Directors
Representative Director
President

Teruhiko Mouri
Profile
- Apr. 1988
- Joined Niigata Construction Co., Ltd.
- Apr. 2011
- General Manager, Sendai Branch Office Division-1 of the Company
- Sep. 2013
- General Manager, Chiba Branch Office Division-2 of the Company
- Jun. 2016
- Executive Officer
Senior General Manager, Project Operation Division of the Company - Jun. 2018
- Director
Executive Managing Officer
Responsible for Project Operation Division
Senior General Manager, Project Operation Division of the Company - Jul. 2019
- Director
Executive Managing Officer
Responsible for Project Operation Division
Senior General Manager, Project Operation Division of the Company - Apr. 2020
- Director
Executive Managing Officer
Responsible for Project Operation Division of the Company - Jun. 2020
- Representative Director, President of the Company
(current position)
Representative Director
Executive Vice President

Hideki UedaAssistant President
(Project Operation Division and Safety & Quality Assurance Division)
Responsible for Sales Division and Tank Engineering Division
Profile
- Apr. 1983
- Joined Koa Oil Co., Ltd.
- Jun. 2012
- General Manager, Marifu Refinery of JX Nippon Oil & Energy Corporation
- Apr. 2016
- President and Representative Director of Kawasaki Natural Gas Power Generation Co., Ltd.
- Apr. 2018
- Executive Officer
Deputy Senior General Manager, Project Division of JX Engineering Corporation - Apr. 2019
- Director
Executive Officer (Special Missions) of the above-mentioned company - Jul. 2019
- Director
Executive Managing Officer
Responsible for Sales Division, Metal & Material Facilities Project Division and Technical Service Division of the Company - Jun. 2020
- Director
Executive Managing Officer
Responsible for Sales Division, Project Operation Division, Tank Engineering Division and Technical Service Division of the Company - Jun. 2021
- Director
Executive Managing Officer
Responsible for Sales Division, Project Operation Division and Technical Service Division of the Company - Apr. 2023
- Director
Executive Vice President
Assistant President
(Project Operation Division and Safety & Quality Assurance Division)
Responsible for Sales Division and Tank Engineering Division of the Company - Jun.2025
- Representative Director
Executive Vice President (Project Operartion Division and Safety & Quality Assurance Division)
Reponsible for Sales Division and Tank Engineering Division of the Company (current position)
Director
Exective Vice President

Hiroyuki KimuraAssistant President
(Project Division and Engineering Division)
Profile
- Apr. 1986
- Joined Nippon Mining Co.
- Jun. 2015
- General Manger, Engineering Dept. of JX Nippon Oil & Energy Corporation
- Jan. 2016
- General Manger, Engineering Dept. of JX Nippon Oil & Energy Corporation
- Apr. 2017
- General Manager, Engineering & Capital Planning Dept., Refining & Manufacturing Division of JXTG Nippon Oil & Energy Corporation
- Apr. 2018
- Executive Officer
General Manager, Refining & Manufacturing Dept., Refining & Manufacturing Division of the above-mentioned company - Apr. 2020
- Senior Vice President
Responsible for Safety, Health & Environment Dept., Quality Assurance Dept. and Renewable Energy Division of the above-mentioned company - Jun. 2020
- Senior Vice President
Responsible for Safety, Health & Environment Dept., and Quality Assurance Dept. of ENEOS Holdings,Inc.
Managing Executive Officer
Responsible for Safety, Health & Environment Dept., Quality Assurance Dept., and Renewable Energy Division of ENEOS Corporation - Apr. 2021
- Senior Vice President
Responsible for Refining & Manufacturing Dept., Mechanical Engineering Dept., Engineering & Capital Planning Dept., Refineries & Plants of ENEOS Corporation - Apr. 2024
- Executive Vice President
Assistant President
(Project Division and Engineering Division) of the Company - Jun. 2024
- Director
Executive Vice President
Assistant President
(Project Division and Engineering Division) of the Company (current position)

Daisaku NakatakumaAssist President
(DX Division, Maintenance Division)
Profile
- Apr. 1982
- Joined Niigata Construction Co., Ltd.
- Jun. 2013
- General Manager, Mizushima Branch Office, Division-3 of the Company
- Apr. 2016
- Deputy Senior General Manager, Division-3 of the Company
- Jun. 2016
- Executive Officer
Senior General Manager, Division-3 of the Company - Jun. 2018
- Managing Executive Officer, Senior General Manager, Division-3 of the Company
- Apr. 2023
- Managing Executive Officer
Responsible for Maintenance Division of the Company - Apr. 2024
- Senior Managing Executive Officer
Responsible for Maintenance Division of the Company - Jun. 2024
- Director
Senior Managing Executive Officer
Responsible for Maintenance Division of the Company - Apr. 2025
- Director
Executive Vice President Assistant President (DX Division and Maintenance Division) of the Company (current position)
Director Senior Managing Executive Officer

Yutaka Sakuma
Profile
- Apr. 1987
- Joined Nippon Oil Corporation
- Jun. 2017
- General Manager, Legal Affairs Department of JXTG Holdings Corporation
- Apr. 2018
- General Manager, Legal Affairs Department of JXTG Nippon Oil & Energy Corporation and JXTG Holding Corporation
- Apr. 2019
- Executive Officer
General Manager, General Administration and Personnel Department of JX Engineering Corporation - Jul. 2019
- Executive Officer
General Manager, Legal Department of the Company - Jun. 2021
- Senior Executive Officer
Responsible for Internal Control Office, Legal Department, Accounting Department, and Information System Department of the Company - Apr. 2023
- Managing Executive Officer
Responsible for Internal Control Office, Legal Department, and Personnel Department of the Company - Apr. 2025
- Senior Managing Executive Officer
Assistant President (Internal Control Office, Legal Department, General Administration Department, Personnel Department, Corporate Planning Department, and Accounting Department) of the Company - Jun. 2025
- Director Senior Managing Executive Officer
Assistant President (Internal Control Office, Legal Department, General Administration Department, Personnel Department, Corporate Planning Department, and Accounting Department) of the Company (current position)
Director Managing Executive Officer

Masahiko Kawamura
Profile
- Apr. 1989
- Joined Niigata Construction Co., Ltd.
- Jun. 2016
- General Manager, Chiba Branch Office Division-2 of the Company
- Apr. 2019
- Deputy Senior General Manager, Division-2 General Manager, Chiba Branch Office of the Company
- Jun. 2022
- Executive Officer
Deputy Senior General Manager, Division-2 General Manager, Kashima Branch Office of the Company - Apr. 2023
- Executive Officer Senior General Manager, Project Operation Division of the Company
- Apr. 2025
- Managing Executive Officer Responsible for Maintenance Division of the Company
- Jun. 2025
- Director Managing Executive Officer Responsible for Maintenance Division of the Company (current position)
Outside Director

Noriaki Isa
Profile
- Apr. 1980
- Joined Marubeni Corporation
- Apr. 2006
- General Manager, General Power Department, Power
Division of the above-mentioned company - Apr. 2013
- Executive Officer
General Manager, Human Resources Department of the above-mentioned company - Apr. 2017
- Executive Officer and Assistant CSO of the above-mentioned company
Outside Auditor of Avanti Staff Corporation - Apr. 2018
- Director and Chairman of Marubeni Power Retail Corporation
- Apr. 2021
- Advisor of NSG Holdings Co., Ltd. (current position)
- Jan. 2022
- Visiting Professor, Kaishi Professional University (current position)
Visiting Professor, Niigata Agro-Food University (current position) - Jun. 2022
- Outside Director of the Company (current position)
- Jul. 2022
- Director and Chairman, Power Retail Niigata K.K.
(current position)
Outside Director (Audit & Supervisory Committee Members)

Toshio Saburi
Profile
- Oct. 1982
- Joined Chuo Audit Corporation
- Mar. 1986
- Registered as a certified public accountant
- Sep. 1993
- Partner, Chuo Audit Corporation
- Jan. 1999
- Joined Tempstaff Co., Ltd. (currently PERSOL TEMPSTAFF CO., LTD.)
- Jun. 2004
- Director
General Manager, Support Division and General Manager, Finance Department of the above-mentioned company - Jun. 2005
- Managing Director
General Manager, Corporate Planning Division of the above-mentioned company - Oct. 2008
- Managing Director
General Manager, Group Corporate Planning Division of Temp Holdings Co., Ltd. (currently PERSOL HOLDINGS CO., LTD.) - May. 2010
- Director of Kelly Services, Inc.
- Nov. 2012
- CEO of TS Kelly Workforce Solutions Co., Ltd.
- Jun. 2015
- Outside Director of Japan Medical Dynamic Marketing, Inc. (current position)
- Jul. 2019
- Outside Director (Audit and Supervisory Committee Member) of the Company (current position))

Keiko Suichi
Profile
- Apr. 1983
- Registered as a lawyer (Yokohama Bar Association) (currently Kanagawa Bar Association)
- Apr. 1983
- Joined Mori Law Office
- Apr. 1999
- Vice President of Yokohama Bar Association (currently Kanagawa Bar Association)
- Jan. 2010
- Member of the Board, Social Welfare Corporation Shinzen-Fukushi Association
- Apr. 2010
- President of Yokohama Bar Association (currently Kanagawa Bar Association)
- Apr. 2014
- Vice President of the Japan Federation of Bar Associations
- Jul. 2018
- Chairperson, City of Yokohama Personnel Commission (current position)
- Jul. 2019
- Outside Director (Audit and Supervisory Committee Member) of the Company (current position)
- Jun. 2021
- Chairperson, Social Welfare Corporation ShinzenFukushi Association (current position)

Mayumi Nishida
Profile
- Jul.1998
- Assistant Professor, Utility Research Development Department, Faculty of Pharmaceutical Sciences, Hokkaido University
- Aug. 2009
- Visiting Professor, Renmin University of China (current position)
- Apr. 2011
- Executive Officer, Director, Research Laboratory, Development & Marketing, KOEI CHEMICAL COMPANY, LIMITED
- Apr. 2014
- Professor, Hokkaido University, Institute for Catalysis Advisor,
CHEMICALSOFT Co., Ltd. (current position)
Advisor, Kagashin Global Network Pvt. Ltd.
Advisor, West Corner Company, Limited - Apr. 2015
- Cross-Appointment Fellow, The National Institute of Advanced Industrial Science and Technology
- Jun. 2020
- Outside Director (Audit and Supervisory Committee Member) of the Company (current position)
- Apr. 2022
- Research Support Professor, Institute for Catalysis, Hokkaido University (current position)
CEO and President, West Corner Company, Limited (current position) - Jun. 2022
- Emeritus Professor, Hokkaido University (current position)
Executive Officer
Managing Executive Officers
Tomohide Arima | Responsible for Internal Control Office, General Administration Department, Accounting Department |
---|---|
Yasunori Chiba | Responsible for Project Division |
Hideya Matsue | Responsible for Project Operation Division, Safety & Quality Assurance Division |
Kenji Maruyama | Senior General Manager, Maintenance Division |
Hiroshi Ando | Responsible for Engineering Division |
Senior Executive Officers
Tooru Misumi | Senior General Manager, Safety & Quality Assurance Division |
---|---|
Hiroyuki Hayashi | Responsible for DX Division |
Hirohisa Nagai | Deputy Senior General Manager, Maintenance Division |
Toshihiko Katsuta | Deputy Senior General Manager, Maintenance Division |
Takeshi Akazawa | Senior General Manager, Tank Engineering Division |
Katsuhiko Saito | Senior General Manager, Project Division |
Executive Officers
Takatsugu Kamata | Deputy Senior General Manager, Engineering Division |
---|---|
Takashi Suzuki | Senior General Manager, Sales Division |
Yoshitaka Kitagawa | Senior General Manager, Engineering Division |
Shouji Mori | Deputy Senior General Manager, Safety & Quality Assurance Division |
Shigeki Yamaoka | General Manager, Mizushima Branch Office Maintenance Division |
Hiroyuki Matsumura | General Manager, Kawasaki Branch Office Maintenance Division |
Tsuyoshi Kobayashi | Deputy Senior General Manager, Project Operation Division General Manager, Fabrication Technology Department |
Hideaki Eguchi | Responsible for, Legal Department, Personnel Department, Corporate Planning Department |
Jum Shibayama | Deputy Senior General Manager, Engineering Division |
Ryouji Kuroki | Deputy Senior General Manager, Maintenance Division General Manager, Tokuyama Branch Office |
Seiichi Sakai | Senior General Manager, Project Operation Division |
Takayuki Miyazawa | Deputy Senior General Manager, Maintenance Division General Manager, Divisional Administration Department |