About Otsuka

Our Leadership

Our board members and statutory auditors

Tatsuo Higuchi Chairman and Representative Director
Makoto Inoue President and Representative Director
Yoshiro Matsuo Executive Deputy President and Representative Director
Susumu Tamai Vice Chairman
Kabir Nath Senior Managing Director
(Pharmaceutical Business)
Mikio Bando Managing Director
(Emerging Countries and OIAA Division*)
Shuichi Takagi Managing Director
(Business Strategy; concurrently President, Otsuka America, Inc.)
Toshiki Sudo Executive Director
(Research and Intellectual Property)
Shinichi Taira Executive Director
(OIAA Division*, Production)
Akemi Kaneko Executive Director
(Quality Control and Quality Assurance)
Kiyoshi Taniguchi Executive Director
(Production , Supply Chain and CMC)
Yuko Makino Executive Director
(Finance)
Ichiro Otsuka Executive Director
Nobuo Kouno Standing Audit & Supervisory Board Member
Kazuya Inagaki Standing Audit & Supervisory Board Member
Takeo Suzuki Standing Audit & Supervisory Board Member
Hiroshi Sugawara Audit & Supervisory Board Member

* Otsuka International Asia Arab Division

As of March 9, 2022

Our corporate officers

Lyo Inuyama Executive Vice President, Director (Medical Affairs) Pharmaceutical Business Division
Keiso Yamasaki Senior Vice President, Associate General Manager (Pharmaceutical Business Division), and Pharmaceutical Planning Department
Hiroaki Ono Senior Vice President, General Manager (Headquarters of Clinical Development) and Regulatory Affairs
Akio Oikawa Senior Vice President, General Manager (Pharmaceutical Business Headquarters)
Nobuyuki Kurahashi Senior Vice President, Seconded to Otsuka Pharmaceutical D&C Inc.
Chikako Usami Vice President, Pharmaceutical Business Division Project Coordinator
Takayuki Shiratsuchi Vice President, Medical Discovery & Development Data Analyst (MD Analyst)
Naoshi Satou Senior Vice President, Associate General Manager (Nutraceuticals Division), Director (Social Health Relations Department) and Director (Promotion Advertisement) Nutraceuticals Division
Chiaki Sakurai Senior Vice President, Associate General Manager (Nutraceuticals Division), Sales Headquarters, Cosmedics Department and Otsuka Holdings
Shouzou Yamazaki Senior Vice President, Director (Sales Development Department)
Taro Mikuriya Senior Vice President, Seconded to Nardobel SAS
Tomonari Kawakami Vice President, Director (Business Planning, Market Research & Education)
Tomitsugu Nakabayashi Vice President, Next-Generation Nutraceuticals Business Solution
Koichiro Nitta Vice President, Relational Marketing
Ryousuke Fukase Vice President, Nutraceuticals Business Otsuka International Asia Arab Division
Yoshihiro Bando Vice President, New Area Development
Toshihiro Tokumoto Senior Vice President, Tokushima Headquarters, Purchasing and Otsuka Holdings Productions
Ryo Harima Vice President, Deputy General Manager (Production)
Junichi Jinno Vice President, General Manager (CMC)
Kenji Bunya Senior Vice President, Director (Human Resources Department), Public Relations and Legal Affairs Headquarters
Junichi Hashimoto Vice President, Director (Compliance), PV
Naoki Yoda Vice President, Director (Department of Business Planning Liaison)
Tsuyoshi Nakamura Vice President, Director (Finance and Accounting Department) and Otsuka Holdings
Yoshihiro Yoshinaga Vice President, Director (Regulatory Affairs Department) and Administration Department
Hiroki Nakayama Vice President, Director (Audit Department) and Otsuka Holdings

Pharmaceutical Business Division

Lyo Inuyama Executive Vice President, Director (Medical Affairs)
Keiso Yamasaki Senior Vice President, Associate General Manager (Pharmaceutical Business Division), and Pharmaceutical Planning Department
Hiroaki Ono Senior Vice President, General Manager (Headquarters of Clinical Development) and Regulatory Affairs
Akio Oikawa Senior Vice President, General Manager (Pharmaceutical Business Headquarters)
Nobuyuki Kurahashi Senior Vice President, Seconded to Otsuka Pharmaceutical D&C Inc.
Chikako Usami Vice President, Pharmaceutical Business Division Project Coordinator
Takayuki Shiratsuchi Vice President, Medical Discovery & Development Data Analyst (MD Analyst)

Nutraceuticals Division

Naoshi Satou Senior Vice President, Associate General Manager (Nutraceuticals Division), Director (Social Health Relations Department) and Director (Promotion Advertisement)
Chiaki Sakurai Senior Vice President, Associate General Manager (Nutraceuticals Division), Sales Headquarters, Cosmedics Department and Otsuka Holdings
Shouzou Yamazaki Senior Vice President, Director (Sales Development Department)
Taro Mikuriya Senior Vice President, Seconded to Nardobel SAS
Tomonari Kawakami Vice President, Director (Business Planning, Market Research & Education)
Tomitsugu Nakabayashi Vice President, Next-Generation Nutraceuticals Business Solution
Koichiro Nitta Vice President, Relational Marketing

Otsuka International Asia Arab Division

Ryousuke Fukase Vice President, Nutraceuticals Business
Yoshihiro Bando Vice President, New Area Development

Productions

Toshihiro Tokumoto Senior Vice President, Tokushima Headquarters, Purchasing and Otsuka Holdings
Ryo Harima Vice President, Deputy General Manager (Production)
Junichi Jinno Vice President, General Manager (CMC)

Headquarters

Kenji Bunya Senior Vice President, Director (Human Resources Department), Public Relations and Legal Affairs
Junichi Hashimoto Vice President, Director (Compliance), PV
Naoki Yoda Vice President, Director (Department of Business Planning Liaison)
Tsuyoshi Nakamura Vice President, Director (Finance and Accounting Department) and Otsuka Holdings
Yoshihiro Yoshinaga Vice President, Director (Regulatory Affairs Department) and Administration Department
Hiroki Nakayama Vice President, Director (Audit Department) and Otsuka Holdings

As of March 9, 2022