Members of the Board of Director

(As of June 24, 2026)

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 June 24, 2026)
707 thousand shares
■Meeting body attended and attendance status (FY2025)
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
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 June 24, 2026)
144 thousand shares
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (15/15)
ESG Committee: 100% (3/3)

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 MUFG 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
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 June 24, 2026)
49 thousand shares
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (15/15)
ESG Committee: 100% (3/3)
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)
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 June 24, 2026)
16 thousand shares
■Meeting body attended and attendance status (FY2025)
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 June 24, 2026)
9 thousand shares
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (15/15)
ESG Committee: 100% (3/3)
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 June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
Board of Directors: 93% (14/15)
Group Nomination Committee: 100% (6/6)

Group Remuneration Committee: 100% (5/5) 

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
Jun. 2015 Managing Director of Panasonic Corporation, President of AVC Networks Company
Apr. 2016 Representative Director and Senior Managing Director of Panasonic Corporation
Nov. 2017 Representative Director and President of Soen Co., Ltd. (to present)
Sep. 2021 Outside Director of cars Inc. (to present)
Nov. 2021 Outside Director of Farmnote Holdings, Inc. (to present)
Jun. 2023 Member of the Board of Directors, Outside Director of the Company (to present)
Mar. 2024 Outside Director of Daiwa House Ventures Co., Ltd. (to present)
Mar. 2025 Outside Director of EneCoat Technologies Co., Ltd. (to present)

■Important Concurrent Holding of Positions
Representative Director and President of Soen Co., Ltd.
Outside Director of cars Inc.
Outside Director of Farmnote Holdings, Inc.
Outside Director of Daiwa House Ventures Co., Ltd.
Outside Director of EneCoat Technologies Co., Ltd.
■Shares held (As of June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (15/15)
Group Nomination Committee: 100% (6/6)

Group Remuneration Committee: 100% (5/5)

 

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
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)
Jun. 2025 Auditor of the Japanese Medical Science Federation (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
Auditor of the Japanese Medical Science Federation
■Shares held (As of June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
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)

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
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)
Executive Director of Japan Society of Obstetrics and Gynecology (to present)
Director of the Japanese Medical Science Federation (to present)
Director of the Japanese Association of Medical Sciences (to present)
Apr. 2026 Director of Fukuoka Sanno Hospital (to present)
Professor, Faculty of Medicine of International University of Health and Welfare Graduate School (to present)

■Important Concurrent Holding of Positions
Director, The Japan Society for Menopause and Women’s Health
Executive Director, Japan Society of Obstetrics and Gynecology
Director of the Japanese Medical Science Federation
Director of the Japanese Association of Medical Sciences
Director of Fukuoka Sanno Hospital
Professor, Faculty of Medicine of International University of Health and Welfare Graduate School
■Shares held (As of June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
Board of Directors: 90% (10/11)

Member of the Board of Directors (Outside Director)

James C. Feliciano

Date of birth: September 22, 1969/ Gender: Male

Oct. 2009 General Manager of Vaccine Business Department, Pfizer Japan Inc.
Nov. 2013 Representative Director and President, Merck Serono Co., Ltd. (currently Merck Biopharma Co., Ltd.)
Jun. 2015 President of AbbVie GK
Mar. 2025 President of 3C Advisor GK (to present)
Sep. 2025 Representative Director and President of Surzen Biotherapeutics Co., Ltd. (to present)
Jun. 2026 Member of the Board of Directors, Outside Director of the Company (to present)

■Important Concurrent Holding of Positions
President of 3C Advisor GK
Representative Director and President of Surzen Biotherapeutics Co., Ltd.
■Shares held (As of June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
Board of Directors: - (Newly appointed)

Member of the Board of Directors, Audit and Supervisory Committee 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)
Audit & Supervisory Board Member of ASKA Pharmaceutical Co., Ltd. (to present)
Audit & Supervisory Board Member of ASKA Pharma Medical Co., Ltd. (to present)
Jun. 2026 Member of the Board of Directors, Audit and Supervisory Committee Member (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 June 24, 2026)
12 thousand shares
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (15/15)
Audit & Supervisory Board: 100% (17/17)

Member of the Board of Directors, Outside Director, Audit and Supervisory Committee 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
Jun. 2026 Member of the Board of Directors, Outside Director, Audit and Supervisory Committee Member (to present)

■Important Concurrent Holding of Positions
-
■Shares held (As of June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (15/15)
Audit & Supervisory Board: 100% (17/17)

Member of the Board of Directors, Outside Director, Audit and Supervisory Committee 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
Jun. 2025 Outside Audit & Supervisory Board Member of the Company
Dec. 2025 Representative of Koki Yamashita Tax Accountant Office (to present)
Jun. 2026 Member of the Board of Directors, Outside Director, Audit and Supervisory Committee Member (to present)

■Important Concurrent Holding of Positions
Representative of Koki Yamashita Tax Accountant Office
■Shares held (As of June 24, 2026)
-
■Meeting body attended and attendance status (FY2025)
Board of Directors: 100% (11/11)
Audit & Supervisory Board: 100% (12/12)

Corporate Officers

(As of June 24, 2026)

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.
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.