Seth Bannon is an angel investor based in San Francisco, California, United States with 2 known investments: Flux and Blueprint Bryan Johnson.
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Investment focus
- Focus
- Alt ProteinBiotechIndustrial BiotechSustainable ChemicalsSynthetic Biology
Contacts
Seth Bannon portfolio companies (2)
- Flux
- Blueprint Bryan Johnson
Affiliated funds' portfolios
Founder & investor at Fifty Years, whose known portfolio counts 16 companies
- Aalo Atomics
- Gridware
- Tangible
- Journey Clinical
- Adaption Labs
- Faction
- 64x Bio
- BIOS
- Deepcell
- Electroflow Technologies
- Noya
- Elicit
- and 4 more
Investor Profile
The listing covers sectors Climate, FinTech and Food, and focus areas Alt Protein, Biotech, Industrial Biotech and Sustainable Chemicals. Startups operating in these areas may find Seth Bannon relevant.
Seth Bannon appears in Pre-Seed and Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Fifty Years
Ela Madej
Founding Partner
San Francisco, United States
Piotr Wilam
Investor
Cracow, Poland
D. Scott Phoenix
Partner
Berkeley, United States
Alex Teng
Partner
San Francisco, United States
Chris Castig
Investor
United States
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Frequently asked questions
Who is Seth Bannon?
Seth Bannon is an angel investor based in San Francisco, California, United States with 2 known investments on file, among them Flux and Blueprint Bryan Johnson. The sections above list the sectors, stages and firms attached to that record.
What does Seth Bannon invest in?
Listed sectors include Climate, FinTech and Food; listed focus areas include Alt Protein, Biotech, Industrial Biotech and Sustainable Chemicals. 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 Seth Bannon invest at?
The known deals of Seth Bannon 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.
Which firm is Seth Bannon listed at?
Seth Bannon is listed as Founder & investor at Fifty Years. 5 other people in the database share a firm with Seth Bannon.
How do I contact Seth Bannon?
An email address and a LinkedIn page are on file for Seth Bannon. 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