Stephen Mendel is an angel investor based in San Francisco, California, United States. The known portfolio counts 4 companies: LoungeBuddy, Tenor, AxoProtego Therapeutics, LLC and Motive Medical Intelligence.
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Investment focus
- Stage
- Seed
Contacts
Stephen Mendel portfolio companies (4)
- LoungeBuddy
- Tenor
- AxoProtego Therapeutics, LLC
- Motive Medical Intelligence
Investor Profile
Founders in the listed sectors Consumer, FinTech and Healthcare, and focus areas Cybersecurity, Digital Health, Mental Health and Search Engines will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Seed rounds.
The portfolio and focus above give founders context on whether Stephen Mendel matches their raise.
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Frequently asked questions
Who is Stephen Mendel?
Stephen Mendel is an angel investor based in San Francisco, California, United States with 4 known investments on file, among them LoungeBuddy, Tenor and AxoProtego Therapeutics, LLC. The sections above list the sectors and stages attached to that record.
What does Stephen Mendel invest in?
Listed sectors include Consumer, FinTech and Healthcare; listed focus areas include Cybersecurity, Digital Health, Mental Health and Search Engines. 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 Stephen Mendel invest at?
The known deals of Stephen Mendel include 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 Stephen Mendel?
An email address, a phone number and a LinkedIn page are on file for Stephen Mendel. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal