Engineering Construction Division

Executive Officer

Tsuyoshi Ito

Senior General Manager of Marketing Division

Executive Officer

Akio Inoue

Head of Construction Robotics Division

Executive Officer

Takuji Imagawa

Head of Yokohama Branch Office

Executive Officer

Kenji Okamura

Head of Shikoku Branch Office

Executive Officer

Shinji Nishikawa

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for business development)

Executive Officer

Masato Yanou

Head of Kanto Branch Office

Executive Officer

Hiroshi Abe

Head of Hokuriku Branch Office

Executive Officer

Shinya Urakawa

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development)

Executive Officer

Ikuo Takeuchi

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

Executive Officer

Katsuhito Yamaura

Senior General Manager of Civil Engineering Construction Division at Tokyo Main Office

Executive Officer

Ayako Kameda

Head of Green Energy Division

Executive Officer

Tsutomu Arai

Senior General Manager of Architectural Design & Engineering Division

Executive Officer

Go Ando

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development)

Executive Officer

Mitsuhiro Urata

Head of Kobe Branch Office

Executive Officer

Takayuki Kimura

Head of Sapporo Branch Office

Executive Officer

Yuichiro Sakai

Senior General Manager of North American Regional Headquarters

Executive Officer

Takeshi Sano

Senior General Manager of Technology Division, and General Manager of Division Head Office of Technology Division

Executive Officer

Masaki Takagi

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for construction projects), and Senior Project Director of Yumeshima General Project Office at Osaka Main Office

Executive Officer

Hiroyuki Nishigami

Senior General Manager of Civil Engineering Construction Division, and General Manager of Division Head Office of Civil Engineering Construction Division

Executive Officer

Pornchai Sittiyakorn

Authorized Director & President, Thai Obayashi Corporation Limited

Executive Officer

Kuniyasu Adachi

Senior General Manager of Civil Engineering Construction Division, and Senior General Manager of Marketing Division

Executive Officer

Koji Ueno

Senior General Manager of Civil Engineering Construction Division at Tokyo Main Office

Executive Officer

Kinya Kubota

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

Executive Officer

Kenji Kozuki

Head of Civil Engineering Technology Division

Executive Officer

Tadashi Satonaka

Senior General Manager of Nagoya Branch Office

Executive Officer

Yasutaka Seta

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for business development)

Executive Officer

Motoharu Tsuchiyama

Head of Kyushu Branch Office

Executive Officer

Atsushi Nakagawa

Managing Director and COO, Obayashi Singapore Private Limited

Executive Officer

Satoshi Nishiwaki

Senior General Manager of Architectural Design & Engineering Division

Executive Officer

Yasuhiro Hasegawa

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for construction projects)

Executive Officer

Yohei Yamaguchi

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development)

Fellow

Fellow

Shigeru Kojima

Fellow of Civil Engineering Construction Division

Fellow

Koji Kohirata

Fellow of Civil Engineering Construction Division

Fellow

Akira Naito

Fellow of Civil Engineering Construction Division

Back to Top