Management

Chairman and Representative Director
Takashi Tsukioka

Vice Chairman and Representative Director
Tsuyoshi Kameoka

President and Representative Director
Shunichi Kito

Representative Director
Tomonori Okada

Director
Takashi Matsushita

Director
Katsuaki Shindome

Director (part-time)
Masakazu Idemitsu

Director (part-time)
Kazunari Kubohara

Outside Director
Takeo Kikkawa

Outside Director
Mackenzie Clugston

Outside Director
Norio Otsuka

Outside Director
Yuko Yasuda

Outside Director
Mitsunobu Koshiba

Audit & Supervisory Board Member
Toshiyuki Tanida

Audit & Supervisory Board Member
Kenji Takahashi

Outside Audit & Supervisory Board Member
Taigi Ito

Outside Audit & Supervisory Board Member
Kenji Yamagishi

Executive Officers

  • Vice Chairman and Executive Officer
    Tsuyoshi Kameoka

  • Chief Executive Officer
    Shunichi Kito

  • Executive Vice President and Executive Officer
    Tomonori Okada

    in charge of Manufacturing & Technology, Energy Solution, and Technical Products

  • Executive Vice President and Executive Officer
    Takashi Matsushita

    in charge of Petrochemicals, Functional Materials, Intellectual Property/Research, and Vietnam Project (Vietnam Business Development Department)

  • Executive Vice President and Executive Officer
    Susumu Nibuya

    in charge of Resources, Corporate Planning, External Affairs and Public Relations, ESG, and Legal (Legal Department)

  • Senior Managing Executive Officer
    Katsuaki Shindome

    in charge of human resource, information systems, general affairs and internal audit, assigned additional post of general manager of Safety, Environment (HSSE) & Quality Assurance Department

  • Managing Executive Officer
    Toshiaki Sagishima

    in charge of Accounting and Finance (Accounting Department and Finance Department)

  • Managing Executive Officer
    Kiyoshi Homma

    Head of Petrochemicals Headquarters (Basic Chemicals Department, Petrochemicals Department, Advanced Materials & Performance Chemicals Department Idemitsu Unitech, and Prime Polymer)

  • Managing Executive Officer
    Yuji Arai

    in charge of Supply and Demand, Petroleum Sales (Integrated Supply & Trading Headquarters, Petroleum Marketing Headquarters)

  • Managing Executive Officer
    Atsuhiko Hirano

    in charge of Corporate Planning, Integration Promotion, External Affairs & Secretariat (Corporate Planning Department, Integration Promotion Department, External Affairs & Secretariat Department, Shoseki Engineering & Construction)

  • Senior Executive Officer
    Kazuhisa Harada

    General Manager of Human Resources Department 1

  • Senior Executive Officer
    Eiji Hagiwara

    in charge of Resources (Exploration & Production Department and Coal Business Department)

  • Senior Executive Officer
    Hajime Nakamoto

    in charge of Electronic Materials Business, Agri-Bio Business, Intellectual Property, Research (Advanced Technology Research Laboratories, Electronic Materials Department, Agri-Bio Business Department, Lithium Battery Material Department, Intellectual Property Department, SDS Biotec),General Manager of Lithium Battery Material Department

  • Senior Executive Officer
    Hiroshi Maezawa

    Head of Manufacturing & Technology Headquarters (Manufacturing & Technology Department 1, Manufacturing & Technology Department 2, Technology & Engineering Center, Idemitsu Engineering, Showa Yokkaichi Sekiyu, Toa Oil, Seibu Oil), General Manager of Manufacturing & Technology Departmen 1

  • Senior Executive Officer
    Masashi Yokomura

    in charge of Lubricants Business, (Lubricants Department 1, Lubricants Departmen 2, Idemitsu Lube(China), Idemitsu Lube Asia Pacific, Idemitsu Lubricants America)

  • Senior Executive Officer
    Tsutomu Yoshioka

    in charge of Information Systems, General Affairs, Safety, Environment, Quality Assurance, (Information Systems Department, General Affairs Department, Safety, Environment (HSSE)& Quality

  • Senior Executive Officer
    Yuri Inoue

    in charge of Credit & Finance Risk, Internal Control, (Credit and Financial Risk Management Department, Internal Control Promotion Department) Collaborate with Legal Department

  • Senior Executive Officer
    Kenichi Morishita

    Head of Petroleum Marketing Headquarters, (Petroleum Marketing Department, Retail Marketing Department, Distribution & Operations Department, Industrial Energy Department, Apollo retailing, Idemitsu Retail Marketing, S.I. Energy, Idemitsu Credit, Leef Energy, Rising Sun, Wakamatsu Gas)

  • Senior Executive Officer
    Makoto Abe

    in charge of Technical Products & Business Development, (Technical Products & Business Development Department, Nippon Grease, Shosekikako), Chairman and Representative Director of Shell Lubricants Japan

  • Senior Executive Officer
    Hiroshi Watanabe

    Head of Energy Solution Business Headquarters, (Power Sales Department, Power & Renewable Energy Business Department, Energy Solution Business Department), Representative Director & Chief Executive Officer of Solar Frontier)

  • Senior Executive Officer
    Satoshi Handa

    Head of Integrated Supply & Trading Headquarters, (Integrated Supply & Trading Department, Supply Planning Department, Crude & Chemical Feedstock Department, Global Business Development Department, Idemitsu International (Asia),

  • Senior Executive Officer
    Takashi Sakata

    in charge of Procurement (Procurement Department), General Manager of Accounting Department

  • Executive Officer
    Soichi Kobayashi

    General Manager of Corporate Planning Department

  • Executive Officer
    Shinji Araki

    General Manager of Chiba Complex

  • Executive Officer
    Michiyo Terakami

    in charge of Public Relations, Corporate Sustainability, (Public Relations Department and Corporate Sustainability Department)

  • Executive Officer
    Noriaki Sakai

    General Manager of Finance Department

  • Executive Officer
    Mitsuhide Hachiyama

    Manufacturing & Technology Headquarters, General Manager Manufacturing & Technology Dept.1

  • Executive Officer
    Masaru Iijima

    Vice Head of Integrated Supply & Trading Headquarters, General Manager ofGlobal Business Development Department

  • Executive Officer
    Naokazu Uchikawa

    Vice Head of Petroleum Marketing Headquarters, General Manager of Petroleum Marketing Department

  • Executive Officer
    Jun Miki

    General Manager of Exploration & Production Department

  • Executive Officer
    Toru Abe

    General Manager of Lubricants Department 1

  • Executive Officer
    Masahiko Sawa

    General Manager of Hokkaido Refinery

  • Executive Officer
    Minoru Yagyuuda

    in charge of Energy Solution Business Headquarters, General Manager of Energy Solution Business Department

  • Executive Officer
    Nobuhiko Watanabe

    General Manager of Kanto Branch Office 1

  • Executive Officer
    Tetsuji Mishina

    General Manager of Integration Promotion Department

  • Executive Officer
    Tsutomu Kunomura

    General Manager of Human Resources Department 2

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