Board of Directors
Chairman and Representative Director
Toshio Imai
-
Date of Birth
- January 25 1959
-
April1982
- Joined the Company
-
October2006
- General Manager, Styrene Div. of the Company
-
June2011
- General Manager, Corporate Planning Dept. of the Company
-
April2013
- Executive Officer, Assistant to General Manager, Elastomers & Performance Plastics of the Company
-
April2015
- General Manager, Elastomers & Performance Plastics of the Company
-
April2017
- Managing Executive Officer of the Company
-
April2019
- General Manager, Denka Value-Up Promotion Dept. of the Company
-
June2019
- Director and Managing Executive Officer of the Company
-
April2020
- Director and Senior Managing Executive Officer of the Company
-
April2021
- Representative Director, President and Chief Executive Officer of the Company
-
April2025
- Chairman and Representative Director of the Company (present)
Representative Director, President & CEO
Ikuo Ishida
-
Date of Bitrh
- March 7, 1962
-
April1985
- Joined the Company
-
April2009
- General Manager, Functional Films Dept., Electronics Materials Div. of Electronics Materials Business Group of the Company
-
October2011
- General Manager, Advanced Fillers Dept., Electronics Materials Business Group of the Company
-
October2013
- General Manager, Advanced Specialty Materials Dept., Electronics & Innovative Products of the Company
-
April2017
- Assistant General Manager, Electronics & Innovative Products of the Company
-
April2019
- Executive Officer and General Manager, Electronics & Innovative Products of the Company
-
April2023
- Managing Executive Officer of the Company
-
June
- Director and Managing Executive Officer of the Company
-
April2025
- Representative Director, President and Chief Executive Officer of the Company (present)
Director,
Senior Managing Executive Officer
Rimiru Hayashida
-
April1985
- Joined the Company
-
April2009
- General Manager, Accounting Dept. of the Company
-
April2017
- Executive Officer, General Manager, Accounting Dept. of the Company
-
April2021
- Executive Officer of the Company
-
April2023
- Managing Executive Officer of the Company
-
June2024
- Managing Executive Officer, Chief Financial Officer (CFO) of the Company
-
April2025
- Senior Managing Executive Officer of the Company
-
June2025
- Director and Senior Managing Executive Officer of the Company (present)
Director,
Managing Executive Officer
Masanobu Kosaka
-
April1985
- Joined the Company
-
April2015
- Deputy General Manager, Omi Plant of the Company
-
November2015
- Vice President of Denka Performance Elastomer LLC
-
June2019
- Vice General Manager, Omi Plant of the Company
-
April2021
- Executive Officer, General Manager, Omi Plant of the Company
-
April2023
- Executive Officer of the Company
-
April2025
- Managing Executive Officer of the Company
-
June2025
- Director and Managing Executive Officer of the Company (present)
Directors
Rumiko Nakata
(Outside)
-
April1979
- Joined Esso Sekiyu K.K.
-
April1996
- Center for Socio-Economic Research K.K.
-
June2000
- Joined Pfizer K.K.
-
February2007
- Manager, Pharmaceutical Development and Human Resources (Public Relations) Dept., Pfizer K.K.
-
May2010
- General Manager, Human Resources Group, Business Partners, Pfizer K.K.
-
December2011
- Head of HR and Global Operations, Pfizer K.K.
-
January2014
- Corporate Officer, Pfizer K.K.
-
March2018
- Executive Officer, in charge of Diversity & Inclusion, Mitsubishi Chemical Corporation
-
April2019
- Managing Executive Officer, Supervising – Human Resources, Mitsubishi Chemical Corporation
-
April2020
- Director of the Board, Managing Executive Officer, Supervising – Administration, Public Relations, Human Resources, Mitsubishi Chemical Corporation
-
April2021
- Director of the Board, Managing Executive Officer Supervising – Resources, Mitsubishi Chemical Corporation
-
April2022
- Director of the Board, Mitsubishi Chemical Corporation
-
March2023
- Outside Director of the Board, Kyowa Kirin Co., Ltd.
