Joanna S. is an angel investor based in San Francisco, California, United States. The known portfolio is one company, Syllable AI.
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Investment focus
- Sector
- AIHealthcare
Contacts
Joanna S. portfolio company (1)
- Syllable AI
Investor Profile
The listing covers sectors AI and Healthcare, and focus areas Digital Health and Machine Learning. Startups operating in these areas may find Joanna S. relevant.
The portfolio and focus above give founders context on whether Joanna S. matches their raise.
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Frequently asked questions
Who is Joanna S.?
Joanna S. is an angel investor based in San Francisco, California, United States with one known investment on file, Syllable AI. The sections above list the sectors attached to that record.
What does Joanna S. invest in?
Listed sectors include AI and Healthcare; listed focus areas include Digital Health and Machine Learning. 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 Joanna S.?
A LinkedIn page is on file for Joanna S. 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