About Tokuyama
Management Team
Directors
The table below can be scrolled horizontally.
| Representative Directors |
Hiroshi Yokota | In charge of Chemicals, Audit Office and Secretarial Dept. |
|---|---|---|
| Tomohiro Inoue | In charge of Corporate Planning, Life Science, Eco Business, Manufacturing Strategy & Operations, Digital Administration & Planning, Carbon Neutral Strategy and New Business | |
| Directors | Takahide Taniguchi | In charge of Cement, Sustainability, General Affairs & Human Resources and Procurement & Logistics |
| Katsumi Nagase | In charge of Research & Development and Electronic & Advanced Materials | |
| Hiraku Ishizuka | External Director | |
| Shiro Saito | External Director | |
| Yumiko Kajiwara | External Director | |
| Kazumasa Sueoka | Committee Chair | |
| Nobuko Mizumoto | External Director, Audit and Supervisory Committee member | |
| Naoki Kondo | External Director, Audit and Supervisory Committee member |
(As of Jun 26, 2026)
Executive Officer
The table below can be scrolled horizontally.
| Chairperson | Hiroshi Yokota | |
|---|---|---|
| President and Executive Officer |
Tomohiro Inoue | |
| Senior Managing Executive Officer |
Fumiaki Iwasaki | General Manager, Life Science Business Div. |
| Takahide Taniguchi | General Manager, Cement Business Div. | |
| Katsumi Nagase | General Manager, Electronic & Advanced Materials Business Headquarter, Research & Development Div., Digital Administration & Planning Div. and Advanced Materials Business Div. | |
| Managing Executive Officer |
Hirotaka Nishihara | President, Tokuyama Dental Corporation |
| Yasushi Okuno | General Manager, Manufacturing Strategy & Operations Headquarters and Tokuyama Factory | |
| Takashi Sato | General Manager, General Affairs & Human Resources Div. | |
| Takeshi Ito | General Manager, Corporate Planning Div. and New Business Div. | |
| Seiji Teranishi | Deputy General Manager, Electronic & Advanced Materials Business Headquarter and General Manager, Electronic Materials Business Div. | |
| Executive Officer | Naoki Tamura | General Manager, Eco Business Div. |
| Yuji Inoue | General Manager, Carbon Neutral Strategy Div. | |
| Etsuji Uchida | General Manager, Engineering Center | |
| Mitsuaki Yasumura | General Manager, Chemicals Business Div. | |
| Nami Arimura | General Manager, Corporate Sustainability Div. and Sustainability Promotion Dept. | |
| Yoshinori Katayama | Deputy General Manager, Corporate Planning Div. and General Manager, Finance & Investment Management Dept. | |
| Atsunari Mitani | General Manager, Procurement & Logistics Div., Deputy General Manager, Tokuyama Factory and General Manager, Factory Planning and Administration Dept. |
(As of Jul 1, 2026)