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
Inoue Keitaro
- April 1987
Joined Nippon Petroleum Refining
- April 2015
JX Nippon Oil & Energy Corporation - Manager, Resources & Power Administrative Division, Resources & Power Company
- April 2019
Corporate Officer and Manager, Planning Division, Resources & Power Company
- April 2020
Senior Vice President and President, Resources & Power Company
- April 2022
ENEOS Holdings, Inc., ENEOS Corporation - Executive Vice President, Assistant to President
- June 2022
ENEOS Holdings, Inc., ENEOS Corporation - Representative Director, Executive Vice President, Assistant to President
- April 2024 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 Director of Kawasaki Refinery |
Kato Eiji |
|---|---|
| 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 Refining & Manufacturing Dept., Mechanical Engineering Dept., Engineering & Capital Planning Dept., E-MORE Project Dept., Refineries & Plants Representative Director, CEO of KASHIMA OIL CO., LTD (Part-time) |
Teramoto Mitsuji |
| Senior Vice President Responsible for Marketing & Sales Planning Dept., Retail Support Dept., Sales DX Promotion Dept., Platform Business Dept., Marketing Dept., EV Business Development Dept., Branch Offices |
Tsuru Yoshiharu |
| Senior Vice President Responsible for Risk Management Dept., Controller Dept. |
Dan Tetsutaro |
| Senior Vice President Responsible for General Administration Dept., Legal & Corporate Affairs Dept., Business Countinuity Management Dept., Safety, Health & Environment Dept., Quality Assurance Dept. |
Araki Nobuyuki |
| Senior Vice President President of Lubricants Company |
Ihara Minoru |
| Senior Vice President Responsible for 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., Carbon Neutral Strategy Dept., IT Planning & Development Dept. |
Murahashi Eiji |
| Senior Vice President Responsible for Biofuel Business Dept., Industrial Energy Sales Dept., Gas Business Dept. |
Echigoya Masahiro |