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
Mikio Bando Managing Director
(Emerging Countries and OIAA Division*)
Toshiki Sudo Executive Director
(Research, Intellectual Property and Head of the Osaka Research Center for Drug Discovery)
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
Hiroaki Ono Executive Director
(Pharmaceutical Business Division)
Tarek Rabah Executive Director
John Kraus Executive Director
Jeff Boutelle Executive Director
Kazuya Inagaki Standing Audit & Supervisory Board Member
Takeo Suzuki Standing Audit & Supervisory Board Member
Atsuo Kouno Standing Audit & Supervisory Board Member
Hiroshi Sugawara Audit & Supervisory Board Member

* Otsuka International Asia Arab Division

As of March 6, 2024

Our corporate officers

Nobuyuki Kurahashi Executive Vice President, Associate General Manager (Pharmaceutical Business Division) Pharmaceutical Business Division
Lyo Inuyama Executive Vice President, Director (Medical Affairs), PV
Keiso Yamasaki Senior Vice President, Associate General Manager (Pharmaceutical Business Division), Director (Pharmaceutical Planning Department) and Otsuka Holdings
Akio Oikawa Senior Vice President, General Manager (Pharmaceutical Business Headquarters)
Chikako Usami Vice President, Pharmaceutical Business Division Project Coordinator
Takayuki Shiratsuchi Vice President, Medical Discovery & Development Data Analyst (MD Analyst)
Takeshi Watanabe Vice President, Director (Department of Business Development)
Yoshihisa Yamada Vice President, Head of the Tokushima Research Center for Drug Discovery, and Department Head (Department of Renal and Cardiovascular Research)
Masako Shiosakai Vice President, General Manager (Headquarters of Clinical Development)
Naoshi Satou Senior Vice President, Associate General Manager (Nutraceuticals Division) and Director (Social Health Relations Department) Nutraceuticals Division
Chiaki Sakurai Senior Vice President, Associate General Manager (Nutraceuticals Division), Sales Headquarters, Cosmedics Department and Otsuka Holdings
Shouzou Yamazaki Senior Vice President, Sales Development Department
Koichiro Nitta Vice President, Relational Marketing and Director (Sales Support Office)
Hajime Fujita Vice President, Seconded to Daiya Foods Inc.
Ryousuke Fukase Senior Vice President, Nutraceuticals Business Otsuka International Asia Arab Division
Yoshihiro Bando Senior Vice President, New Countries and ASEAN
Taro Mikuriya Senior Vice President, Planning and Nardobel SAS
Koichi Shiraishi Vice President, Nutraceuticals Business, China
Ryo Harima Vice President, Deputy General Manager (Production) and Purchasing Productions
Junichi Jinno Vice President, General Manager (CMC)
Kenji Bunya Senior Vice President, Director (Human Resources Department) and Legal Affairs Headquarters
Tsuyoshi Nakamura Senior Vice President, Seconded to Otsuka America, Inc. and Finance and Accounting Department
Junichi Hashimoto Vice President, Director (Compliance Department)
Naoki Yoda Vice President, Director (Department of Business Planning Liaison)
Yoshihiro Yoshinaga Vice President, Director (Regulatory Affairs Department) and Administration Department
Hiroki Nakayama Vice President, Director (Audit Department) and Otsuka Holdings
Masaaki Sobe Vice President, Director (Intellectual Property Department)
Masayuki Sato Vice President, Director (Portfolio Management Office) and Public Relations
Masanori Udagawa Vice President, Director (Corporate IT Department) and Otsuka Holdings
Aki Sudo Vice President, Compliance Department, Global Compliance and Otsuka Holdings

Pharmaceutical Business Division

Nobuyuki Kurahashi Executive Vice President, Associate General Manager (Pharmaceutical Business Division)
Lyo Inuyama Executive Vice President, Director (Medical Affairs), PV
Keiso Yamasaki Senior Vice President, Associate General Manager (Pharmaceutical Business Division), Director (Pharmaceutical Planning Department) and Otsuka Holdings
Akio Oikawa Senior Vice President, General Manager (Pharmaceutical Business Headquarters)
Chikako Usami Vice President, Pharmaceutical Business Division Project Coordinator
Takayuki Shiratsuchi Vice President, Medical Discovery & Development Data Analyst (MD Analyst)
Takeshi Watanabe Vice President, Director(Department of Business Development)
Yoshihisa Yamada Vice President, Head of the Tokushima Research Center for Drug Discovery, and Department Head (Department of Renal and Cardiovascular Research)
Masako Shiosakai Vice President, General Manager (Headquarters of Clinical Development)

Nutraceuticals Division

Naoshi Satou Senior Vice President, Associate General Manager (Nutraceuticals Division) and Director (Social Health Relations Department)
Chiaki Sakurai Senior Vice President, Associate General Manager (Nutraceuticals Division), Sales Headquarters, Cosmedics Department and Otsuka Holdings
Shouzou Yamazaki Senior Vice President, Sales Development Department
Koichiro Nitta Vice President, Relational Marketing and Director (Sales Support Office)
Hajime Fujita Vice President, Seconded to Daiya Foods Inc.

Otsuka International Asia Arab Division

Ryousuke Fukase Senior Vice President, Nutraceuticals Business
Yoshihiro Bando Senior Senior Vice President, New Countries and ASEAN
Taro Mikuriya Senior Vice President, Planning and Nardobel SAS
Koichi Shiraishi Vice President, Nutraceuticals Business, China

Productions

Ryo Harima Vice President, Deputy General Manager (Production) and Purchasing
Junichi Jinno Vice President, General Manager (CMC)

Headquarters

Kenji Bunya Senior Vice President, Director (Human Resources Department) and Legal Affairs
Tsuyoshi Nakamura Senior Vice President, Seconded to Otsuka America, Inc. and Finance and Accounting Department
Junichi Hashimoto Vice President, Director (Compliance Department)
Naoki Yoda Vice President, Director (Department of Business Planning Liaison)
Yoshihiro Yoshinaga Vice President, Director (Regulatory Affairs Department) and Administration Department
Hiroki Nakayama Vice President, Director (Audit Department) and Otsuka Holdings
Masaaki Sobe Vice President, Director (Intellectual Property Department)
Masayuki Sato Vice President, Director (Portfolio Management Office) and Public Relations
Masanori Udagawa Vice President, Director (Corporate IT Department) and Otsuka Holdings
Aki Sudo Vice President, Compliance Department, Global Compliance and Otsuka Holdings

As of March 6, 2024