Governance Governance

List of Directors and Skill Matrix

As of June 20, 2025

List of Directors and Skill Matrix

List of Directors
Representative Director, Chairman
Toshio Imai
April 1982 Joining the Company
October 2006 Head of Styrene Business Department
June 2011 Head of Corporate Planning Department of the Company
April 2013 Executive Officer, Assistant General Manager Elastomer & Performance Plastics
April 2015 Head of Elastomer & Performance Plastics
April 2017 Executive Officer
April 2019 Denka Value-Up Promotion Office Director
June 2019 Director and Executive Officer
April 2020 Director and Senior Executive Officer
April 2021 Representative Director, President
April 2025 Representative Director and Chairman of the Company (current position)
President and CEO
Ikuo Ishida
April 1985 Joining the Company
April 2009 General Manager of the Functional Film Department, Electronic Materials Division, Electronic Materials Business Headquarters
October 2011 Electronic Materials Division, Advanced Fillers Department Manager
October 2013 Electronics and Innovative Products Department, Advanced Functional Materials Department Manager
April 2017 Assistant to the General Manager of Electronics and Innovative Products Division
April 2019 Executive Officer,General Manager,Electronics and Innovative Products
April 2023 Executive Officer
June 2023 Director and Executive Officer
April 2025 Representative Director, President (current position)
Director
Rimiru Hayashida
April 1985 Joining the Company
April 2009 Company Accounting Department Manager
April 2017 Company Executive Officer, Head of Accounting Department
April 2021 Executive Officer of the Company
April 2023 Executive Officer
June 2024 CFO in charge of financial strategy
April 2025 Executive Officer, Senior Managing Executive Officer (current position)
Director
Masanobu Kosaka
April 1985 Joining the Company
April 2015 Omi Plant Assistant Manager
November 2015 Vice President, Denka Performance Elastomer LLC LLC
June 2019 Deputy Factory Manager of our Omi Plant
April 2021 Company Executive Officer, Omi Plant
April 2023 Executive Officer of the Company
April 2025 Managing Executive Officer of the Company (current position)
Outside Director
RUMIKO NAKATA
April 1979 Joined Esso Standard Oil Co., Ltd.
April 1996 Industrial Society Research Center
June 2000 Joined Pfizer Inc.
February 2007 Head of Human Resources (Public Relations) for Pharmaceutical Development
May 2010 Company Business Partner
HR Group General Manager
December 2011 Company Executive Officer, Head of Human Resources and General Affairs Department
January 2014 Executive Officer, Director of the Company
March 2018 Mitsubishi Chemical CorporationExecutive Officer, Diversity Promotion
April 2019 Executive Officer, in charge of Human Resources Department
April 2020 Director and Managing Executive Officer of the company, in charge of the General Affairs Department, Public Relations Department, and Human Resources Department
April 2021 Managing Executive Officer and Director in charge of resources
April 2022 Company Director
March 2023 Outside Director, Kyowa Kirin Co., Ltd. (current)
June 2024 Outside Director of the Company (current)
Director and Full-time audit committee member
Mizuhiro Uchida
April 1984 Joining the Company
April 2008 General Manager of Business Planning Department, Resin Processing Division, Resin Processing Business Headquarters of the Company
April 2010 Company Materials Department Manager
April 2014 Chiba Plant Assistant General Manager
July 2017 Head of Internal Audit Department
April 2021 Head of Internal Control Department
April 2023 Attached to audit committee Office of the Company
June 2023 Company's Director, audit committee member (current)
Outside Director and audit committee member
Toshio Kinoshita
July 1983 Certified public accountant registration
July 1989 U.S. Partner, Coopers & Lybrand (currently: PricewaterhouseCoopers) (until June 1998)
June 1994 Representative Employee, Chuo Audit Corporation (until July 2005)
July 1998 U.S. PricewaterhouseCoopers LLP New York Head Office North America Partner in Charge (until June 2005)
July 2005 Representative Director, International Department, Chuo Aoyama Audit Corporation, Tokyo (to June 2007)
July 2007 Executive Director, Japanese Institute of Certified Public Accountants (to July 2013)
July 2013 Director, Japanese Institute of Certified Public Accountants (to July 2016)
June 2014 Outside Audit & Supervisory Board Member, Panasonic Corporation (until June 2022)
July 2014 Representative Director, Global Professional Partners, Inc. (until December 2024)
August 2014 Outside Audit & Supervisory Board Member, Weathernews Inc. (until August 2018)
March 2015 Outside Director, Asatsu-DK Inc. (until December 2018)
June 2015 Company Outside Audit & Supervisory Board Member
Outside Director, TACHI-E Co., Ltd. (current position)
July 2015 Outside Director, Mizuho Bank, Ltd. (until September 2019)
January 2018 SleepLog Group, Inc. Outside Director (current: GigWorks, Inc.)(~January 2022)
June 2019 Audit committee member (Outside)of the Company (current position)
January 2025 Global Professional Partners, Inc. Chairman of the Board (current position)
Outside Director and audit committee member
Akio Yamamoto
April 1974 Mitsui & Co.,Ltd. joined
April 1999 Mitsui & Co.,Ltd. President, Benelux
April 2004 Mitsui & Co.,Ltd. Deputy General Manager, Inorganic Chemicals Department
April 2007 Mitsui & Co.,Ltd. Executive Officer (to March 2010), President, Mitsui & Co., Ltd. (Thailand)
April 2009 President, Mitsui & Co.,Ltd. Plastic Trade (current: Mitsui & Co.,Ltd. Plastic) (until June 2014)
June 2014 Company advisor (until June 2015)
June 2015 Outside Directors
June 2021 Audit committee member (Outside)of the Company (current position)
Outside Director and audit committee member
Miyuki Matoba
April 2000 Registered as a lawyer (Tokyo Bar Association)
April 2013 Executive Director, Japan Federation of Bar Associations (to March 2014)
October 2015 Senior Leader, Management Support Department, MOS Food Services, Inc.
April 2018 Company Risk and Compliance Group Leader (to March 2019)
April 2019 Former Company Risk & Compliance Department General Manager
September 2020 NITTO KOHKI CO., LTD.Legal Department
April 2021 General Manager of Intellectual Property and Legal Department, Corporate Administration Division (current position)
June 2021 Audit committee member (Outside)of the Company (current position)
April 2025 Vice President, Tokyo Bar Association (current)
Skills matrix
Attribute Skills
Independent
Outside
tenure
Years
Gender Corporate management and management planning Human Resources
value
creation
Global business Financial strategy and accounting Legal and
Compliance
ESG and
sustainability
Creating Business Value and Marketing R&D and Intellectual Property Technical expertise and manufacturing DX
E
Environment
S
(Social)
G
(Governance)
Chairman of the Board Toshio Imai 6 M
President and Representative Director Ishida Ikuo President, Executive Officer 2 M
Directors RIMIRU HAYASHIDA Executive Officer M
Directors Masanobu Kousaka Executive Officer M
Directors RUMIKO NAKADA 1 F
Directors Michael Uchida Full-time audit committee member 2 M
Directors Toshio Kinoshita audit committee member 10 M
Directors Akiyoshi Yamamoto audit committee member 10 M
Directors Miyuki Matoba audit committee member 4 F
(Reference: Skill matrix of Executive Officers who are not concurrently serving as Directors)
Yukio Sasakawa Executive Officer M
Hara Takashi Executive Officer M
  • Among the knowledge and experience possessed by each candidate, the items that can be particularly expected at the Board of Directors are indicated.
  • F:Female, M:Male
Skills Required for Our Board of Directors and Reasons

