CORPORATE INFORMATION
LIST OF COMPANY OFFICERS
Directors
Representative Director and President
Masakazu Hosokawa
brief personal history
- Apr. 1987
- Joined the Company
- Apr. 2011
- Civil Engineering Department of West Japan Regional Headquarters
- Apr. 2014
- General Manager of Corporate Planning Department
- Apr. 2017
- Regional General Manager of Chugoku Branch, West Japan Regional Headquarters
- Apr. 2019
- Executive Officer; General Manager of New Business Division
- Apr. 2021
- Executive Officer; General Manager of Environment and Energy Business Management Division
- Apr. 2023
- Managing Officer; General Manager of Regional Environment Solution Division
- Apr. 2024
- Executive Vice President
- Jun. 2024
- Representative Director and President; Chief Executive Officer and President (to present)
Representative Director
Makoto Isshiki
brief personal history
- Apr. 1984
- Joined the Company
- Apr. 2014
- Executive Officer; Deputy General Manager of Civil Engineering Division; General Manager of Civil Engineering Business Planning Department
- Apr. 2016
- Senior Managing Officer; General Manager of Civil Engineering Division
- Jun. 2016
- Director, Senior Managing Officer; General Managerof Civil Engineering Division
- Apr. 2018
- Representative Director and Executive Vice President; General Manager of Civil Engineering Division
- Apr. 2019
- Representative Director and Executive Vice President; General Manager of Civil Engineering Division; In charge of New Businesses
- Apr. 2020
- Representative Director and Executive Vice President; General Manager of Civil Engineering Division; General Manager of Safety,Environment & Quality Division; In charge of New Businesses
- Apr. 2021
- Representative Director and Executive Vice President; General Manager of Civil Engineering Division; General Manager of Safety,Environment & Quality Division; ; In charge of Environment and Energy Business Management
- Apr. 2022
- Representative Director; Executive Vice President; General Manager of Civil Engineering Division; General Manager of Safety & Environment Division; In charge of Environment and Energy Business Management
- Apr. 2023
- Representative Director; Executive Vice President; General Manager of Civil Engineering Division; General Manger of Safety & Environment Division
- Apr. 2025
- Representative Director; Executive Vice President; In charge of Corporate Unit(to present)
Director
Osamu Shibui
brief personal history
- Apr. 1985
- Joined the Company
- Apr. 2010
- General Manager of Corporate Planning Unit
- Apr. 2012
- General Manager of Corporate Planning Department
- Apr. 2013
- General Manager of Human Resource Department
- Apr. 2015
- Executive Officer; Chief of the President Office
- Apr. 2020
- Managing Officer; Chief of the President Office
- Apr. 2023
- Managing Officer; General Manager of Corporate Strategy Unit
- Apr. 2025
- Senior Managing Officer; General Manager of Management Unit
- Jun. 2025
- Director; Senior Managing Officer; General Manager of Management Unit (to present)
Director
Shinsuke Hamasaki
brief personal history
- Apr. 1983
- Joined the Company
- Apr. 2012
- General Manager of Building Department, Kyushu Regional Headquarters
- Apr. 2013
- General Manager of Building Planning Department, Kyushu Regional Headquarters
- Apr. 2016
- Deputy General Manager of Kyushu Regional Headquarters
- Apr. 2018
- Deputy General Manager of West Japan Regional Headquarters
- Apr. 2019
- Executive Officer; General Manager of North Japan Regional Headquarters
- Apr. 2025
- Managing Officer; General Manager of Corporate Strategy Unit
- Jun. 2025
- Director; Managing Officer; General Manager of Corporate Strategy Unit (to present)
Audit and Supervisory Committee Members
Director (Audit and Supervisory Committee Member) (Full-Time)
Hideyuki Kawano
brief personal history
- Apr. 1987
- Joined the Company
- Apr. 2017
- General Manager of Human Resource Department
- Apr. 2021
- Deputy General Manager of Management Division; General Manager of Human Resource Department
- Apr. 2023
- General Manager of Secretariat, Audit and Supervisory Committee
- Jun. 2024
- Director (Full-time Audit and Supervisory Committee Member) (to present)
External Director (Audit and Supervisory Committee Member)
Toshihiro Kubo
brief personal history
- Jul. 2014
- Representative Director and Executive Vice President, Kubota Corporation
- Jun. 2021
- Chairman of the Osaka Federation of Health Insurance Societies (to present)
Vice Chairman, National Federation of Health Insurance Societies (to present)
- Jun. 2022
- External Director (Audit and Supervisory Committee Member) of the Company (to present)
External Director (Audit and Supervisory Committee Member)
Yayoi Ito
brief personal history
- May. 2019
- Managing Executive Officer, Corporate Planning,
UNIZO Holdings Company, Limited
- June. 2020
- Advisor, UNIZO Holdings Company, Limited
- November. 2020
- Joined SG SYSTEMS CO., LTD.
