List of officers

Member of the Board Representative Director President Hiroyoshi Tosa
Director Production Division, GX, I.P. & Legal Yoichi Nishioka
Director Financial, General Affairs,Human Resources & IT Planning Keisuke Kobayashi
Director Corporate R&D & Quality Assurance Koichi Sorajo
Director Chemical Division Ryuji Nakao
Director Kenjiro Otsuka
Outside Director Minoru Amoh
Outside Director Yoshihiro Nomura
Auditors Standing Auditor Hidehiko Yashima
Auditor Junya Otsuka
Auditor Yozo Toba

(March 7, 2024)

For inquiries
to Otsuka Chemical Co., Ltd.