Frank Otto is an angel investor based in Orangevale, California, United States with 2 known investments: Bringoo and SynBiotic.
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Investment focus
- Stage
- Late-StageSeed
Contacts
Frank Otto portfolio companies (2)
- Bringoo
- SynBiotic
Investor Profile
Frank Otto appears in Late-Stage and Seed rounds across the known deals.
The portfolio and focus above give founders context on whether Frank Otto matches their raise.
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Frequently asked questions
Who is Frank Otto?
Frank Otto is an angel investor based in Orangevale, California, United States with 2 known investments on file, among them Bringoo and SynBiotic. The sections above list the stages attached to that record.
What stage does Frank Otto invest at?
The known deals of Frank Otto include Late-Stage and Seed 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 Frank Otto?
A LinkedIn page is on file for Frank Otto. 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