Adam Messinger is an angel investor and operator angel based in San Francisco, California, United States. The known portfolio counts 8 companies: Knot, Airtable, Whatnot, Lambda School, Chime, Parakeet Health, Tetrate and ThriveCash.
Is Adam Messinger a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
Contacts
Adam Messinger portfolio companies (8)
- Knot
- Airtable
- Whatnot
- Lambda School
- Chime
- Parakeet Health
- Tetrate
- ThriveCash
Investor Profile
Founders in the listed sectors FinTech, Hardware, Healthcare and SaaS, and focus areas Banking, Cloud Infrastructure, Data Management and Developer Tools will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Similar investors
Showing 20 of 100
Adam Ayers
angel investor and operator angel
Los Angeles, United States
Spencer Rascoff
Co-Founder and General Partner
Los Angeles, United States
Max Altman
Co-founder and Managing Partner
Austin, United States
Adam Broun
Advisory Board Member
Lexington, United States
Claire Hughes Johnson
operator angel
United States
Adam Jackson
Investor
Boston, United States
Adam Dawkins
angel investor
Adam Lisagor
angel investor and operator angel
Los Angeles, United States
Dave Carlson
angel investor and operator angel
Englewood, United States
Adam Bain
Co-Founder & Managing Partner
Mill Valley, United States
Atish Davda
CEO
New York, United States
Ankur Nagpal
Investor Person
New York, United States
Neil Shah
angel investor and operator angel
New York, United States
Adam Nash
Co-Chairman & Executive Committee
Los Altos, United States
Dan Scholnick
angel investor
San Francisco, United States
Jared Slosberg
angel investor
Paris, France
Andrew Garvin
Investor
Oakland, United States
Mark Achler
Managing Director
Chicago, United States
David Nowak
angel investor
Jacksonville, United States
Jonathan Abrams
General Partner
San Francisco, United States
Frequently asked questions
Who is Adam Messinger?
Adam Messinger is an angel investor and operator angel based in San Francisco, California, United States with 8 known investments on file, among them Knot, Airtable and Whatnot. The sections above list the sectors and stages attached to that record.
What does Adam Messinger invest in?
Listed sectors include FinTech, Hardware, Healthcare and SaaS; listed focus areas include Banking, Cloud Infrastructure, Data Management and Developer Tools. 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 Adam Messinger invest at?
The known deals of Adam Messinger 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 Adam Messinger?
An email address, a phone number and a LinkedIn page are on file for Adam Messinger. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal