Directors
（As of June 20, 2025）
Chairperson of the Board Yoshimi Ogawa
Date of birth: January 8, 1960
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Member of the Nomination and Compensation Committee
President Yasuhiro Sakaki
Date of birth: March 17, 1962
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Member of the Nomination and Compensation Committee
Representative Director Kotaro Sugimoto
Date of birth: October 10, 1960
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Member of the Nomination and Compensation Committee
Director Toshio Shiwaku
Date of birth: February 20, 1963
Director Naotaka Kawaguchi
Date of birth: December 25, 1961
Outside Director Teisuke Kitayama
Date of birth: October 26, 1946
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Member of the Nomination and Compensation Committee
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Significant concurrent positions
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Honorary Advisor of Sumitomo Mitsui Banking Corporation
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Outside Director Toshio Asano
Date of birth: December 4, 1952
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Chairperson of the Nomination and Compensation Committee
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Significant concurrent positions
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Special Advisor of Asahi Kasei Corp.
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Outside Director of MEDIPAL HOLDINGS CORPORATION
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Outside Director of Tokyo Century Corporation
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Outside Director Yuriya Komatsu
Date of birth: October 18, 1962
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Member of the Nomination and Compensation Committee
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Significant concurrent positions
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Outside Director of NTN Corporation
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Outside Director (Audit and Supervisory Committee Member) of DREAM INCUBATOR INC.
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Outside Director Mari Okajima
Date of birth: August 6, 1961
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Member of the Nomination and Compensation Committee
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Significant concurrent positions
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Professor of J.F. Oberlin University
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Outside Director Keita Nishiyama
Date of birth: January 11, 1963
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Member of the Nomination and Compensation Committee
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Significant concurrent positions
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Representative Director of Nishiyama Research Institute, Inc.
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Outside Director of Panasonic Holdings Corporation
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Outside Director Seiji Kito
Date of birth: November 3, 1962
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Member of the Nomination and Compensation Committee
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Significant concurrent positions
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Chief Director of Tokyo Opera City Cultural Foundation
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Chief Director of Nissay Culture Foundation
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Outside Director of The Hyakujushi Bank, Ltd. (Audit and Supervisory Committee Members)
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Audit & Supervisory Board Members
（As of the end of June 2025）
Standing Audit & Supervisory Board Member Mikio Yagi
Outside Audit & Supervisory Board Member Junichi Mizuo
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Significant concurrent positions
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Representative Director and Chairperson of the Japan Compliance & Governance Institute
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Honorary Professor of Surugadai University
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Outside Audit & Supervisory Board Member Hideo Makuta
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Significant concurrent positions
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Registered as attorney (Dai-ichi Tokyo Bar Association), Lawyer of Ginza chuo Law Office
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Outside Audit & Supervisory Board Member of Fujitsu Ltd.
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Outside Audit & Supervisory Board Member Hisae Kitayama
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Significant concurrent positions
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Representative of Kitayama Public Accounting Office, Certified Public Accountant
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Outside Director of Tsubakimoto Chain Co.
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Executive Officers
(As of April 1, 2026)
President and CEO
Yasuhiro Sakaki
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Oversight of Corporate Planning & Strategy Office Responsible for Executive Office Responsible for Life Sciences Business Incubation Office Responsible for Institute of Human-oriented Management |
|---|
Senior Managing Executive Officer
| Kotaro Sugimoto | General Manager, Corporate Support Headquarters Responsible for Corporate Compliance Program Division Responsible for Corporate Sustainability Responsible for Digital Strategy Center Oversight of Material SBU |
|---|---|
| Toshio Shiwaku | General Manager, Assessment Headquarters General Manager, R&D Headquarters Responsible for Intellectual Property Center |
| Naotaka Kawaguchi | General Manager, Production Management Headquarters Responsible for Engineering Center Responsible for Safety and Quality Assurance Headquarters Responsible for Process Technology Headquarters Oversight of Safety SBU |
| Takashi Miyamoto | Responsible for High Performance Polymers SBU |
Managing Executive Officers
| Yoichi Nemoto | General Manager, SCM Headquarters Raw Material Purchasing Division Manager, SCM Headquarters Responsible for Corporate Planning & Strategy Office |
|---|---|
| Seiji Sakano | Responsible for Life Sciences SBU |
| Hiroshi Iwase | Responsible for Smart SBU President, Daicel Beyond Ltd. |
| Kazuya Kurosawa | Responsible for Material SBU President, Toyama Filter Tow Co., Ltd. |
Executive Officers
| Nobuhiko Ikeda | Arai Plant Manager President, Daicel Arai Chemical Ltd. |
|---|---|
| Takaharu Takikawa | Head of Engineering Center |
| Masahiko Hirokawa | Head of Corporate Sustainability |
| Ryohei Yamada | Head of Life Sciences Business Incubation Office Assistant Responsible for Life Sciences SBU |
| Eiichi Ryobo | Responsible for Safety SBU Division Manager, Business Strategy Office, Safety SBU Chairperson, Daicel Safety Systems (Jiangsu)Co., Ltd. Chairperson, Daicel Safety Technologies (Jiangsu)Co., Ltd. Chairperson, Daicel Safety Systems Americas, Inc. |
| Yosuke Omae | Ohtake Plant Manager |
| Mitsunori Matsushima | Development Division Manager, High Performance Polymers SBU |
| Hidetoshi Kozono | Fuji Plant Manager Production Division Manager, High Performance Polymers SBU |
| Michiro Gensaka | Deputy General Manager, Corporate Support Headquarters HR & GA Division Manager, Corporate Support Headquarters |
| Keisuke Goto | Head of High Performance Polymers SBU Business Strategy Division Manager, High Performance Polymers SBU President, HPP Holdings Co., Ltd. |
| Shoji Sanada | Responsible for COC Project Responsible for LCP Leuna Carboxylation Plant GmbH |
| Makoto Nakajima | Deputy General Manager, Corporate Support Headquarters |