Our People

Tomoko Namb

Tomoko Namba

Founder & Executive Chairman

Tomoko Namba is the Founder and Executive Chairman of DeNA. Namba served as the company's CEO since its founding in 1999 until June 2011. Prior to founding DeNA, she was a partner at McKinsey & Co. She obtained an MBA at Harvard Business School in 1990.

Shingo Okamura

Shingo Okamura

President & CEO

Shingo Okamura graduated from the Graduate School of Humanities and Sociology and Faculty of Letters at the University of Tokyo, and joined the Ministry of Posts and Telecommunications (currently the Ministry of Internal Affairs and Communications) in April 1995. In 2015 he took up the position of Senior Planning Officer in the Planning Division of the Postal Services Policy Department in the Information and Communication Bureau of the Ministry of Internal Affairs and Communications. He joined DeNA in April 2016, where he became the Representative Director & President of the Yokohama Stadium Co., Ltd. In October 2016 he was made the Representative Director & President of the Yokohama DeNA BayStars Baseball Club, Inc. In July 2017 he became an Executive Officer and Head of the Sports Business Unit for DeNA, and after becoming Managing Executive Officer, Chief Operating Officer (COO) and Chairman of Yokohama Stadium Co., Ltd. (present) in April 2019, he was then made Director and Chief Operating Officer (COO) in June 2019. As of April 2021, Okamura is the President & CEO (present).

Jun Oi
Member of the Board (CFO), Head of the Corporate Unit
Keigo Watanabe
Member of the Board (CBO), Head of the Game Business Unit, & Head of the External Partnerships & Alliances Unit
Koji Funatsu
Outside Director
Hiroyasu Asami
Outside Director
Haruo Miyagi
Outside Director
Shinichi Koizumi
Standing Corporate Auditor
Nobuko Inaba
Corporate Auditor
Atsuko Sato
Corporate Auditor
Yukinao Kondo
Corporate Auditor
Atsushi Kobayashi
Managing Executive Officer (CTO), Head of the System Management Unit
Akinori Harada
Managing Executive Officer (CSO), Head of the Innovation Strategic Management Dept.
Susa Abe
Executive Officer, Head of the Office of The Board of Directors, & Head of the Legal & Corporate Division in the Corporate Unit
Tetsuya Iguchi
Executive Officer, Deputy Head of the Game Business Unit
Yu Sasaki
Executive Officer, Game Business Unit
Osamu Ikeda
Executive Officer, Game Business Unit
Kenta Sugahara
Executive Officer, Head of the Solution Business Unit
Choi Daewoo
Executive Officer, Head of the Cross Border Management Division
Masahide Tsushima
Executive Officer, Head of the CEO Office, & Head of the Sports Business Unit
Yota Kimura
Executive Officer, Deputy Head of the Sports Business Unit
Seiichiro Sumiyoshi
Executive Officer, Head of the Live Streaming Business Unit
Hiroshi Yoneyama
Executive Officer, Head of the Healthcare Business Unit
Sho Segawa
Executive Officer, Deputy Head of the Healthcare Business Unit
Shinya Masuda
Executive Officer, Head of the Design Unit
Keita Sugawara
Executive Officer, Head of the Human Resources Unit

(As of Oct. 1, 2021)