John Backus is a Director at Proof, whose known portfolio counts 29 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Director at Proof, whose known portfolio counts 29 companies
- Vidmob
- Jupiter
- Canton Strategic Holdings
- Mythical Games
- Astaria
- Atlas Obscura
- Salted
- Biconomy
- ExecOnline
- Ownwell
- Pandion
- Sabi Am
- and 17 more
Investor Profile
Founders in the listed sectors AI, Commerce, Consumer and Education, and focus areas AdTech, Analytics, Audio and Blockchain Gaming fall inside that listing.
Stage-wise, the deals at Proof cluster around Growth, Late-Stage and Pre-Seed rounds.
The firm portfolio and the focus above give founders context on whether John Backus matches their raise.
Colleagues at Proof
Thanasis Delistathis
Managing Partner
Bethesda, United States
Bryan Ciambella
GP
New York, United States
Todd Hixon
Managing Partner, New Atlantic Ventures
Concord, United States
Jennifer Schretter
Investor
Washington, United States
Rhea Nagpal
Investor
New York, United States
Frequently asked questions
Who is John Backus?
John Backus is a venture capital investor based in Great Falls, Virginia, United States, listed as Director at Proof. The known portfolio of that firm counts 29 companies. That portfolio belongs to the firm, not to John Backus personally.
What does John Backus invest in?
Listed sectors include AI, Commerce, Consumer and Education; listed focus areas include AdTech, Analytics, Audio and Blockchain Gaming. 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 John Backus invest at?
Proof appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and John Backus is listed there as Director. 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 John Backus listed at?
John Backus is listed as Director at Proof. 5 other people in the database share a firm with John Backus.
How do I contact John Backus?
An email address, a phone number and a LinkedIn page are on file for John Backus. 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