Board of Directors
Directors
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Founder, Chairman and Group CEO
Masatoshi Kumagai
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Director
Executive Vice President and Group COO
Deputy to Group CEOHiroyuki Nishiyama
Head of Security Business
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Director
Executive Vice PresidentIssei Ainoura
Head of Group Payment Processing Division,
President and Representative Director of GMO Payment Gateway, Inc. -
Director
Executive Vice President
Deputy to Group CEO
Tadashi Ito
Head of Group Infrastructure Division,
President and CEO of GMO Internet, Inc.
Please click here for the skill matrices of officers.
Audit and Supervisory Committee Member
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Director (independent director)
Takashi Gunjikake
Audit and Supervisory Committee Member
(Certified Tax Accountant) -
Director (independent director)
Kaname Masuda
Audit and Supervisory Committee Member
(Attorney at Law) -
Director (independent director)
Junko Kotakemori
Audit and Supervisory Committee Member
(C.P.A)
Please click here for the skill matrices of officers.
Group Executive Officer
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Executive Vice President
Hirofumi Yamashita
Head of Group Systems Division,
Executive Vice President of GMO Internet, Inc. -
Group Senior Managing Executive Officer (Certified Tax Accountant)
Katsumi Arisawa
General Manager of Group Management Support Division
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Group Senior Managing Executive Officer
Toshiaki Horiuchi
Head of Group Engineer Recruitment and Technology Public Relations,
Head of Innovation and Technology Systems Division -
Group Senior Managing Executive Officer(C.P.A)
Teruhiro Arai
General Manager of Group Global Strategy Division,
General Manager of Group Global Department,
Head of Overseas Investment and Friend Maker,
Head of Overseas Management and Governance,
Head of Overseas Listing -
Group Senior Managing Executive Officer
Group CBO (Chief Branding Officer)Makoto Hashiguchi
General Manager of Group Brand Promotion Division,
Head of Group Brand, Public Relations and Facilities,
Representative Director and
Executive Vice President of GMO Internet, Inc. -
Group Senior Managing Executive Officer
Tomohiro Uchida
General Manager of Group CEO Strategy Division,
General Manager of Group Investment Strategy Office,
General Manager of Group CEO Policy Office,
General Manager of Group CEO Office
President and CEO of GMO AI & Robotics Corporation,
President and CEO of GMO AI & Web3, Inc. -
Group Managing Executive Officer
Yasuo Hayashi
Head of Internet access (provider)
Senior Executive Officer of GMO Internet, Inc. -
Group Managing Executive Officer
Kimihiro Kodama
Head of Domain registration and sales (domain registrar) & cloud rental server (hosting) business,
Senior Executive Officer of GMO Internet, Inc. -
Group Managing Executive Officer (Certified Tax Accountant)
Noriko Inagaki
General Manager of Group Financial Department,
General Manager of Group IR Department -
Group Executive Officer
Ichiro Chujo
Head of Anti-eavesdropping, tampering, impersonation, and enhanced login authentication (cryptographic security)
Chairman and Representative Director of GMO GlobalSign K.K.
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Group Executive Officer
Takehito Kaneko
Chairman and Representative Director of GMO Aozora Net Bank, Ltd.
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Group Executive Officer (Attorney at Law)
Yuki Kawasaki
General Manager of Group Legal Department
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Group Executive Officer
Tatsuki Yamamoto
Director, Senior Executive Officer and CFO of GMO Financial Holdings, Inc.
Please click here for the skill matrices of officers.
CXO
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Group CISO
Shinji Abe
Group Security Enhancement Office
Head of Technology (Security)
Executive Officer, GMO Cybersecurity by Ierae, Inc.
AI Advisor
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Professor, Graduate School of Engineering, the University of Tokyo
Yutaka Matsuo
Received Ph.D. degrees from the University of Tokyo.
President, Japan Deep Learning Association (JDLA)
External Board Director, SoftBank Group Corp.
Member, Council of New Form of Capitalism Realization, Prime Minister’s Office
Chairperson, AI Strategy Council, Cabinet Office
Technology Advisor
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Japan Android Group, Honorary chairman
Marulec+MaruLabo, representativFujio Maruyama
Born in Odate City, Akita Prefecture. Graduated from Tokyo University, Education Faculty. Doctorate in Social Science Research, Hitotsubashi University, Wakkanai Hokusei Gakuen University, Professor. Wakkanai Hokusei Gakuen University, first president. Waseda University, Information Production Systems Research, Professor
Doctorate in Social Science Research, Hitotsubashi University
Future University Hakodate, Information Faculty Professor (Special Appointment)
Japan Java Users Group, Founding Chairman. Japan Android Group, Founding Chairman. Cloud Research, representative -
Professor, Kyoto University
Kazuyuki Shudo
He is a Professor of computer science at Kyoto University. After he received a Ph.D. degree in computer science from Waseda University, he served as a Research Associate at Waseda University, a Research Scientist at National Institute of Advanced Industrial Science and Technology (AIST), a Director, Chief Technology Officer at Utagoe Inc., and the current position since April 2022.
Special Advisor
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28th President of the University of Tokyo
Hiroshi Komiyama
The doctoral program in the Department of Chemical Engineering, Graduate School of Engineering, The University of Tokyo, and holds a Doctor of Engineering degree.
Chairman of Mitsubishi Research Institute, Inc.
Chairman of the Platinum Society Network.
The 28th President of the University of Tokyo. -
Kanda University of International Studies Visiting Professor
Motohide Yoshikawa
Graduated from the College of Liberal Arts, International Christian University (ICU).
Joined the Ministry of Foreign Affairs in 1974.
After working in Spain, Argentina, the UK, the OECD (Paris), Thailand, and the UN (NY), he served as Director General of the Middle East and Africa Bureau, Ambassador to Spain, Special Envoy to Afghanistan and Pakistan, Ambassador to the OECD, and Ambassador to the UN. Retired in 2016. ICU Distinguished Professor, 2017–26. Visiting Professor, Kanda University of International Studies, since 2017.
Decorated by Spain, Argentina, Morocco, and Mongolia. Besides Japanese, he speaks English, French, and Spanish. -
Solicitor
Masakazu Iwakura
April 1987 Dai-ichi Tokyo Bar Association registration Joined Nishimura Law Office (now Nishimura & Partners).April 2004 Professor, Law Faculty, Hitotsubashi University.April 2006 Professor, Graduate School of International Corporate Strategy, Hitotsubashi University.June 2011 Appointed External Auditor, Imperial Hotel.
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Doctor
Doctor of Medical ScienceHideyuki Negoro
Associate professor at the Harvard University Medical Faculty, University of Paris Medical Faculty, and University of Milan, Board Member and Professor at the Graduate School of Project Design.
Affiliation andAdvisory Roles
Internal Medicine Specialist - Japanese Society of Internal Medicine, Advisor - Japanese Society of Anti-Aging Medicine, Advisor on Japan - American Academy of Anti-Aging Medicine, Advisor - Tokyo Marine Nichido, Advisor - Dentsu.
Doctor Negoro’s specializations include internal medicine, anti-aging medicine, gene therapy,longevity gene therapy, and aesthetic internal medicine. Conducting research at 5 universities worldwide, Doctor Negoro is active in world leading clinical research and medical training. He is also the author of several best-selling books including Shintai Kakumei - Sekai Saisentan Anti-Aging Hosoku (The Body Revolution - World Leading Antiaging Techniques) and Netteiru Uchi ni Byoki ni Naranai Karada wo Tsukuru Hon (Building defense against sickness while you sleep), both published by Kadogawa Marketing.
