As of July 1, 2024
Resonac Holdings Corporation Board of Directors
Kohei Morikawa
Board Director, Chairman of the Board, President, The Society of Chemical Engineers, Japan
He joined Showa Denko K.K. (currently the Company) in 1982. After being in charge of the R&D and business units for specialty chemicals and high-purity gases for semiconductors, he was appointed as Chief Technology Officer (CTO). From 2017, he oversaw company-wide management strategy as the Chief Executive Officer (CEO). He has knowledge and experience in the technology and markets of functional chemicals that the Company focuses on. He has been promoting reform of the Board of Directors to enhance its monitoring function since 2022, as the Chairman of the Board.
Hidehito Takahashi
Representative Director, President and Chief Executive Officer (CEO)
He joined the then Mitsubishi Bank, Ltd. in 1986. He has held management positions at GE Japan Holding Corporation and several other foreign companies. Having joined the Company in 2016, he has been promoting the Company’s growth strategy as the Chief Strategy Officer (CSO) since 2020. Since 2022, he has overseen the company-wide management strategy as Representative Director and Chief Executive Officer (CEO) and completed the integration with Hitachi Chemical. He leads Team Takahashi with ample knowledge and practical experience in business, leadership, and execution skills.
Hideki Somemiya
Board Director, Chief Financial Officer (CFO)
He joined Nomura Research Institute, Ltd. in 1990. He has advanced expertise and extensive practical experience in corporate finance and accounting based on his track record as a financial officer at foreign investment banks and Sony. He also led strategies and business related to semiconductors and system solutions at Sony Corporation. Since joining the former Showa Denko in 2021, he has been implementing financial and accounting strategies to improve profitability and corporate value.
Tomomitsu Maoka
Board Director, Chief Strategy Officer (CSO)/Chief Risk Management Officer (CRO)
He joined A.T. Kearney, Inc. in 1999. He joined Renesas Electronics Corporation in 2013 after serving as a strategy and business manager at foreign companies. He has accumulated a track record in a number of corporate planning and China business management executive positions, and possesses advanced expertise and extensive practical experience in management strategy and global management of technology companies. Since joining the Company in October 2021, he has been promoting the advancement of management strategy, risk management, and global expansion.
Nori Imai
Board Director, Chief Human Resource Officer (CHRO)
She joined former Hitachi Chemical in 1995 In addition to sales experience in the US, she has experience in multiple businesses and corporate planning. She served as a leader from Hitachi Chemical during the integration of the two companies. Since 2022 after the integration, she has been leading the permeation of Purpose and Values, integration of HR systems and personnel systems, and laying the foundation for cultural transformation as the Chief Human Resource Officer (CHRO).
Kozo Isshiki
Outside Board Director
He joined the then Japan Development Bank in 1969. He has worked in the financial industry for many years, and possesses extensive experience in long-term financial operations and commercialization of new technologies through investment funds. He has been responsible for the chemical industry and a group of chemical companies as industrial sectors, and possesses deep insights into the chemical industry.
Since becoming an Outside Officer of the Company in 2019, he has been supervising overall business execution, and has provided deep understanding and useful advice on the Company's business.
Noriko Morikawa
Outside Board Director
She joined CHORI CO., LTD. in 1981. After working at a securities firm and an accounting firm in the US, she was involved in management as a head of administrative departments such as accounting, finance, and personnel in the information and communication industry and the automotive parts industry at both Japanese and foreign global companies. Since becoming an Outside Director of the Company in 2020, she has been providing valuable advice to the Company’s management, especially regarding the execution of administrative department operations and global business development.
Tetsuo Tsuneishi
Outside Board Director, Corporate Director, Tokyo Electron Device Ltd.
After joining the then Tokyo Electron Laboratories, Inc. in 1976 and gaining overseas business experience, he became Chairman of the Board of Directors in 2015. His track record of leading companies to growth as a manager has given him advanced expertise and extensive practical experience in global management and the semiconductor business. He was appointed Vice Chairman of the Japan Association of Corporate Directors in 2022. Since becoming an Outside Director of the Company in 2023, he has been providing important advice on corporate governance reforms aimed at by the Company, utilizing his knowledge of corporate governance.
Kenji Yasukawa
Outside Board Director, Representative Director, Chairman of the Board, Astellas Pharma Inc.
He joined the then Yamanouchi Pharmaceutical Co., Ltd. in 1986. He is currently serving as Representative Director and Chairman of the Board of the company. With a background in a top Japanese pharmaceutical firm that operates globally and has undergone corporate integration, he possesses development experience in the US, has been involved in management strategy and sales oversight, and has broad experience and insights as a manager of a leading company with diverse human resources.
Resonac Holdings Corporation Audit & Supervisory Board
Toshiharu Kato
Full-time Audit & Supervisory Board member
He has been involved for many years in the corporate planning department as well as in the finance and accounting departments both in Japan and overseas, and since 2017, he has served as the Chief Financial Officer (CFO), overseeing the finance and accounting departments. He has ample knowledge and extensive practical experience in corporate planning, finance, and accounting.
Mitsuo Katayose
Full-time Audit & Supervisory Board member
He joined former Hitachi Chemical in 1987. He was involved in R&D in the electronics materials area, functional materials business planning, and the automotive parts business, and led the creation of new businesses and products as Chief Technology Officer (CTO). After integration, as General Manager of the High Performance Materials Business Headquarters, he has promoted the integration of both companies' materials businesses and the creation of technical synergies. He has the ability, knowledge, and broad experience to perform audits of business operations in an accurate and fair manner.
Masako Yajima
Outside Member of Audit & Supervisory Board Foreign Law Joint Enterprise Partner, Nishimura & Asahi
As an attorney at a law firm that focuses on corporate law, she handles cases related to crisis management and disputes. She has experience and a high level of insight as a lawyer with extensive international experience in corporate legal affairs. In addition to ensuring the appropriateness and legality of business execution in the globalization of the Company’s business and M&As, she has been providing forward-looking legal advice utilizing knowledge and experience in preventive law.
Yasuyuki Miyasaka
Outside Member of Audit & Supervisory Board President, Yasuyuki Miyasaka CPA Office
As a certified public accountant involved in audits domestically and internationally for many years, he possesses advanced expertise and extensive experience in corporate finance and accounting. He has served as an Outside Audit & Supervisory Board Member of the Company since 2022 and provided advice from the perspective of ensuring the appropriateness of business execution. From his standpoint as a specialist, he provides useful advice on how the Company can earn sufficient returns that exceed its cost of capital.
Kiyoko Toda
Outside Member of Audit & Supervisory Board
She has extensive business experience and advanced expertise in corporate finance and accounting, and ethical compliance related to manufacturing and financial institutions that operate globally. She has audit experience with Japanese and multinational companies at an accounting firm in the US, and has been involved in the management of Japanese subsidiaries of foreign companies as the head of the finance and accounting department and the ethics and compliance department.
