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Our People

Founder & Executive Chairman

Tomoko Namba

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

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

Hiroyasu Asami

Outside Director

Haruo Miyagi

Outside Director

Sachiko Kuno

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 Corporate Unit

Takaaki Otani

Head of the Compliance & Risk Management Office

Nahoko Inamura

Head of the Corporate Communication Management Division, Corporate Unit

Megumi Uchino

Head of the Planning Division, Corporate Unit

Nagisa Kuraoka

Head of the Corporate Development Division, Corporate Unit

Takahiro Takemoto

Head of the Human Resources Unit, & Head of the Legal & Corporate Unit

Keita Sugawara

Head of the CEO Office, & 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 Service Business Unit

Tetsuya Iguchi

Deputy Head of the Game Service Business Unit, & Representative Director & President, DeNA Games Tokyo Co., Ltd.

Shun Kawaguchi

Head of the Development Business Division, Game Service Business Unit

Ryo Watanabe

Head of the Service Management Business Division, Game Service Business Unit

Tomohiro Kubota

Head of the Solution Business Unit

Kenta Sugahara

Deputy Head of the Solution Business Unit

Yoichiro Watanabe

Head of the Alliance System Business Division, Solution Business Unit

Takatomo Okitsu

Head of the Game Alliance Business Division, Solution Business Unit

Shimpei Iwata

Head of the Strategic Marketing Division, Solution Business Unit

Ryosuke Saito

Deputy Head of the Solution Business Unit & Deputy Head of the Entertainment Development Business Unit

Takeshi Matsui

Head of the Entertainment Development Business Unit

Naoki Minabe

Deputy Head of the Entertainment Development Business Unit

Nobuaki Sato

Head of the Cross Border Management Unit

Choi Daewoo

Head of the Sports & Smart City Business Unit

Masahide Tsushima

Deputy Head of the Sports & Smart City Business Unit

Yusuke Tsuchida

Head of the Kawasaki Development Office, Sports & Smart City Business Unit

Nobuo Motozawa

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

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

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

Chief Health Officer

Kuniaki Miyake

(As of Dec. 1, 2023)

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