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Our People
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.
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).
Member of the Board
Jun Oi
Member of the Board
Keigo Watanabe
Outside Director
Koji Funatsu
Outside Director
Hiroyasu Asami
Outside Director
Haruo Miyagi
Standing Corporate Auditor
Shinichi Koizumi
Corporate Auditor
Nobuko Inaba
Corporate Auditor
Atsuko Sato
Corporate Auditor
Hirohiko Imura
Managing Executive Officer, Deputy Head of the Medical Business Unit, & Head of the Technology Management Division
Atsushi Kobayashi
Managing Executive Officer (CSO), Head of the Innovation Strategic Management Dept.
Akinori Harada
Group Executives
Head of the Office of The Board of Directors, & Head of the Legal & Corporate Unit
Susa Abe
Head of the Compliance & Risk Management Office
Nahoko Inamura
Head of the Corporate Unit, & Head of the Planning Division, Corporate Unit
Takaaki Otani
Head of the Corporate Communication Management Division, Corporate Unit
Megumi Uchino
Head of the Human Resources Unit
Keita Sugawara
Head of the Human Resources Planning Management Division, Human Resources Unit
Akira Kazahaya
Head of the Personnel and General Affairs Management Division, Human Resources Unit
Naohito Takahashi
Head of the Game Business Unit
Tetsuya Iguchi
Head of the Development Business Division, Game Business Unit
Ryo Watanabe
Head of the Service Management Business Division, Game Business Unit
Tomohiro Kubota
Representative Director & President, DeNA Games Tokyo Co., Ltd.
Shun Kawaguchi
Head of the Solution Business Unit
Kenta Sugahara
Deputy Head of the Solution Business Unit
Takeshi Matsui
Deputy Head of the Solution Business Unit
Yoichiro Watanabe
Head of the Open Platform Business Division, Solution Business Unit
Nobuaki Sato
Deputy Head of the Game Alliance Business Division, Solution Business Unit
Takatomo Okitsu
Deputy Head of the Game Alliance Business Division, Solution Business Unit
Shimpei Iwata
Head of the Cross Border Management Unit
Choi Daewoo
Deputy Head of the Cross Border Management Unit
Seigen Huang
Head of the CEO Office, & Head of the Sports Business Unit
Masahide Tsushima
Representative Director & President, YOKOHAMA DeNA BAYSTARS BASEBALL CLUB, INC.
Yota Kimura
Managing Director & Head of Baseball Operations, YOKOHAMA DeNA BAYSTARS BASEBALL CLUB, INC.
Tatsuhiro Hagiwara
Representative Director, Yokohama Stadium Co., Ltd.
Kenso Fujii
Representative Director & President, DeNA KAWASAKI BRAVE THUNDERS Co., Ltd.
Nobuo Motozawa
Head of the Smart City Business Unit
Yusuke Tsuchida
Head of the Live Streaming Business Unit
Seiichiro Sumiyoshi
Deputy Head of the Live Streaming Business Unit
Makoto Sugihara
Head of the Pococha Service Division, Live Streaming Business Unit
Daisuke Mizuta
Deputy Head of the Pococha Service Division, Live Streaming Business Unit
Kohei Suzuki
Representative Director & President, IRIAM Inc.
Shinya Masuda
Head of the Healthcare Business Unit, & Representative Director, DATA HORIZON CO., LTD.
Sho Segawa
Deputy Head of the Healthcare Business Unit
Yoshiyuki Towata
Deputy Head of the Healthcare Business Unit
Kotaro Ito
Head of the Medical Business Unit
Teppei Sakano
Deputy Head of the Medical Business Unit
Toshiro Tanaka
Deputy Head of the Medical Business Unit
Kazunori Matsumoto
Head of the External Partnerships & Alliances Unit
Takahiro Kunori
Head of the Design Unit
Ryumon Ueda
Head of the IT Unit
Shunichi Kaneko
Head of the Quality Unit
Hiroyasu Mimura
Head of the Corporate Development Management Dept.
Takahiro Takemoto
Head of the Marketing Management Dept.
Ryosuke Saito
Chief Health Officer
Kuniaki Miyake
(As of Jan. 1, 2023)
