An operator angel based in Tokyo, Japan, Susumu Watanabe has one known investment, ThreatSTOP.
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Investment focus
- Stage
- Series B
- Sector
- SaaS
- Focus
- Cloud InfrastructureCybersecurityData Security
Contacts
Susumu Watanabe portfolio company (1)
- ThreatSTOP
Investor Profile
The known portfolio sits in sector SaaS, and focus areas Cloud Infrastructure, Cybersecurity and Data Security.
Susumu Watanabe is listed for Series B rounds in the database.
The portfolio and focus above give founders context on whether Susumu Watanabe matches their raise.
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Frequently asked questions
Who is Susumu Watanabe?
Susumu Watanabe is an operator angel based in Tokyo, Japan with one known investment on file, ThreatSTOP. The sections above list the sectors and stages attached to that record.
What does Susumu Watanabe invest in?
Listed sectors include SaaS; listed focus areas include Cloud Infrastructure, Cybersecurity and Data Security. 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.
What stage does Susumu Watanabe invest at?
The database lists Susumu Watanabe for Series B rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Susumu Watanabe?
A LinkedIn page is on file for Susumu Watanabe. 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