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Our People
Executive Chairman
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. He then served as Executive Officer and Head of the Sports Business Unit, Managing Executive Officer & COO, and Director & COO. In April 2021, he was appointed Representative Director, President & CEO. As of June 2026, he serves as Representative Director & Chairman (present).
President & CEO
Tomoko Namba is the Founder and President & CEO 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.
Member of the Board, & Head of the Corporate Unit
Keigo Watanabe
Outside Director
Masaya Kubota
Outside Director
Tetsuo Kitani
Outside Director
Tatsuo Kawasaki
Standing Corporate Auditor
Hiroyasu Asami
Corporate Auditor
Nobuko Inaba
Corporate Auditor
Atsuko Sato
Corporate Auditor
Hirohiko Imura
Group Executives
Head of the Office of The Board of Directors
Shimpei Sakurai
Head of the CEO Office
Akira Kazahaya
Head of the Enterprise Compliance & Risk Management Office
Nahoko Inamura
Deputy Head of the Corporate Unit and Head of the Accounting & Finance Division
Takumi Saito
Head of the Corporate Communication Management Division, Corporate Unit
Megumi Uchino
Head of the Planning Division, Corporate Unit
Eiji Ishizaki
Head of the Legal Affairs Division, Corporate Unit
Ryu Orikasa
Head of the Human Resources Unit
Keita Sugawara
Head of the Recruiting Strategy Dept., Human Resources Unit & Head of the Start Up Relations Division
Hayato Ishii
Head of Game Service Business Unit & Marketing Platform Business Unit
Tetsuya Iguchi
Deputy Head of the Game Service Business Unit (Technology Officer)
Ryo Watanabe
Deputy Head of the Game Service Business Unit
Shun Kawaguchi
Head of the Entertainment Development Business Unit
Naoki Minabe
Deputy Head of the Entertainment Development Business Unit
Choi Daewoo
Head of Product Development Dept., Entertainment Development Business Unit (Technology Officer)
Ken Osada
Head of the Open Platform Management Division
Nobuaki Sato
Head of the Sports & Smart City Business Unit
Masahide Tsushima
Deputy Head of Sports & Smart City Business Unit
Yoshihiro Takeda
Head of the Yokohama Development Office, Sports & Smart City Business Unit
Yusuke Tsuchida
Head of the Kawasaki Development Office, Sports & Smart City Business Unit
Nobuo Motozawa
Representative Director & President, General Manager, of Baseball Operations, YOKOHAMA DeNA BAYSTARS BASEBALL CLUB, INC.
Yota Kimura
Deputy President & Head of the Corporate Unit YOKOHAMA DeNA BAYSTARS BASEBALL CLUB, INC. & Representative Director & President, Yokohama Stadium Co., Ltd.
Hiroyuki Hayashi
Head of the Live Community Business Unit, & Representative Director & President, IRIAM Inc.
Shinya Masuda
Head of the Risk Management and Compliance Dept., Live Community Business Unit
Mitsuru Takei
Head of the Pococha Service Division, Live Community Business Unit
Daisuke Mizuta
Director, IRIAM Inc.
Ko Manabe
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 (Technology Officer)
Kotaro Ito
Head of the CEO Office, & Deputy Head of the Data Health Division, DATA HORIZON CO., LTD.
Taro Akaishi
Representative Director & President, Nippontect Systems Co., Ltd.
Tomoyuki Namatame
Head of the Medical Business Unit, & Representative Director & President, Allm Inc.
Takaaki Otani
Deputy Head of the Medical Business Unit & COO of Allm Inc.
Hikaru Baba
CHRO, Allm Inc.
Yuta Saito
CTO, Allm Inc. & Technology Officer of Medical Business Unit
Kei Tachibana
Head of Alliance Business Division, Business Development Unit
Takeshi Kuwahara
Head of External Partnerships & Alliances Division, Business Development Unit
Takahiro Kunori
Head of Innovation Business Unit
Kiyotaka Kobayashi
Deputy Head of Innovation Business Unit & Head of Product Development Division
Ryuji Harimoto
Head of Growth Business Unit
Seiichiro Sumiyoshi
Technology Officer of Growth Business Unit & Technology Officer of Live Community Business Unit
Jaysu Jeyachandran
Head of For and With Startup Promotion Dept., Strategic Investment Division, Growth Business Unit
Shota Tanaka
Head of Solution Unit & Deputy Head (Technology Officer) of Business Development Unit & Technology Officer of Sports & Smart City Business Unit
Takatomo Okitsu
Deputy Head of the Solution Unit & Deputy Head (Technology Officer) of Marketing Platform Business Unit & Deputy President, Allm Inc.
Kenta Sugahara
Deputy Head of Solution Unit & Head of the Enterprise Business Division & Deputy Head of Marketing Platform Business Unit
Yoichiro Watanabe
Deputy Head of Solution Unit
Takeshi Matsui
Head of the Customer Success Division, Solution Unit
Hiroyasu Mimura
Head of the Design Division, Solution Unit
Ayumu Hisada
Head of the IT Unit & Deputy Head (Technology Officer) of Business Development Unit
Shunichi Kaneko
Head of the AI & Data Strategy Division, IT Unit
Yusuke Kamo
Head of the IT Platform Dept, IT Unit
Noboru Torigoe
(Updated Jul.1, 2026)
