Investor profile
Brayton Williams
Angel, Operator angel & Co-Founder at Boost VC, Board Member at Unstoppable Domains
Brayton Williams is an angel investor and operator angel based in San Mateo, California, United States. The known portfolio counts 5 companies: Unstoppable Domains, Octane AI, Checkit AI, Harvard Ventures and Moltbook.
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Investment focus
Contacts
Brayton Williams portfolio companies (5)
- Unstoppable Domains
- Octane AI
- Checkit AI
- Harvard Ventures
- Moltbook
Affiliated funds' portfolios
Co-Founder at Boost VC, whose known portfolio counts 35 companies
- Stitch
- Arch
- Radiant
- H2
- Driver Technologies
- Howbout
- Matta
- Hullbot
- Parallax Worlds
- Armatrix Automations
- Diamond Age
- 0xbow
- and 23 more
Board Member at Unstoppable Domains, whose known portfolio counts 2 companies
- Polyhedra Network
- Gateway.fm
Investor Profile
The listing covers sectors AI and Hardware, and focus areas Aerospace, Biotech, Machine Learning and Robotics. Startups operating in these areas may find Brayton Williams relevant.
Stage-wise, the known deals cluster around Seed and Series A rounds.
The portfolio and focus above give founders context on whether Brayton Williams matches their raise.
Colleagues
Stephen Gill
Seed Investor
United States
Adam Draper
Founder & MD
San Mateo, United States
Matthew Gould
Founder & CEO
Reno, United States
Gus Domel
Partner
San Francisco, United States
Maddie Callander
Partner
San Francisco, United States
Michael Dunworth
Mentor
San Francisco, United States
Emily Yu
Investor
San Francisco, United States
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Frequently asked questions
Who is Brayton Williams?
Brayton Williams is an angel investor and operator angel based in San Mateo, California, United States with 5 known investments on file, among them Unstoppable Domains, Octane AI and Checkit AI. The sections above list the sectors, stages and firms attached to that record.
What does Brayton Williams invest in?
Listed sectors include AI and Hardware; listed focus areas include Aerospace, Biotech, Machine Learning and Robotics. 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 Brayton Williams invest at?
The known deals of Brayton Williams include Seed and Series A 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 Brayton Williams listed at?
Brayton Williams is listed as Co-Founder at Boost VC. 7 other people in the database share a firm with Brayton Williams.
How do I contact Brayton Williams?
An email address, a phone number and a LinkedIn page are on file for Brayton Williams. 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