- April. 2021
- Executive Officer, in charge of Corporate Planning,
SG SYSTEMS CO., LTD.
- June. 2021
- Outside Director, KANADEN CORPORATION (to present)
- June. 2021
- Outside Director, SUMIKEN MITSUI ROAD CO.,LTD.
- Jun. 2023
- Outside Director, JAPAN POST HOLDINGS Co., Ltd. (to present)
- Jun. 2023
- External Director (Audit and Supervisory Committee Member) of the Company (to present)
External Director (Audit and Supervisory Committee Member)
Hajime Oshita
brief personal history
- Apr. 1982
- Joined NKK Corporation
- Apr. 2012
- Vice President; Manager of Corporate Planning Department, JFE Engineering Corporation
- Apr. 2014
- Senior Vice President; General Manager of Aqua Solution Department, JFE Engineering Corporation
- Apr. 2015
- Director and Senior Vice President; General Manager of Overseas Supervising Department, JFE Engineering Corporation
- Apr. 2016
- Representative Director and Senior Vice President of JFE Engineering Corporatio
- Mar. 2017
- Representative Director, President and CEO of JFE Engineering Corporation
- Jun. 2017
- Director, JFE Holdings, Inc.
- Apr. 2024
- Special Advisor of JFE Engineering Corporation (to present)
- Jun. 2024
- External Director (Audit and Supervisory Committee Member) of the Company (to present)
External Director (Audit and Supervisory Committee Member)
Misako Kikuchi
brief personal history
- Apr. 1984
- Joined MITSUI & CO., LTD.
- May. 2001
- General Manager of Public Relations Department, Corporate Communications Division, MITSUI & CO., LTD.
- Apr. 2006
- General Manager of Corporate Branding & Communications Department, CSR Promotion Division, and Diversity Promotion Department, Human Resources and General Affairs Division, MITSUI & CO., LTD.
- Jun. 2009
- General Manager of Global Environment Department, Environmental-Social Contribution Division, MITSUI & CO., LTD.
- Apr. 2015
- General Manager of Environmental-Social Contribution Division, MITSUI & CO., LTD.
- Oct. 2018
- President and Representative Director, Mitsui Bussan Forest Co., Ltd. (resigned in June 2022)
- Apr. 2022
- Auditor, St. Luke's International University (to present)
- Jun. 2022
- Outside Director, KOMERI Co., Ltd. (to present)
- Jun. 2022
- Outside Director, OKAMURA CORPORATION (to present)
- Jun. 2025
- External Director (Audit and Supervisory Committee Member) of the Company (to present)
Executive Officers
Chief Executive Officer and President
Masakazu Hosokawa
Executive Vice President
Makoto Isshiki
Senior Managing Officer
Kazutoyo Hamada
Senior Managing Officer
Noboru Matsutomo
Senior Managing Officer
Masakazu Nanba
Senior Managing Officer
Osamu Shibui
Senior Managing Officer
Takafumi Inoue
Managing Officer
Takuo Yoshida
Managing Officer
Takashi Kuroda
Managing Officer
Hiroyuki Kawataki
Managing Officer
Shinsuke Hamasaki
Executive Officer
Hiroki Kimura
Executive Officer
Keiji Hashisako
Executive Officer
Kazutoshi Narita
Executive Officer
Seigo Yamamoto
Executive Officer
Katsuzo Honda
Executive Officer
Koji Ishiyama
Executive Officer
Hiromi Tsuboi
Executive Officer
Hisashi Torii
Executive Officer
Hitoshi Kususako
Executive Officer
Masanori Ishii
Executive Officer
Humihide Takano
Executive Officer
Kouichi Oniki
Executive Officer
Makoto Nomura
Executive Officer
Atsuro Munezawa
Executive Officer
Ichita Tkahashi
Executive Officer
Osamu Yanagisawa
Executive Officer
Kouzo Kusano
Executive Officer
Eiichi Sakuma
Executive Officer
Junichi Usuki