Ken Okubo is a Principal at Global Brain, whose known portfolio counts 31 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Principal at Global Brain, whose known portfolio counts 31 companies
- Sakana AI
- Sharing Energy
- Address
- Brave group
- MixRank
- Miresso
- Ballas
- OpenLogi
- Anique
- StradVision
- Tensor Energy
- A-Wave
- and 19 more
Investor Profile
The listing covers sectors AI, Commerce, Consumer and FinTech, and focus areas Computer Vision, Content, Crypto and Enterprise SaaS. Startups operating in these areas may find Ken Okubo relevant.
Stage-wise, the deals at Global Brain cluster around Growth, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Ken Okubo matches their raise.
Colleagues at Global Brain
Showing 20 of 38
Tatsunori Arai
Partner
Tokyo, Japan
Takeru Shigemura
Venture Capitalist / Director
Yokohama, Japan
Ito Yuki
Director
Tokyo, Japan
Atsushi Tsuji
Director, Investment Group
Tokyo, Japan
Kenji Hayashi
Director
Tokyo, Japan
Keisuke Shimohira
Director
Tokyo, Japan
Thomas T. Duong
Investor
London, United Kingdom
Takuya Ukai
Director
Tokyo, Japan
Junpei Bessho
Investor
Tokyo, Japan
Tetsui Okada
Investment Group / Director
Tokyo, Japan
Ryunosuke Maegawa
Venture Capitalist / Principal
Shibuya-ku, Japan
Ai Minamizaki
Global Brain Corporation - Venture Capitalist
Tokyo, Japan
Akifumi Takigawa
Director
Tokyo, Japan
Hajime Hasegawa
Director
Tokyo, Japan
Lusheng Zou
Director
Japan
Rina Obi
Investment Director
Berlin, Germany
Satoshi Onodera
Director
Saitama, Japan
Seiichiro Mukai
Director
Tokyo, Japan
Mitsutaka Nakao
Director
Japan
Ying Jian Ng
Director
Singapore
Frequently asked questions
Who is Ken Okubo?
Ken Okubo is a corporate venture investor and venture capital investor based in Tokyo, Japan, listed as Principal at Global Brain. The known portfolio of that firm counts 31 companies. That portfolio belongs to the firm, not to Ken Okubo personally.
What does Ken Okubo invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include Computer Vision, Content, Crypto and Enterprise SaaS. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Ken Okubo invest at?
Global Brain appears in Growth, Seed and Series A rounds across its known deals, and Ken Okubo is listed there as Principal. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Ken Okubo listed at?
Ken Okubo is listed as Principal at Global Brain. 38 other people in the database share a firm with Ken Okubo.
How do I contact Ken Okubo?
A LinkedIn page is on file for Ken Okubo. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal