Management Team

Hiroshi Yokota

Representative Director, Chairperson

Hiroshi Yokota

Career

Tomohiro Inoue

Representative Director, President and Executive Officer

Tomohiro Inoue

Career

Fumiaki Iwasaki

Director, Senior Managing Executive Officer

Fumiaki Iwasaki

Career

Takahide Taniguchi

Director, Senior Managing Executive Officer

Takahide Taniguchi

Career

Yoji Miyamoto

Director (Audit & Supervisory Committee Chair)

Yoji Miyamoto

Career

Kazumasa Sueoka

Director (Audit & Supervisory Committee Member)

Kazumasa Sueoka

Career

Nobuko Mizumoto

External Director (Audit & Supervisory Committee Member)

Nobuko Mizumoto

Career

Hiraku Ishizuka

External Director (Audit & Supervisory Committee Member)

Hiraku Ishizuka

Career

Naoki Kondo

External Director (Audit & Supervisory Committee Member)

Naoki Kondo

Career

Shiro Saito

External Director (Audit & Supervisory Committee Member)

Shiro Saito

Career

Yumiko Kajiwara

External Director (Audit & Supervisory Committee Member)

Yumiko Kajiwara

Career

Directors

The table below can be scrolled horizontally.

Representative
Directors		 Hiroshi Yokota In charge of Chemicals, Electronic & Advanced Materials, 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 Fumiaki Iwasaki In charge of Research & Development
Takahide Taniguchi In charge of Cement, Sustainability, General Affairs & Human Resources and Procurement & Logistics
Directors, Audit
and Supervisory
Committee members 		Yoji Miyamoto Committee Chair
Kazumasa Sueoka Committee Member
Nobuko Mizumoto External Director
Hiraku Ishizuka External Director
Naoki Kondo External Director
Shiro Saito External Director
Yumiko Kajiwara External Director

(As of Apr 1, 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. 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.
Kenji Saka General Manager, Digital Administration & Planning Div. and DX & AI Promotion Dept.
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 Apr 1, 2026)