Sean Byrnes is an angel investor based in San Francisco, California, United States with 6 known investments: LaunchDarkly, Framed Data, Perfect Price, Retain.ai, WeMail and GreatNonprofits.
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Investment focus
- Stage
- Seed
Contacts
Sean Byrnes portfolio companies (6)
- LaunchDarkly
- Framed Data
- Perfect Price
- Retain.ai
- WeMail
- GreatNonprofits
Affiliated funds' portfolios
Managing Partner at LucidFog, whose known portfolio counts 2 companies
- Lucid
- Lucid Bots
Investor Profile
The listing covers sectors AI and SaaS, and focus areas Data Analytics, Developer Tools and Enterprise SaaS. Startups operating in these areas may find Sean Byrnes relevant.
Stage-wise, the known deals cluster around 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 Sean Byrnes?
Sean Byrnes is an angel investor based in San Francisco, California, United States with 6 known investments on file, among them LaunchDarkly, Framed Data and Perfect Price. The sections above list the sectors, stages and firms attached to that record.
What does Sean Byrnes invest in?
Listed sectors include AI and SaaS; listed focus areas include Data Analytics, Developer Tools and Enterprise SaaS. 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 Sean Byrnes invest at?
The known deals of Sean Byrnes 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.
Which firm is Sean Byrnes listed at?
Sean Byrnes is listed as Managing Partner at LucidFog, whose known portfolio counts 2 companies.
How do I contact Sean Byrnes?
An email address and a LinkedIn page are on file for Sean Byrnes. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal