Executives
Director
President
Yamaguchi Atsuji
- April 1997
Joined Mitsubishi Oil
- April 2017
JXTG Nippon Oil & Energy Corporation - Vice-President of Oil Refining, Mizushima Refinery
- April 2019
Manager, Wakayama Refinery
- April, 2021
ENEOS Corporation - Manager, Manufacturing Department
- April 2022
ENEOS Corporation - Manager, Renewable Energy Business Unit, Resources & Power Company
- April 2023
ENEOS Corporation - Corporate Officer and Manager, Electricity Business Unit, Resources & Power Company
- April 2024 to present
ENEOS Corporation - Representative Director and President
Executive Vice President
Assistant to President
Oka Shinji
- April 1989
Joined Nippon Oil Corporation Limited
- April 2018
JXTG Energy Corporation – General Manager, Corporate Planning Dept.
- April 2020
Europe, Middle East, Africa ENEOS Corporation - Executive Officer, Executive Regional Officer
- April 2023
JX Nippon Oil & Gas Exploration Corporation - Executive Officer, Senior Vice President, Executive Director of Business Division 1Corporation
- April 2024
Director, Executive Officer, Senior Vice President Executive Director of Business Division 1
- April 2025
ENEOS Xplora Inc. - Executive Officer, Senior Vice President, Chief Financial Officer (CFO),Chief Strategy Officer (CSO)
- April 2026
ENEOS Corporation – Chief of Staff
- June 2026 to Present
ENEOS Corporation - Representative Director, Executive Vice President
Tanaka Soichiro
Corporate Auditor
Hara Kei
Tochinoki Mayumi
Executive Officers who do not Serve as Directors
| Senior Vice President Responsible for Procurement Dept., Project Service Dept. |
Someya Yoshiyuki |
|---|---|
| Senior Vice President Responsible for Next-Generation Fuels Solution Dept., Hydrogen Business Dept., Central Technical Research Laboratory |
Fujiyama Yuichiro |
| Senior Vice President Responsible for Safety, Health & Environment Dept, Quality Assurance Dept. Representative Director, CEO of KASHIMA OIL CO., LTD (Part-time) |
Teramoto Mitsuji |
| Senior Vice President Responsible for Risk Management Dept., Controller Dept. |
Dan Tetsutaro |
| Senior Vice President Responsible for General Administration Dept., Legal & Corporate Affairs Dept. |
Gyouten Kouji |
| Senior Vice President President of Lubricants Company |
Ihara Minoru |
| Senior Vice President Responsible for Secretariat, Human Resources Dept., Public Relations Dept. |
Funo Atsuko |
| Senior Vice President Responsible for Supply Planning & Optimization Dept., Crude Oil & Products Trading Dept., Distribution & Logistics Dept., Basic Chemicals Planning Dept., Basic Chemicals Sales Dept. |
Yazaki Yasunori |
| Senior Vice President Responsible for Corporate Planning Dept., Digital Promotion & Development Dept. |
Murahashi Eiji |
| Senior Vice President Responsible for SAF Business Dept., Industrial Energy Sales Dept. |
Echigoya Masahiro |
| Senior Vice President Responsible for Refining & Manufacturing Dept., Mechanical Engineering Dept., Engineering & Capital Plannning Dept., E-MOE Project Dept., Refineries & Plants |
Yamanak Keiji |
| Senior Vice President Responsible for Marketing & Sales Planning Dept., Service Station Strategy Dept., Sales DX Promotion Dept., Marketing Dept., EV Business Development Dept., Branch Offices |
Hamada Kuniki |