Brook Byers is an angel investor based in Menlo Park, California, United States with 8 known investments: Mammoth Biosciences, SpinLaunch, Toucan, Lightship, Regard, Leyden Labs, Verana Health and HealthRhythms.
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Investment focus
- Sector
- AIFinTechHealthcareSaaS
Contacts
Brook Byers portfolio companies (8)
- Mammoth Biosciences
- SpinLaunch
- Toucan
- Lightship
- Regard
- Leyden Labs
- Verana Health
- HealthRhythms
Investor Profile
The listing covers sectors AI, FinTech, Healthcare and SaaS, and focus areas Biotech, Diagnostics, Digital Health and EHR. Startups operating in these areas may find Brook Byers relevant.
Stage-wise, the known deals cluster around Series A and Series B rounds.
The portfolio and focus above give founders context on whether Brook Byers matches their raise.
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Frequently asked questions
Who is Brook Byers?
Brook Byers is an angel investor based in Menlo Park, California, United States with 8 known investments on file, among them Mammoth Biosciences, SpinLaunch and Toucan. The sections above list the sectors and stages attached to that record.
What does Brook Byers invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include Biotech, Diagnostics, Digital Health and EHR. 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 Brook Byers invest at?
The known deals of Brook Byers include Series A and 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 Brook Byers?
An email address, a phone number and a LinkedIn page are on file for Brook Byers. 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