Maddie Hall is an angel investor and operator angel based in San Francisco, California, United States with 6 known investments: TrueNorth, Evergrow, Remora, Ovid Research, SINAI and Zenith.
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Investment focus
- Sector
- AIClimateHealthcare
- Focus
- BiotechClean EnergyClean TechnologyForestryReforestation
Contacts
Maddie Hall portfolio companies (6)
- TrueNorth
- Evergrow
- Remora
- Ovid Research
- SINAI
- Zenith
Investor Profile
The listing covers sectors AI, Climate and Healthcare, and focus areas Biotech, Clean Energy, Clean Technology and Forestry. Startups operating in these areas may find Maddie Hall relevant.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Maddie Hall?
Maddie Hall is an angel investor and operator angel based in San Francisco, California, United States with 6 known investments on file, among them TrueNorth, Evergrow and Remora. The sections above list the sectors and stages attached to that record.
What does Maddie Hall invest in?
Listed sectors include AI, Climate and Healthcare; listed focus areas include Biotech, Clean Energy, Clean Technology and Forestry. 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 Maddie Hall invest at?
The known deals of Maddie Hall include Pre-Seed 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 Maddie Hall?
An email address, a phone number and a LinkedIn page are on file for Maddie Hall. 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