About DAICELDirectors & Senior Management
Directors
(As of June 20, 2025)

Date of birth: January 8, 1960
- Member of the Nomination and Compensation Committee
April 1983 | Joined Daicel Corporation |
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April 2002 | Head of Business Process Innovation, Daicel Corporation |
June 2006 | Executive Officer, Daicel Corporation Vice President of Aerospace & Defense Systems/Safety Systems Company, Daicel Corporation |
June 2009 | Head of Production Technology, Daicel Corporation |
June 2011 | Director, Daicel Corporation |
June 2013 | Managing Executive Officer, Daicel Corporation |
June 2017 | Senior Managing Executive Officer, Daicel Corporation |
June 2019 | President, Daicel Corporation President and CEO, Daicel Corporation |
April 2021 | Executive Consultant, Polyplastics Co., Ltd. (incumbent) |
April 2024 | Responsible for Institute of Human-oriented Management (incumbent) |
April 2025 | Chairperson of the Board, Daicel Corporation (incumbent) |


Date of birth: March 17, 1962
- Member of the Nomination and Compensation Committee
April 1984 | Joined Daicel Corporation |
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June 2012 | President of Organic Chemical Products Company, Daicel Corporation |
June 2014 | Executive Officer, Daicel Corporation |
June 2016 | President of Aerospace & Defense Systems/Safety Systems Company, Daicel Corporation |
June 2017 | Managing Executive Officer, Daicel Corporation |
June 2019 | Senior Managing Executive Officer, Daicel Corporation |
June 2020 | Director, Daicel Corporation |
April 2025 | President, Daicel Corporation (incumbent) President and CEO, Daicel Corporation (incumbent) |


Date of birth: October 10, 1960
- Member of the Nomination and Compensation Committee
April 1984 | Joined Daicel Corporation |
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June 2011 | Head of Raw Material Purchasing Center, Daicel Corporation |
June 2014 | Executive Officer, Daicel Corporation Representative Director and President of Daicel Logistics Service Co., Ltd. |
June 2017 | Managing Executive Officer, Daicel Corporation |
June 2019 | Representative Director, Daicel Corporation (incumbent) |
June 2020 | Senior Managing Executive Officer, Daicel Corporation (incumbent) |


Date of birth: February 20, 1963
April 1987 | Joined Polyplastics Co., Ltd. |
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April 2007 | Chief of Research and Development Center of Polyplastics Co., Ltd. |
March 2011 | Executive Officer of Polyplastics Co., Ltd. |
June 2014 | Director of Polyplastics Co., Ltd. |
June 2015 | Managing Executive Officer of Polyplastics Co., Ltd. |
June 2016 | Representative Director of Polyplastics Co., Ltd. |
June 2017 | Representative Director and President of Polyplastics Co., Ltd. |
April 2021 | Senior Managing Executive Officer, Daicel Corporation (incumbent) |
June 2024 | Director, Daicel Corporation (incumbent) |


Date of birth: December 25, 1961
April 1986 | Joined Daicel Corporation |
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June 2006 | Head of Production Innovation Center, Production Technology, Daicel Corporation |
June 2015 | Executive Officer, Daicel Corporation |
June 2020 | Managing Executive Officer, Daicel Corporation |
April 2023 | Senior Managing Executive Officer, Daicel Corporation (incumbent) |
June 2024 | Director, Daicel Corporation (incumbent) |


Date of birth: October 26, 1946
- Member of the Nomination and Compensation Committee
- Significant concurrent positions
Honorary Advisor of Sumitomo Mitsui Banking Corporation
June 2005 | Director President (Representative Director) of Sumitomo Mitsui Financial Group, Inc. Chairman of the Board (Representative Director) of Sumitomo Mitsui Banking Corporation |
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April 2017 | Director of Sumitomo Mitsui Banking Corporation |
June 2017 | Advisor of Sumitomo Mitsui Banking Corporation |
June 2018 | Director, Daicel Corporation (incumbent) |
October 2018 | Honorary Advisor of Sumitomo Mitsui Banking Corporation (incumbent) |


Date of birth: December 4, 1952
- Chairperson of the Nomination and Compensation Committee
- Significant concurrent positions
Special Advisor of Asahi Kasei Corp.
Outside Director of MEDIPAL HOLDINGS CORPORATION
Outside Director of Tokyo Century Corporation
April 2010 | President & Representative Director, Presidential Executive Officer of Asahi Kasei Pharma Corp. |
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April 2014 | Presidential Executive Officer of Asahi Kasei Corp. |
June 2014 | President & Representative Director, Presidential Executive Officer of Asahi Kasei Corp. |
April 2016 | Director and Standing Advisor of Asahi Kasei Corp. |
June 2016 | Standing Advisor of Asahi Kasei Corp. |
June 2019 | Director, Daicel Corporation (incumbent) |
June 2022 | Advisor of Asahi Kasei Corp. |
June 2024 | Special Advisor of Asahi Kasei Corp. (incumbent) |


Date of birth: October 18, 1962
- Member of the Nomination and Compensation Committee
- Significant concurrent positions
Outside Director of NTN Corporation
Outside Director (Audit and Supervisory Committee Member) of DREAM INCUBATOR INC.
April 1988 | Assistant Portfolio Manager of Credit Suisse Trust and Banking Co., Ltd. |
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April 1990 | Senior Analyst of SPARX Asset Management Co., Ltd. (currently SPARX Group Co., Ltd.) |
May 1996 | Senior Research Analyst of The Dreyfus Corporation |
December 1999 | Vice President of Fiduciary Trust Company International |
September 2000 | Partner of INTELLASSET, INC. |
November 2004 | Partner of Worldeye Capital Inc. |
June 2006 | Vice President of Olympus Capital Holdings Asia |
July 2010 | Managing Director of Daiwa Quantum Capital Limited |
October 2014 | Member of the Board of KADOKAWA DWANGO Corporation (currently KADOKAWA Corporation) Member of the Board of DWANGO Co., Ltd. |
July 2020 | Outside Director of NTN Corporation (incumbent) |
June 2021 | Outside Director (Audit and Supervisory Committee Member) of DREAM INCUBATOR INC. (incumbent) |
June 2022 | Director, Daicel Corporation (incumbent) |
January 2023 | Director of IA Partners Inc. |


Date of birth: August 6, 1961
- Member of the Nomination and Compensation Committee
- Significant concurrent positions
Professor of J.F. Oberlin University
April 2012 | Vice President of Cabin Safety Promotion Department of Japan Airlines Co., Ltd. |
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April 2013 | Vice President of Cabin Attendants Department, Haneda of Japan Airlines Co., Ltd. |
November 2014 | Deputy General Manager of Cabin Attendants and Vice President of The 1st Cabin Attendants Department, Haneda of Japan Airlines Co., Ltd. |
June 2015 | Deputy General Manager of Cabin Attendants Division and Vice President of Cabin Attendants General Affairs of Japan Airlines Co., Ltd. |
September 2021 | Professor of J.F. Oberlin University (incumbent) |
June 2023 | Director, Daicel Corporation (incumbent) |


Date of birth: January 11, 1963
- Member of the Nomination and Compensation Committee
- Significant concurrent positions
Representative Director of Nishiyama Research Institute, Inc.
Outside Director of Panasonic Holdings Corporation
April 1985 | Joined the Ministry of International Trade and Industry (currently Ministry of Economy, Trade and Industry) |
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June 2011 | Director-General of the Secretariat for the TEPCO Management and Finance Investigation Task Force of Cabinet Secretariat |
June 2012 | Senior Executive Managing Officer of Innovation Network Corporation of Japan (currently Japan Investment Corporation) |
July 2012 | Deputy Director-General for Economic and Social Policy of Ministry of Economy, Trade and Industry |
June 2013 | Deputy Director-General of Economic and Industrial Policy Bureau of Ministry of Economy, Trade and Industry |
July 2014 | Deputy General Manager of TEPCO-NDF Liaison Office, Nuclear Damage Compensation and Decommissioning Facilitation Corporation (NDF) Executive Officer of Tokyo Electric Power Company (Assistant to Chairman, Co-Superintendent of Management & Planning Division) |
June 2015 | Director and Executive Officer of Tokyo Electric Power Company (Assistant to Chairman, Co-Superintendent of Management & Planning Division) |
July 2018 | Director-General of Commerce and Information Policy Bureau of Ministry of Economy, Trade and Industry |
July 2020 | Retired from Ministry of Economy, Trade and Industry |
November 2020 | Representative Director of Nishiyama Research Institute, Inc. (incumbent) |
June 2023 | Director, Daicel Corporation (incumbent) |


