An angel investor and operator angel based in Tokyo, Japan, Keizo Tsutsui has 3 known investments: ECloud, Sanwa Company and manabo.
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Investment focus
Contacts
Keizo Tsutsui portfolio companies (3)
- ECloud
- Sanwa Company
- manabo
Investor Profile
The known portfolio sits in sectors Commerce, Consumer and SaaS, and focus areas Consumer Internet, Enterprise SaaS, Marketplaces and Social Media.
The portfolio and focus above give founders context on whether Keizo Tsutsui matches their raise.
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Frequently asked questions
Who is Keizo Tsutsui?
Keizo Tsutsui is an angel investor and operator angel based in Tokyo, Japan with 3 known investments on file, among them ECloud, Sanwa Company and manabo. The sections above list the sectors attached to that record.
What does Keizo Tsutsui invest in?
Listed sectors include Commerce, Consumer and SaaS; listed focus areas include Consumer Internet, Enterprise SaaS, Marketplaces and Social Media. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
How do I contact Keizo Tsutsui?
An email address and a LinkedIn page are on file for Keizo Tsutsui. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds 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