Ken Kajii is a General Partner at Global Brain, whose known portfolio counts 31 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
General Partner 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
Founders in the listed sectors AI, Commerce, Consumer and FinTech, and focus areas Computer Vision, Content, Crypto and Enterprise SaaS fall inside that listing.
Global Brain appears in Growth, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Ken Kajii is worth approaching.
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 Kajii?
Ken Kajii is a corporate venture investor and venture capital investor based in Tokyo, Japan, listed as General Partner at Global Brain. The known portfolio of that firm counts 31 companies. That portfolio belongs to the firm, not to Ken Kajii personally.
What does Ken Kajii 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 Kajii invest at?
Global Brain appears in Growth, Seed and Series A rounds across its known deals, and Ken Kajii is listed there as General Partner. 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 Kajii listed at?
Ken Kajii is listed as General Partner at Global Brain. 38 other people in the database share a firm with Ken Kajii.
How do I contact Ken Kajii?
A LinkedIn page is on file for Ken Kajii. 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 5 September 2026 · How this data is built · Report a correction or request removal