-
June2024
- Outside Director of the Company (present)
Mizuhiro Uchida
Audit Committee Member
-
Date of Birth
- September 24, 1961
-
April1984
- Joined the Company
-
April2008
- General Manager, Business Planning Dept., Resin Process Div., Resin Process Business Group of the Company
-
April2010
- General Manager, Purchasing Dept. of the Company
-
April2014
- Deputy General Manager, Chiba Plant of the Company
-
July2017
- General Manager, Internal Auditing Dept. of the Company
-
April2021
- General Manager, Internal Control Dept. of the Company
-
April2023
- Assigned to the Audit Committee of the Company
-
June2023
- Director (Full-time Audit Committee Member) (present)
Toshio Kinoshita
Audit Committee Member (Outside)
-
Date of Birth
- April 12, 1949
-
July1983
- Registered as Certified Public Accountant
-
July1989
- Partner, U.S. Coopers & Lybrand L.L.P (current PricewaterhouseCoopers) (until June 1998)
-
June1994
- Representative employee of Chuo Audit Corporation (until July 2005)
-
July1998
- Senior Managing Partner for North America, New York Head Office, U.S. PricewaterhouseCoopers L.L.P. (until June 2005)
-
July2005
- Management Board Member for International Business of Tokyo Office of ChuoAoyama PricewaterhouseCoopers (until June 2007)
-
July2007
- Chief Executive of The Japanese Institute of Certified Public Accountants (JICPA) (until July 2013)
-
July2013
- Council Member of JICPA (until July 2016)
-
June2014
- Outside Audit & Supervisory Board Member of Panasonic Corporation (current Panasonic Holdings Corporation) (until June 2022)
-
July2014
- Representative Director of Global Professional Partners (present)
-
August2014
- Outside Corporate Auditor of Weathernews Inc. (until August 2018)
-
March2015
- Outside Director of Asatsu-DK Inc. (until December 2018)
-
June2015
- Outside Audit & Supervisory Board Member of the Company
-
June2015
- Outside Director of TACHI-S CO., LTD. (present)
-
July2015
- Outside Director of Mizuho Bank, Ltd. (until September 2019)
-
January2018
- Outside Director of ThreePro Group Inc. (current GiG Works Inc.) (until January 2022)
-
June2019
- Outside Director (Audit Committee Member) of the Company (present)
Akio Yamamoto
Audit Committee Member (Outside)
-
Date of Birth
- December 2, 1951
-
April1974
- Joined Mitsui & Co., Ltd.
-
April1999
- President of Mitsui & Co., Benelux S.A./N.V.
-
April2004
- Vice President of Synthetic Resin & Inorganic Chemical Products Business Unit of Mitsui & Co., Ltd.
-
April2007
- Executive Officer of Mitsui & Co., Ltd. (until March 2010), President of Mitsui & Co. (Thailand) Ltd.
-
April2009
- Representative Director and President of Mitsui Bussan Plastic Trade Co., Ltd. (present Mitsui & Co. Plastics Ltd.) (until June 2014)
-
June2014
- Counselor of Mitsui & Co. Plastics Ltd. (until June 2015)
-
June2015
- Outside Director of the Company
-
June2021
- Outside Director (Audit Committee member) of the Company (present)
Miyuki Matoba
Audit Committee Member (Outside)
-
Date of Brith
- August 15, 1973
-
April2000
- Registered as a lawyer (Tokyo Bar Association)
-
April2013
- Executive Governor of the Japan Federation of Bar Associations (until March 2014)
-
October2015
- Senior Leader, Management Support Division of MOS FOOD SERVICES, INC.
-
April2018
- Risk Management & Compliance Group Leader of MOS FOOD SERVICES, INC. (until March 2019)
-
April2019
- General Manager, Risk Management & Compliance Office of MOS FOOD SERVICES, INC. (until September 2020)
-
September2020
- Intellectual Property and Legal Div., General Affairs H.Q. of NITTO KOHKI CO., LTD.
-
April2021
- General Manager, Intellectual Property and Legal Div., General Affairs H.Q., and compliance supervisor of NITTO KOHKI CO., LTD. (present)
-
June2021
- Outside Director (Audit Committee Member) of the Company (to date)
Executive Officers
President and Chief Executive Officer
Ikuo Ishida
Senior Managing Executive Officer
- Rimiru Hayashida
-
Chief Financial Officer (CFO)
Chief Supply Chain Officer (CSCO)
Accounting Dept., Finance Dept.,
Corporate Communications Dept.,
Purchasing Dept., Logistics Dept.
Managing Executive Officers
- Yukio Sasagawa
- Gosen Site
- Masanobu Kosaka
-
Chief Technical Officer (CTO)
Production & Process Technology Dept.,
Digital Strategy & Innovation Dept.,
Engineering Dept. - Kei Hara
-
Chief Human Resource Officer (CHRO)
Chief Compliance Officer (CCO)
Corporate Planning Dept.,
Best Practice Promoting Dept.,
HR Dept., DCU, DCG, Chinese Business
Executive Officers
- Michio Kawamura
-
Environment and Safety Dept.,
Quality Assurance Dept.,
Sustainability Promotion Dept. - Masahiro Kawai
- Managing Director of DCHA, DSPL, DAPL
- Takeshi Hagiwara
- Omi Plant
- Masahiro Omata
- Polymer Solutions
- Hiroto Horiuchi
- Electronics & Innovative Products
- Tetsuo Noguchi
- Shibukawa Plant
- Koji Nishimura
- Omuta Plant
- Taro Inada
- Life Innovation
- Akinori Adachi
- Administrative Dept., Legal Dept., Secretary Dept., Internal Control Dept.
- Muneatsu Miida
- President of Denka Performance Elastomer LLC
- Hiromichi Awada
- Chiba Plant
- Akira Kasahara
- General Manager Accounting Dept.
- Koya Takahashi
- Elastomers & Infrastructure Solutions
- Masahide Yamada
-
Chief Scientific Officer (CSO)
New Business Development
Innovation Center
DCHA: Denka Chemicals Holdings Asia Pacific Pte.Ltd.
DSPL: Denka Singapore Pte. Ltd.
DAPL: Denka Advantech Pte. Ltd.
DCU: Denka Corporation
DCG: Denka Chemicals G.m.b.H
