Directors of the Board and Executive Team (As of April 1, 2026)

Representative Director of the Board, Chief Executive Officer

Akihisa Harada

President, Representative Director of the Board, Chief Operating Officer

Akihiro Tsujimura

Chairman, Director of the Board

Costa Saroukos

Director of the Board

Ryousuke Tanabe

Director of the Board

Yuji Sugimoto

Director of the Board

Masashi Suekane

Director of the Board

Hiroki Inada

Director of the Board

William Cozean

Director of the Board

Nicholas Gattas

Corporate Auditor

Shintaro Kohmoto

Chief Transformation Officer & General Counsel

Kazumasa Nagayama

Chief Business Officer

Sean Ryan

Chief Financial Officer

Amit Singh

Chief Human Resources Officer

Naoki Ohta

Chief Information Officer, Head of IT Digital Div.

Keitaro Shigemasa

Chief R&D Officer

Masahiko Ohtsuki

Executive Officer, Head of Corporate Operations Div.

Tetsurou Iwata

Executive Officer, Head of Research Div.

Naoya Masutomi

Executive Officer, Head of Development Div.

Kazuhiro Kanmuri

Executive Officer, Head of Product Supply Div.

Kenji Taguchi

Executive Officer, Head of Quality & Vigilance Div.

Masanobu Kono

Executive Officer, Head of Marketing Div.

Kiyonobu Kawano

Executive Officer, Head of Sales Div.

Hajime Minami

Executive Officer, Head of North America Business Div.

Yasutoshi Kawakami

Executive Officer, Head of Asia and Europe Business Div.

Toshifumi Tada

Executive Officer, Head of Market Access and External Affairs

Simon Collier

Executive Officer, in Charge of Reform Project

Tomoaki Tokuno

Executive Officer, Head of Regulatory Affairs

Yousuke Kimura