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Board Members and Corporate Officers

Members of the Board of Director

(The end of May 2025)

Member of the Board of Directors, Representative Director, Chairman of the Board

Takashi Yamaguchi

Date of birth: May 10, 1952 / Gender: Male

Apr. 1978 Joined ASKA Pharmaceutical Co., Ltd.
Dec. 1987 Member of the Board of Directors of ASKA Pharmaceutical Co., Ltd.
Jun. 1991 President, Member of the Board of Directors, Representative Director of ASKA Pharmaceutical Co., Ltd.
Apr. 2021 President, Member of the Board of Directors, Representative Director of the Company
Jun. 2021 Member of the Board of Directors, Representative Director, Chairman of the Board of ASKA Pharmaceutical Co., Ltd. (to Present)
Jun. 2025 Member of the Board of Directors, Representative Director, Chairman of the Board of the Company (to Present)

■Important Concurrent Holding of Positions
Member of the Board of Directors, Representative Director, Chairman of the Board of ASKA Pharmaceutical Co., Ltd.
■Shares held (As of March 31, 2025)
703 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)

President, Member of the Board of Directors, Representative Director

Sohta Yamaguchi

Date of birth: December 17, 1983 / Gender: Male

Apr. 2008 Joined Hitachi, Ltd.
May. 2011 Registered as a patent attorney
Feb. 2016 Joined ASKA Pharmaceutical Co., Ltd.
Jun. 2017 Member of the Board of Directors, Executive Corporate Officer, in charge of Innovative Drug Discovery of ASKA Pharmaceutical Co., Ltd.
Jun. 2019 Managing Member of the Board of Directors, in charge of Innovative Drug Discovery, Development, and Business Strategy of ASKA Pharmaceutical Co., Ltd.
Apr. 2020 Managing Member of the Board of Directors, in charge of Innovative Drug Discovery, Development, Business Development, and Medical Affairs of ASKA Pharmaceutical Co., Ltd.
Apr. 2021 Member of the Board of Directors of the Company
Jun. 2021 Senior Managing Member of the Board of Directors, Representative Director of the Company
Jun. 2021 President, Member of the Board of Directors, Representative Director of ASKA Pharmaceutical Co., Ltd. (to Present)
Jun. 2025 President, Member of the Board of Directors, Representative Director of the Company (to Present)

■Important Concurrent Holding of Positions
President, Member of the Board of Directors, Representative Director of ASKA Pharmaceutical Co., Ltd.

■Shares held (As of March 31, 2025)
141 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)
Group Nomination Committee: 100% (4/4)
Group Remuneration Committee: 100% (3/3)
ESG Committee: 100% (2/2)

Senior Managing Member of the Board of Directors, Representative Director

Atsushi Maruo

Date of birth: February 10, 1959 / Gender: Male

Apr. 1981 Joined The Mitsubishi Bank, Ltd. (currently MUFG Bank, Ltd.)
Apr. 2009 Tohoku Region Manager and Sendai Branch Manager of The Mitsubishi Bank, Ltd.
Oct. 2010 Corporate Officer of ASKA Pharmaceutical Co., Ltd.
Jun. 2011 Member of the Board of Directors, Executive Corporate Officer of ASKA Pharmaceutical Co., Ltd.
Jun. 2014 Senior Managing Member of the Board of Directors of ASKA Pharmaceutical Co., Ltd.
Jun. 2015 Member of the Board of Directors of ASKA Pharma Medical Co., Ltd.
Member of the Board of Directors of ASKA Animal Health Co., Ltd.
Jun. 2019 Senior Managing Member of the Board of Directors, Representative Director of ASKA Pharmaceutical Co., Ltd.
Apr. 2021 Member of the Board of Directors of the Company
Jun. 2021 Senior Managing Member of the Board of Directors, Representative Director of the Company
Jun. 2021 Member of the Board of Directors, Vice Chairman of the Board of ASKA Pharmaceutical Co., Ltd. (to Present)
Apr. 2023 Senior Managing Member of the Board of Directors, Representative Director, in charge of Sustainability of the Company (to Present)

■Important Concurrent Holding of Positions
Member of the Board of Directors, Vice Chairman of the Board of ASKA Pharmaceutical Co., Ltd.
■Shares held (As of March 31, 2025)
45 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)
Group Nomination Committee: 100% (4/4)
Group Remuneration Committee: 100% (3/3)
ESG Committee: 100% (2/2)
Group Compliance Promotion Committee: 100% (2/2)

Member of the Board of Directors, Executive Corporate Officer

Maiko Mori

Date of birth: April 20, 1964 / Gender: Female

Apr. 1987 Joined ASKA Pharmaceutical Co., Ltd.
Jun. 2011 Director of Pharmaceutical Information Department of ASKA Pharmaceutical Co., Ltd.
Jul. 2017 Director of Pharmaceutical Affairs Department of ASKA Pharmaceutical Co., Ltd.
Apr. 2020 Division Director of Quality & Safety Assurance Division of ASKA Pharmaceutical Co., Ltd.
Jun. 2020 Corporate Officer, Division Director of Quality & Safety Assurance Division of ASKA Pharmaceutical Co., Ltd.
Jun. 2022 Member of the Board of Directors, Executive Corporate Officer, Division Director of Quality & Safety Assurance Division of ASKA Pharmaceutical Co., Ltd. (to Present)
Jun. 2022 Member of the Board of Directors, Executive Corporate Officer of the Company (to Present)

■Important Concurrent Holding of Positions
Member of the Board of Directors, Executive Corporate Officer, Division Director of Quality & Safety Assurance Division of ASKA Pharmaceutical Co., Ltd.

■Shares held (As of March 31, 2025)
14 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)
Group Compliance Promotion Committee: 100% (2/2)

Member of the Board of Directors, Executive Corporate Officer

Fumiyoshi Yamaguchi

Date of birth: November 3, 1986 / Gender: Male

Jul. 2011 Joined ASKA Pharmaceutical Co., Ltd.
Apr. 2019 Corporate Officer, in charge of New Business Development and Assistant Director of Healthcare Business Unit of ASKA Pharmaceutical Co., Ltd.
Jun. 2020 Corporate Officer, in charge of Special Appointments of ASKA Pharmaceutical Co., Ltd., Member of the Board of Directors of ASKA Animal Health Co., Ltd.
Jan. 2021 President, Member of the Board of Directors, Representative Director of ASKA Animal Health Co., Ltd. (to Present)
Jun. 2021 Corporate Officer, in charge of Special Appointments of the Company
Jun. 2022 Member of the Board of Directors, Executive Corporate Officer of the Company (to Present)

■Important Concurrent Holding of Positions
President, Member of the Board of Directors, Representative Director of ASKA Animal Health Co., Ltd.
■Shares held (As of March 31, 2025)
8 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)
ESG Committee: 100% (2/2)
Group Compliance Promotion Committee: 100% (2/2)

Member of the Board of Directors (Outside Director)

Minoru Awabayashi

Date of birth: December 19, 1952 / Gender: Male

Jul. 1978 Established Nihon Yo-Flow Co., Ltd. President and Representative Director
Jul. 1983 Established Pacific Marketing Partners, Inc. in the U.S. Managing Director
Jul. 1997 Established Omniglow Japan Co., Ltd. Vice President and Representative Director
Apr. 2005 President and Representative Director, Omniglow Japan Co., Ltd.
Apr. 2016 Senior Vice President, Takenaka Partners Corp. 
Jun. 2023 Member of the Board of Directors, Outside Director of the Company (to Present)
Oct. 2024 Founder CEO of M&A Strategy Advisors Co., Ltd. (to Present)

■Important Concurrent Holding of Positions
Founder CEO of M&A Strategy Advisors Co., Ltd.
■Shares held (As of March 31, 2025)
-
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)
Group Nomination Committee: 100% (4/4)

Group Remuneration Committee: 100% (3/3) 

Member of the Board of Directors (Outside Director)

Yasuji Enokido

Date of birth: June 30, 1960 / Gender: Male

Apr. 1983 Joined Matsushita Electric Industrial Co. Ltd. (currently Panasonic Corporation)
Aug. 2007 President of Panasonic Avionics Corporation
Apr. 2013 Executive of Panasonic Corporation
Apr. 2015 Managing Executive Officer of Panasonic Corporation, President of AVC Networks Company
Jun. 2015 Managing Director of Panasonic Corporation
Apr. 2016 Representative Director and Senior Managing Director of Panasonic Corporation
Nov. 2017 Representative Director and President of Soen Co., Ltd. (to Present)
Jun. 2023 Member of the Board of Directors, Outside Director of the Company (to present)

■Important Concurrent Holding of Positions
Representative Director and President of Soen Co., Ltd.
■Shares held (As of March 31, 2025)
-
■Meeting body attended and attendance status (FY2024)
Board of Directors:  100%(15/15)
Group Nomination Committee: 100% (4/4)

Group Remuneration Committee: 100% (3/3)

 

Member of the Board of Directors (Outside Director)

Kanae Karita

Date of birth: July 2, 1963 / Gender: Female

    
Mar. 1986 Graduated from the School of Health Sciences of the Faculty of Medicine, the University of Tokyo
Mar. 1988 Completed master course of the Graduate School of Medicine, the University of Tokyo
Nov. 1989 Assistant of the Department of Hygiene, School of Medicine, Teikyo University
Jul. 2001 Lecturer of the Department of Hygiene and Public Health, School of Medicine, Teikyo University
Sep. 2007 Associate Professor of the Department of Hygiene and Public Health, Faculty of Medicine, Kyorin University
Apr. 2015 Professor of the Department of Hygiene and Public Health, Faculty of Medicine, Kyorin University (to Present)
Director of the Gender Equality Promotion Office, Kyorin University
Jun. 2019 Director of the Japanese Medical Science Federation
Director of the Japanese Association of Medical Sciences (to Present)
Mar. 2022 Member of the Photochemical Oxidant Health Impact Assessment Committee, Ministry of the Environment
Apr. 2024 Member of the Food Safety Standards Council, Cabinet Office (to Present)
Jun. 2024 Member of the Board of Directors, Outside Director of the Company (to Present)

■Important Concurrent Holding of Positions
Professor of the Department of Hygiene and Public Health, Faculty of Medicine, Kyorin University

Director of the Japanese Association of Medical Sciences
Member of the Food Safety Standards Council, Cabinet Office
■Shares held (As of March 31, 2025)
-
■Meeting body attended and attendance status (FY2024)
Board of Directors:  100%(10/10)

Member of the Board of Directors (Outside Director)

Kiyoko Kato

Date of birth: September 6, 1960/ Gender: Female

Mar. 1986 Graduated from the School of Medicine, Kyushu University
Jul. 2009 Associate Professor of the Department of Obstetrics and Gynecology, Juntendo University Graduate School of Medicine
Aug. 2012 Professor, Reproductive Pathological Physiology, Faculty of Medical Sciences, Kyushu University (to Present)
Nov. 2015 Director, The Japan Society for Menopause and Women’s Health (to Present)
Jun. 2023 Chairperson of Japan Society of Obstetrics and Gynecology
Jun. 2025 Member of the Board of Directors, Outside Director of the Company (to Present)

■Important Concurrent Holding of Positions
Professor, Reproductive Pathological Physiology, Faculty of Medical Sciences, Kyushu University
Director, The Japan Society for Menopause and Women’s Health
Executive Director, Japan Society of Obstetrics and Gynecology
■Shares held (As of March 31, 2025)
-
■Meeting body attended and attendance status (FY2024)
Board of Directors:  - (Newly appointed)

Audit & Supervisory Board Members

(As of June 24, 2025)

Audit & Supervisory Board Member

Kunihiro Gunji

Date of birth: September 26, 1961 / Gender: Male

Apr. 1984 Joined ASKA Pharmaceutical Co., Ltd.
Oct. 2008 Director of Sales Planning Promotion Department of ASKA Pharmaceutical Co., Ltd.
Oct. 2016 Assistant Division Director of Sales Division of ASKA Pharmaceutical Co., Ltd.
Jun. 2018 Corporate Officer (Division Director, Development Division) of ASKA Pharmaceutical Co., Ltd.
Jun. 2020 Corporate Officer, in charge of Audit, Legal Affairs & Regulatory Compliance of ASKA Pharmaceutical Co., Ltd.
Apr. 2021 Corporate Officer, in charge of Audit and Legal Affairs & Regulatory Compliance of the Company
Oct. 2022 Corporate Officer (Director, Information service Supervisory Unit) of ASKA Pharmaceutical Co., Ltd.
Jun. 2024 Audit & Supervisory Board Member of the Company (to Present)
Jun. 2024 Audit & Supervisory Board Member of ASKA Pharmaceutical Co., Ltd. (to Present)
Jun. 2024 Audit & Supervisory Board Member of ASKA Pharma Medical Co., Ltd. (to Present)

■Important Concurrent Holding of Positions
Audit & Supervisory Board Member of ASKA Pharmaceutical Co., Ltd.
Audit & Supervisory Board Member of ASKA Pharma Medical Co., Ltd.
■Shares held (As of March 31, 2025)
12 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (10/10)
Audit & Supervisory Board: 100% (12/12)

