Investor profile
Byron Alsberg
Venture capital & Co-founder/Managing Partner@Prefix Capital at Prefix Capital
Byron Alsberg works as a Co-founder/Managing Partner@Prefix Capital at Prefix Capital. The firm's known portfolio counts 8 companies.
Is Byron Alsberg a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Affiliated funds' portfolios
Co-founder/Managing Partner@Prefix Capital at Prefix Capital, whose known portfolio counts 8 companies
- Vidmob
- Via
- Symmetry Systems
- Vidrovr
- Base Operations
- Aligned Carbon
- Neocortix Cloud Services
- Neutrolis
Investor Profile
The listing covers sectors AI, Climate and SaaS, and focus areas Cloud Infrastructure, Computer Vision, Cybersecurity and Data Analytics. Startups operating in these areas may find Byron Alsberg relevant.
Stage-wise, the deals at Prefix Capital cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Byron Alsberg is worth approaching.
Frequently asked questions
Who is Byron Alsberg?
Byron Alsberg is a venture capital investor based in San Francisco, California, United States, listed as Co-founder/Managing Partner@Prefix Capital at Prefix Capital. The known portfolio of that firm counts 8 companies. That portfolio belongs to the firm, not to Byron Alsberg personally.
What does Byron Alsberg invest in?
Listed sectors include AI, Climate and SaaS; listed focus areas include Cloud Infrastructure, Computer Vision, Cybersecurity and Data Analytics. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Byron Alsberg invest at?
Prefix Capital appears in Growth, Seed and Series A rounds across its known deals, and Byron Alsberg is listed there as Co-founder/Managing Partner@Prefix Capital. 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 Byron Alsberg listed at?
Byron Alsberg is listed as Co-founder/Managing Partner@Prefix Capital at Prefix Capital, whose known portfolio counts 8 companies.
How do I contact Byron Alsberg?
An email address, a phone number and a LinkedIn page are on file for Byron Alsberg. 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