Date of birth: November 3, 1962
- Member of the Nomination and Compensation Committee
- Significant concurrent positions
Chief Director of Tokyo Opera City Cultural Foundation
Chief Director of Nissay Culture Foundation
Outside Director of The Hyakujushi Bank, Ltd. (Audit and Supervisory Committee Members)
March 2022 | Representative Director and Executive Vice President of Nippon Life Insurance Company |
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March 2023 | Director of Nippon Life Insurance Company |
June 2023 | Chief DirectorofTokyo Opera City Cultural Foundation (incumbent) Chief DirectorofNissay Culture Foundation (incumbent) |
June 2025 | Director, Daicel Corporation (incumbent) |

Audit & Supervisory Board Members
(As of the end of June 2025)
Mikio Yagi | Standing Audit & Supervisory Board Member |
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Junichi Mizuo | Outside Audit & Supervisory Board Member Representative Director and Chairperson of the Japan Compliance & Governance Institute Honorary Professor of Surugadai University |
Hideo Makuta | Outside Audit & Supervisory Board Member Registered as attorney (Dai-ichi Tokyo Bar Association), Lawyer of Ginza chuo Law Office Outside Audit & Supervisory Board Member of Fujitsu Ltd. |
Hisae Kitayama | Outside Audit & Supervisory Board Member Representative of Kitayama Public Accounting Office, Certified Public Accountant Outside Director of Tsubakimoto Chain Co. |
Executive Officers
(As of May 13, 2025)
President and CEO
Yasuhiro Sakaki | Responsible for Corporate Planning & Strategy Office Responsible for Healthcare SBU |
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Senior Managing Executive Officers
Kotaro Sugimoto | General Manager, Corporate Support Headquarters Responsible for Corporate Compliance Program Division Responsible for Corporate Sustainability Responsible for Digital Strategy Center Responsible for Material SBU |
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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 Safety SBU |
Takashi Miyamoto | President and CEO, Polyplastics Co., Ltd. General Manager, Performance Materials Headquarters |
Managing Executive Officers
Yoichi Nemoto | Division Manager, Group Governance and Financial Coordination Deputy General Manager, Corporate Support Headquarters Responsible for SCM Headquarters |
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Seiji Sakano | Head of Life Sciences SBU |
Hiroshi Iwase | Head of Smart SBU President, Daicel Beyond Ltd. |
Kazuya Kurosawa | Division Manager, Chemical BU, Material SBU Head of Material SBU President, Toyama Filter Tow Co., Ltd. |
Executive Officers
Hitoshi Hayashi | Division Manager, Assessment Promotion, Assessment Headquarters Deputy General Manager, Assessment Headquarters |
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Seiji Yamakado | President, Daicel Miraizu Ltd. Chairperson, Shanghai Daicel Polymers,Ltd. |
Nobuhiko Ikeda | Plant General Manager, Arai Plant President, Daicel Arai Chemical Ltd. |
Takaharu Takikawa | Head of Engineering Center |
Masahiko Hirokawa | Division Manager, Investor Relations & Corporate Communications, Corporate Support Headquarters Deputy General Manager, Corporate Support Headquarters Head of Corporate Sustainability |
Ryohei Yamada | Division Manager, Medical Device Division, Life Sciences SBU Deputy Head of Life Sciences SBU |
Eiichi Ryobo | Head of Safety SBU Chairperson, Daicel Safety Systems (Jiangsu)Co., Ltd. Chairperson, Daicel Safety Technologies (Jiangsu) Co., Ltd. Chairperson, Daicel Safety Systems Americas, Inc. |
Yosuke Omae | Plant General Manager, Harima Plant Division Manager of Global Technical Control, Safety SBU |