As of March 31, 2023
Resonac Holdings Corporation Board of Directors
Representative Director, Chairman of the Board |
Kohei Morikawa |
---|---|
Representative Director, President |
Hidehito Takahashi |
Board Directors |
Keiichi Kamiguchi |
Hideki Somemiya |
|
Tomomitsu Maoka |
|
Kiyoshi Nishioka (Outside Board Director) |
|
Kozo Isshiki (Outside Board Director) |
|
Noriko Morikawa (Outside Board Director) |
|
Tetsuo Tsuneishi (Outside Board Director) |

Resonac Holdings Corporation Audit & Supervisory Board
Full-time Auditor | Toshiharu Kato |
---|---|
Jun Tanaka | |
Auditor | Kiyomi Saito (Outside Member) |
Masako Yajima(Outside Member) | |
Yasuyuki Miyasaka(Outside Member) |

Resonac Holdings Corporation Corporate Officers
Chief Executive Officer | Hidehito Takahashi | President, Chief Executive Officer (CEO),Resonac Holdings Corporation |
---|---|---|
Managing Corporate Officers | Keiichi Kamiguchi | Managing Corporate Officer, Chief Risk Management Officer (CRO), Resonac Holdings Corporation |
Hiroyuki Yamashita | Managing Corporate Officer, Resonac Holdings Corporation, General Manager, Electronics Business Headquarters, Resonac Corporation | |
Hideki Somemiya | Managing Corporate Officer, Chief Financial Officer (CFO), Resonac Holdings Corporation | |
Tomomitsu Maoka | Managing Corporate Officer, Chief Strategy Officer (CSO), Resonac Holdings Corporation | |
Corporate Officers | Mitsuo Katayose | Corporate Officer, Resonac Holdings Corporation, General Manager, High Performance Materials Business Headquarters and Life Science Business Headquarters, Resonac Corporation |
Shigeru Fujita | Corporate Officer, Chief Marketing Officer (CMO), Resonac Holdings Corporation | |
Yoshito Ishii | Corporate Officer, Resonac Holdings Corporation, General Manager, Mobility Business Headquarters, Resonac Corporation | |
Nori Imai | Corporate Officer, Chief Human Resource Officer (CHRO), Resonac Holdings Corporation | |
Masami Tobito | Corporate Officer, Chief Operations, Manufacturing and Engineering Officer (CMEO)/Chief Quality Officer (CQO), Resonac Holdings Corporation | |
Hideki Shibata | Corporate Officer, Chief Digital Officer (CDO), Resonac Holdings Corporation | |
Masato Fukushima | Corporate Officer, Chief Technology Officer (CTO), Resonac Holdings Corporation |

Resonac Corporation Board of Directors
Representative Director, President |
Hidehito Takahashi |
---|---|
Representative Director | Keiichi Kamiguchi |
Board Director | Hideki Somemiya |
Tomomitsu Maoka |

Resonac Corporation Audit & Supervisory Board
Auditor | Toshiharu Kato |
---|---|
Jun Tanaka | |
Hiroyuki Takei | |
Hiroshi Yoshida |

Resonac Corporation Executive Officers
Corporate Officers | Taichi Nagai | Executive Officer, Resonac CorporationOita Complex Representative, Olefins & Derivatives Business Unit |
---|---|---|
Hirotsugu Fukuda | Executive Officer, Resonac Corporation General Manager, Olefins & Derivatives Business Unit | |
Hiroyuki Eda | Executive Officer, Resonac Corporation General Manager, Aluminum Specialty Components Business Unit, High Performance Materials Business Headquarters | |
Makoto Takeda | Executive Officer, Resonac Corporation General Manager, Graphite Business Unit | |
Katsuyuki Tsuji | Executive Officer, Resonac Corporation Deputy General Manager, Mobility Business Headquarters, and General Manager, Advanced Battery Materials Business Unit and General Manager, Energy Storage and Tribology Materials Business Unit | |
Atsushi Doi | Executive Officer, Resonac Corporation General Manager, Legal Department, Resonac Holdings Corporation, and General Manager, Legal Department, Resonac Corporation | |
Takuya Hirano | Executive Officer, Resonac Corporation Deputy General Manager, Mobility Business Headquarters |