Under the new vision, the Company believes that the skills required for the Board of Directors to make important decisions and exercise oversight in the promotion of ESG management through the achievement of the eight-year management plan "Mission 2030" and addressing the most important management issues (materiality) are as follows.

Skills Reason for selecting skills
Corporate management and management planning To achieve the Denka Vision, Directors with abundant management experience and track records are required to formulate and review management plans and supervise the execution of operations aimed at achieving those plans.
Human Resources Value Creation In order to achieve HR investment and system reform, a director with abundant knowledge and experience in HR value creation is necessary to realize a company that allows each employee to feel self-fulfillment and growth.
Global business In order to become specialists who make the world a better place with the power of chemistry, as stated in our purpose in our vision, we need directors who have extensive global business experience.
Financial strategy and accounting Companies must have directors with solid knowledge and experience in financial strategy and accounting in order to improve profitability and efficiency by pursuing optimal capital structure and advancing selection and concentration of businesses in addition to disclosing accurate financial information.
Legal and Compliance In order to appropriately respond to increasingly complex laws and regulations in Japan and overseas and conduct fair and trustworthy corporate activities, it is necessary to have directors with solid knowledge and experience in the legal and compliance fields.
ESG and Sustainability E (Environment) In order to fulfill our corporate social responsibilities, it is essential to address the three issues of "achievement of carbon neutrality," "sustainable cities and fulfilling daily lives," and "environmental conservation and minimization of environmental footprint," which are prerequisites for continuing our business. To this end, we need directors who possess extensive knowledge and experience in E (environment).
S (Social) In order to fulfill our corporate social responsibility through the respect of human rights and participation in the formation of better local communities, in addition to providing safe and high-quality products, we need directors with solid knowledge and experience in S (Social) matters.
G (Governance) In order to fulfill our social responsibilities as a corporate citizen, it is essential to establish a more advanced and effective corporate governance system based on transparency and fairness under high ethical standards. To this end, it is necessary to have directors with a solid knowledge and experience of governance.
Creating Business Value and Marketing In the three focus areas of ICT & Energy, Healthcare, and Sustainable Living, we aim to transform our business portfolio by achieving our target of 100% three-star businesses, which meet the three criteria of specialty, megatrends, and sustainability. To facilitate this transformation, we need directors with deep market insights based on a broad perspective and extensive business experience.
R&D and Intellectual Property In the three focus areas of ICT & Energy, Healthcare, and Sustainable Living, to create business value, in addition to a track record of promoting innovation, we need directors who have a deep knowledge of science and technology and are familiar with our technologies and intellectual property.
Technical expertise and manufacturing To facilitate the improvement of productivity through process innovation in the creation of management value and the establishment of a workplace environment that is safe and trusted products, it is essential to have directors who are well-versed in technology and possess extensive experience and sound knowledge in manufacturing sites.
DX In order to promote business model and organizational reforms through process innovation, it is necessary to have Directors who possess deep knowledge and extensive experience regarding digital technologies and data utilization, as well as the ability to understand and analyze our business and operations and bring about reform.
Company's Standards for Independence of Outside Directors

The Company selects candidates for outside directors based on substantial criteria, such as whether the candidate is expected to contribute to the improvement of the Company’s corporate value, in addition to the requirements for outside directors stipulated in the Companies Act. Specifically, in addition to the outside director requirements stipulated in the Companies Act, the Company has established the following criteria based on the independence standards established by the Tokyo Stock Exchange.

Standards for independence of outside directors

The independence standards for outside directors of the Company are as follows.

  1. The executing officers (*4) of major customers (*1), major suppliers (*2), and major lenders (*3) that are our major business partners.
  2. Consultants, accountants, lawyers, etc. who have received money or other property exceeding 10 million yen annually from the Company in addition to officer remuneration during the most recent fiscal year
  3. If the person who has obtained the property set forth in (2) above is a group, the person must belong to a group whose total payments from the Company in the most recent accounting fiscal year accounted for 2% or more of the group's sales or total income.
  4. Persons who fall under (1) to (3) above during the past year
  5. Spouses or relatives within the second degree of kinship of the following persons (excluding persons of no importance)
    Persons corresponding to (1) to (4) above
    Persons who are or were an executive officer of the Company or any of its subsidiaries during the past or current period of one year
  • ※1Major customers: Customers for which payments from the relevant customer accounted for 2% or more of our total sales in the most recent fiscal year
  • ※2Major suppliers: Suppliers for which the amount paid by the Company accounts for 2% or more of the supplier's sales in the most recent fiscal year
  • ※3Major lenders: As of the most recent fiscal year-end, lenders that are indispensable for our fund procurement and to which we are dependent to the extent that there are no alternatives
  • ※4Executive Officers: Executive Directors, Executive Officers, Employees, etc.
DFF Inc., Denka Company Limited CSR and Public Relations Office, Denka Company Limited IR Office, Seiwa Business Link
Governance
Corporate Governance

Corporate Governance

Our Company has established the Core Values of "Integrity" and "Innovation" as the foundation of our corporate activities. Based on these Core Values, we will continue to respond to the expectations and trust of many stakeholders, including shareholders, customers, local communities, and employees.

Governance
BCP

BCP

Our basic policy on BCP is as follows. Even in the event of a crisis or disaster that has a significant impact on our business activities, we will prioritize the safety of human life...

Governance
Internal control

Denka Group's Internal Control

Our Philosophy and StandardsThe Denka Group has established materiality (important management issues) that it should address to achieve the SDGs. One of these is the...

Governance
Board of Directors and Skill Matrix

Board of Directors and Skill Matrix

Policy on the operation of the Board of Directors and roles and responsibilities Number of meetings held and attendance of each committee Implementation evaluation of the Board of Directors ...

Governance
List of Directors and Skill Matrix

List of Directors and Skill Matrix

List of DirectorsRepresentative Director, ChairmanToshio Imai(April 1982...

Governance
Basic Policy on Compliance

Compliance Basic Policy

The Denka Group understands that compliance goes beyond the observance of laws and regulations, the Articles of Incorporation, and internal rules and regulations. It also includes the observance of corporate ethics and social norms as a good corporate citizen.

Governance
Basic Policy on Compliance

Denka Group Code of Ethics

The Denka Group Code of Ethics establishes standards of conduct that must be followed by officers and employees of Denka Group companies in order to maximize corporate value. Denka is...

Governance
Basic Policy on Compliance

Global Common Business Conduct Standards -Standards of Business Conduct-

Established in October 2019, revised on July 1, 2023 Denka has established the Denka Group Ethics Regulations to ensure that all officers and employees of the Denka Group act in accordance with these Regulations.

Governance
Basic Policy on Compliance

Strengthening of group compliance systems using legal hazard maps

In the "Legal Hazard Map" prepared by Denka, approximately 10 legal fields related to Denka Group businesses are selected to identify compliance risks across the Group.

Governance
Basic Policy on Compliance

Denka Global Compliance Program

The Legal Department conducts compliance training based on the Business Conduct Guidelines, which prohibit all forms of corruption, and the Legal Hazard Map.

Governance
Basic Policy on Compliance

Establishment of group policies (common regulations for the entire group) and company-wide common regulations

Denka has established the Information Security Group Policy in accordance with ISO27001, an international standard for information security.

Governance
Risk Management

Risk Management

Denka's Risk Management System Integrated risk management and Risk Management Committee ...

Governance
Whistleblowing system

Whistleblowing system

1. Introduction 2. Persons Targeted and Contents 3. How to Make Reports 4. Response After Receipt of Reports 5. Protection of Whistleblowers

Governance
System for legal review of contracts

System for legal review of contracts

In order for Denka Group companies to conduct fair transactions with customers and suppliers, it is essential to examine the terms of contracts from legal and business perspectives...

Governance
Measures against corruption and anti-social forces

Measures against corruption and anti-social forces

Measures to Prevent CorruptionThe Denka Group prohibits all forms of corruption, including acts that violate laws and regulations such as bribery and excessive entertainment and gifts that go beyond common social practices...

Governance
Export control

Export control

Denka prohibits the export of products and technologies that may lead to the development and manufacture of weapons of mass destruction in accordance with the security export control established by the Denka Group Ethical Standards and Denka's company-wide common...

Governance
Prevention of insider trading

Prevention of insider trading

Denka, in order to maintain the fairness of securities transactions and the trust in securities markets, as well as to prevent the illicit use of the Company’s information assets, has established the Denka Group Ethical Guidelines and...

Governance
Tax Policy

Tax Policy

The Denka Group has established the Denka Group Ethical Regulations as the foundation of its compliance system to set forth standards of conduct for the entire Denka Group. In addition, the Denka Group has put in place the Denka Group Code of Conduct and the Denka Group CSR Procurement Guidelines to further promote compliance.

Governance
Information security management

Information security management

Strengthening of group ICT governance Information security basic policy Management of information posted on website Information se...

Governance
Intellectual property management

Intellectual property management

[Basic Policy] Main Intellectual Property Activities Intellectual Property Activities [Basic Policy]...

Governance
Quality Assurance Management

Quality assurance management

Basic Policy (Quality Policy) Quality assurance system and measures to prevent recurrence of quality misconduct Product safety and quality risk assessment...

Governance
Activities to Improve Customer Satisfaction

Activities to Improve Customer Satisfaction

In the Electronics and Innovative Products Division, we conduct a customer satisfaction survey once a year to accurately respond to customer requests and reflect the evaluations received in our quality assurance activities...