Audit & Supervisory Board Member

Kazuhiro Chiku

Date of birth: May 19, 1963/ Gender: Male

Apr. 1987 Joined ASKA Pharmaceutical Co., Ltd.
Apr. 2014 Director of Human Resources Department of ASKA Pharmaceutical Co., Ltd.
Jun. 2020 Corporate Officer (Assistant Division Director, Administrative Division) of ASKA Pharmaceutical Co., Ltd.
Jun. 2021 Corporate Officer (Assistant Division Director, Production Division) of ASKA Pharmaceutical Co., Ltd.
Jun. 2024 Corporate Officer, in charge of Audit and Legal Affairs & Regulatory Compliance of the Company
Jun. 2024 Corporate Officer (Director of Information service Supervisory Unit) of ASKA Pharmaceutical Co., Ltd.
Jun. 2025 Audit & Supervisory Board Member of the Company (to Present)
Jun. 2025 Audit & Supervisory Board Member of ASKA Pharmaceutical Co., Ltd. (to Present)
Jun. 2025 Audit & Supervisory Board Member of ASKA Animal Health Co., Ltd. (to Present)

■Important Concurrent Holding of Positions
Audit & Supervisory Board Member of ASKA Pharmaceutical Co., Ltd.
Audit & Supervisory Board Member of ASKA Animal Health Co., Ltd.
■Shares held (As of March 31, 2025)
4 thousand shares
■Meeting body attended and attendance status (FY2024)
Board of Directors: - (Newly appointed)
Audit & Supervisory Board: - (Newly appointed)

Outside Audit & Supervisory Board Member

Takao Kimura

Date of birth: August 9, 1951 / Gender: Male

Nov. 1975 Joined Hoechst Japan Ltd. (currently Sanofi K.K.)
Jul. 2000 President and Representative Director of Nycomed Amersham PLC
Dec. 2002 Executive Officer, General Manager of Business Development Division of Aventis Pharma Limited (currently Sanofi K.K.)
Apr. 2010 Executive Officer, Supervising Manager of Business Development Division in Asia-Pacific Region of Sanofi-aventis K.K. (currently Sanofi K.K.)
Feb. 2016 Representative Partner of TK Pharma Partners LLC.
Jun. 2017 Outside Audit & Supervisory Board Member of ASKA Pharmaceutical Co., Ltd.
Apr. 2021 Outside Audit & Supervisory Board Member of the Company (to Present)

■Important Concurrent Holding of Positions
-
■Shares held (As of March 31, 2025)
-
■Meeting body attended and attendance status (FY2024)
Board of Directors: 100% (15/15)
Audit & Supervisory Board: 100% (18/18)

Outside Audit & Supervisory Board Member

Koki Yamashita

Date of birth: February 28, 1963/ Gender: Male

Apr. 1988 Joined Tokyo Regional Taxation Bureau
Jul. 2014 Deputy District Director of Kawasaki-nishi Tax Office
Jul. 2019 District Director of Sakyo Tax Office
Jul. 2020 Manager of Co-ordinated Examination and Information Management Division, First Examination Department, Tokyo Regional Taxation Bureau
Jul. 2022 District Director of Kanda Tax Office
Aug. 2023 Tax Accountant LR Partners Kawasaki Office Manager (to Present)
Jun. 2025 Outside Audit & Supervisory Board Member of the Company (to Present)

■Important Concurrent Holding of Positions
Tax Accountant LR Partners Kawasaki Office Manager
■Shares held (As of March 31, 2025)
-
■Meeting body attended and attendance status (FY2024)
Board of Directors: - (Newly appointed)
Audit & Supervisory Board: - (Newly appointed)

Corporate Officers

(As of October 1, 2025)

Kiyohiko Tamura Executive Corporate Officer Division Director, Group Business Management Division, in charge of DX Promotion of the Company
Executive Corporate Officer, Division Director, Administrative Division of ASKA Pharmaceutical Co., Ltd.
Member of the Board of Directors of ASKA Animal Health Co., Ltd.
Member of the Board of Directors of ASKA Pharma Medical Co., Ltd.
Junichi Saito Corporate Officer Member of the Board of Directors of ASKA Pharma Medical Co., Ltd.
Tomohito Nagao Corporate Officer In charge of Audit and Legal Affairs & Regulatory Compliance of the Company
Corporate Officer, Director of Information service Supervisory Unit of ASKA Pharmaceutical Co., Ltd.
Hidenori Hori Corporate Officer President, Member of the Board of Directors, Representative Director of ASKA Pharma Medical Co., Ltd.
Director of Femtech Business Promotion Unit of ASKA Pharmaceutical Co., Ltd.