Company Profile and Executives | Corporate Information

Company Profile
List of Executives
Auditors

Company Profile

Company name	ROHTO Pharmaceutical Co., Ltd. ROHTO Pharmaceutical Co.
Founding	February 22, 1899 (Meiji 32)
Establishment	September 15, 1949 (Showa 24)
capital	6,504 million yen (as of March 2026)
Sales	140,843 million yen (standalone) 343,725 million yen (consolidated) (as of March 2026)
Number of employees	1,786 people (single entity) 9,292 people (consolidated) (as of March 2026)
Listed stock exchange	Tokyo Stock Exchange, Inc. (Prime Market)
Main business activities	Manufacture and sale of pharmaceuticals, cosmetics, functional foods, etc.

List of Executives

Director

Kunio Yamada

Chairman and Representative Director

Biography

April 1980	Joined our company
June 1991	Director
June 1992	Managing Director
March 1995	Head of Healthcare Business Promotion Division
May 1995	Director The Mentholatum Company
June 1996	Executive Vice President
July 1998	Chairman of The Mentholatum Company (current)
June 1999	President and Representative Director
June 2009	Chairman and Representative Director, Chairman and Chief Executive Officer (CEO)
August 2018	Chairman and Representative Director and President
June 2019	Chairman and Representative Director (current)
March 2021	Outside Director of Bacchus Bioinnovation Inc.

Hidetoshi Segi

President and Representative Director

Biography

April 1985	Joined Japan Vicks Co., Ltd. (currently P&G Japan)
June 1997	Joined our company
June 2018	Director
March 2022	Chief Strategy Officer (CSO)
June 2022	Director
June 2023	Managing Director
June 2025	President and Representative Director (current)

Masaya Saito

Executive Vice President and Chief Financial Officer (CFO)

Biography

April 1986	Joined our company
May 1998	President of Rohto-Mentholatum (Vietnam) Co., Ltd.
April 2008	Deputy General Manager of Management Information Division
June 2011	Director, Head of Corporate Planning Division
June 2017	Director of the Corporate Strategy Promotion Division
June 2018	Executive Vice President (current), President The Mentholatum Company (current), Chairman of Rohto-Mentholatum (Vietnam) Co., Ltd. (current)
March 2022	Chief Financial Officer (CFO) (current position)

Shinichi Kunisaki

Executive Vice President and Chief Technical Officer (CTO)

Biography

April 1981	Joined Suntory Ltd. (now Suntory Holdings Ltd.)
January 2007	Joined the company as an executive officer Research and Development Division, Development Department
February 2007	Head of Research and Development
June 2010	Director
June 2017	Director of the Corporate Strategy Promotion Division
June 2018	President and Representative Director of Qualitech Pharma Co., Ltd.
June 2020	Managing Director, E. Designer of Production and SCM Strategy Design Division
March 2022	Chief Technical Officer (CTO) (current position)
June 2023	Executive Vice President (current position)

Yoko Fujimoto

Managing Director Chief Medical Officer (CMO)

Biography

April 1992	Neurology doctor at Tokyo Metropolitan Neurological Hospital, Tokyo Metropolitan Sumida Hospital, etc.
August 1997	Research Fellow, Department of Immunology, Duke University, USA
April 2001	Tokyo Medical and Dental University (now Tokyo University of Science) Neurology staff at the University Hospital
July 2002	Joined Pharmacia Inc. (now Pfizer Inc.) R&D Clinical Development Planning Department Director of Medical Affairs, etc.
September 2019	Director and Executive Officer Head of Vaccines
June 2025	Joined our company Managing Director (current), Chief Medical Officer (CMO) (current)

Yasunori Kawasaki

Director Chief Human Resources Officer (CHRO)

Biography

April 1982	Joined Nippon Life Insurance Company
April 1986	Joined our company
October 2011	Director of MICHINOKU Future Fund (current)
July 2021	Executive Officer
March 2023	Human Resources Development and Education
June 2023	Director (current position), Chief Human Resources Officer (CHRO) (current position)
June 2024	Outside Director of Morishita Jintan Co., Ltd. (current position)

Masae Yamanaka

Director Chief Transformation Officer (CXO)

Biography

April 1987	Joined IBM Japan, Ltd.
February 2009	Joined Microsoft Japan Co., Ltd.
July 2014	Joined LIXIL Corporation
July 2017	Joined Panasonic Corporation, Managing Executive Officer of Connected Solutions Company (currently Panasonic Connect Co., Ltd.)
October 2017	Vice President and Director of Panasonic System Solutions Japan Co., Ltd. (currently On-site Solutions Company)
June 2021	Outside Director of Sanrio Co., Ltd. (current position)
June 2022	Outside Director of JTB Inc. (current position)
May 2024	Joined our company
June 2024	Director (current position), Chief Transformation Officer (CXO) (current position)

Yoichi Honma

Chief Scientific Officer (CScO)

Biography

April 1992	Joined our company
May 2012	Deputy General Manager of Research and Development Headquarters
June 2018	Director, Corporate Strategy Division
May 2019	Special Director of R&D Promotion Department
July 2021	Executive Officer
June 2024	Director (current), Chief Scientific Officer (CScO) (current)

Noriko Suenobu

Director and Chief Research Officer (CRO)

Biography

April 1991	Joined Pola Chemical Industries, Inc.
January 2015	Executive Officer in charge of research planning
January 2018	Director and Executive Officer in charge of research Executive Officer, Pola Orbis Holdings Inc. Group Research and Intellectual Property and Pharmaceutical Affairs Center
August 2023	President and Representative Director of Pola Medical Inc.
April 2025	Joined our company E. Designer, Strategic Design Division (current position)
June 2025	Director (current position), Chief Research Officer (CRO) (current position)

Akie Iriyama

Outside Director

Biography

April 1998	Joined Mitsubishi Research Institute, Inc.
August 2003	Retired from the company
August 2008	Assistant Professor, School of Management, State University of New York at Buffalo
August 2013	Associate Professor, Waseda Business School
April 2019	Professor at Waseda Business School (current position)
June 2019	Current Director of the Company
June 2020	Outside Director of Sanoh Industrial Co., Ltd. (current position)
December 2020	Outside Director of Septeni Holdings Co., Ltd. (current position)
June 2021	Outside Director (Audit and Supervisory Committee Member) of Soracom Inc. (current position)

Haruka Mera

Outside Director

Biography

July 2014	Founder of READYFOR Inc., currently serving as Representative Director and CEO
June 2020	Current Director of the Company

Eriko Hayashi

Outside Director

Biography

October 2001	Registered as a lawyer Joined O-Ebashi Law Firm
June 2007	Admitted to the New York Bar
January 2010	Partner at O-Ebashi Law Firm
June 2010	Oebashi Law Firm Chief Representative of Shanghai Office
March 2019	Outside Audit & Supervisory Board Member Kaizen Platform Inc. (current position)
November 2019	Establishment representative of Yori Law Office (current)
December 2019	Outside Director of Change Inc. (now Change Holdings Inc.)
August 2021	Representative Partner of ERIO (current)
March 2022	Outside Audit & Supervisory Board Member Mujin Co., Ltd. (current position)
June 2022	Current Director of the Company

Maiko Katadae

Outside Director

Biography

May 2005	Joined The University of Tokyo Edge Capital Co., Ltd. (currently The University of Tokyo Edge Capital Partners Co., Ltd.)
May 2023	The University of Tokyo Center for Integrative Research Visiting Researcher
July 2023	Advisor, University of Tokyo Collaborative Platform Development Co., Ltd.
April 2024	Representative Director of Infinite CORE Co., Ltd. (currently Red Capital Co., Ltd.)
June 2024	Current Director of the Company

Shoichiro Iwata

Outside Director

Biography

March 1973	Joined Lion Oils & Fats Co., Ltd. (now Lion Corporation)
March 1986	Joined Plus Co., Ltd.
March 1997	President and Representative Director of ASKUL Corporation
May 2000	President and Representative Director and CEO of Askul Corporation
June 2006	Outside Director, Shiseido Co., Ltd.
April 2008	Vice Representative Director of the Japan Association of Corporate Executives (Keizai Doyukai)
September 2019	Force Marketing and Management Co., Ltd. established Representative Director and CEO (current)
August 2020	Outside Director of Safie Co., Ltd. (current position)
June 2021	Outside Director of S.T. Corporation (current position)
September 2021	Outside Director of Arithmer Inc. (current position)
May 2022	Outside Director of Hacobu Co., Ltd. (current position)
June 2025	Current Director of the Company

Auditors

Masanori Kimura

Audit & Supervisory Board Member

Biography

April 1982	Joined our company
May 2000	Chief Manager of Corporate Services Department
May 2003	Executive Officer, Deputy General Manager of Management Information Division, General Manager of Human Resources and General Affairs Department
July 2004	General Manager of Production Business Division
June 2005	Director
May 2008	Head of Management Information Division
May 2009	Head of Healthcare Business Division
May 2013	General Manager of Agri-Farm Division
June 2016	Auditor (current position)

Hideto Uemura

Audit & Supervisory Board Member

Biography

April 1982	Joined our company
May 2003	Deputy General Manager of Business Development Division
April 2009	Deputy General Manager of Research and Development Headquarters
May 2010	Executive Officer
May 2015	Senior Executive Officer, Head of Marketing Division
June 2017	Director of the Corporate Strategy Promotion Division
June 2018	Director, Ueno Techno Center Director
June 2020	Auditor (current position)

Yasuhiro Tani

Outside Audit & Supervisory Board Member

Biography

October 1981	Joined Asahi Accounting Corporation (now KPMG AZSA LLC)
April 1985	Registered as a Certified Public Accountant
April 1986	Established Tani Certified Public Accounting Office and currently serves as its representative
May 2003	Registered as a tax accountant
April 2006	Professor at the Graduate School of Management, Globis University (current position)
June 2020	Audit & Supervisory Board Member of the Company (current position)
March 2021	Outside Director (Audit and Supervisory Committee Member) of Noritz Corporation
June 2024	Outside Director (Audit and Supervisory Committee Member) of Fuji Oil Group Holdings Co., Ltd. (currently Fuji Oil Co., Ltd.) (current position)
July 2025	Senior Outside Director (Audit and Supervisory Committee Member) of Noritz Corporation (current)

Eri Sugiyama

Outside Audit & Supervisory Board Member

Biography

October 2001	Registered as an attorney and joined Habataki Law Office
November 2008	Joined the Financial Services Agency (fixed-term employee), Financial Securities Inspector, General Affairs Division, Inspection Bureau, Financial Services Agency
July 2013	Partner Attorney at Habataki Law Office (current position)
June 2018	Outside Audit & Supervisory Board Member)
April 2022	Professor of Legal Practice, Graduate School of Law, Kobe University
June 2023	Outside Director, Linical Co., Ltd.
June 2024	Audit & Supervisory Board Member of the Company (current position)
June 2025	Outside Director (Audit and Supervisory Committee Member) of ShinMaywa Industries, Ltd. (current position)
June 2025	Outside Director (Audit and Supervisory Committee Member) of Linical Co., Ltd. (current position)
June 2025	Outside Audit & Supervisory Board Member Zenho-ren Co., Ltd.
June 2026	Outside Audit & Supervisory Board Member (Audit and Supervisory Committee Member) of Zenho-ren Co., Ltd. (current)

Asuka Terada

Outside Audit & Supervisory Board Member

Biography

October 2001	Registered as a lawyer Joined Kyowa Sogo Law Office
April 2018	Established N&T Law Office Co-representative attorney (current position)
August 2019	Outside Audit & Supervisory Board Member D&M Company, Ltd. (current position)
June 2021	Outside Director of Denkyosha Co., Ltd. (currently Denkyo Group Holdings Co., Ltd.) (current position)
April 2024	Visiting Professor at Kyoto University Law School (current position)
June 2025	Audit & Supervisory Board Member of the Company (current position)