An angel investor and operator angel based in Boston, Massachusetts, United States, John Zannos has 6 known investments: Privy, OPNFV, Ontropos, Inc., OpenPOWER, OpenStack and The Linux Foundation.
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Investment focus
- Focus
- Broadband Digital EquityCryptocurrencyEdgeNetwork InfrastructureOpen SourceWeb3
Contacts
John Zannos portfolio companies (6)
- Privy
- OPNFV
- Ontropos, Inc.
- OpenPOWER
- OpenStack
- The Linux Foundation
Affiliated funds' portfolios
Advisor / LP at Inflection, whose known portfolio counts 20 companies
- Mattermark
- Molecule
- Maker Wine
- Heal
- Centrifuge
- Anytype
- CapLinked
- Fabric Cryptography
- Particle
- Adway
- Billowby
- LabDAO
- and 8 more
Investor Profile
The known portfolio sits in sectors FinTech, Hardware, Real Estate and SaaS, and focus areas Broadband Digital Equity, Cryptocurrency, Edge and Network Infrastructure.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether John Zannos matches their raise.
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Frequently asked questions
Who is John Zannos?
John Zannos is an angel investor and operator angel based in Boston, Massachusetts, United States with 6 known investments on file, among them Privy, OPNFV and Ontropos, Inc. The sections above list the sectors, stages and firms attached to that record.
What does John Zannos invest in?
Listed sectors include FinTech, Hardware, Real Estate and SaaS; listed focus areas include Broadband Digital Equity, Cryptocurrency, Edge and Network Infrastructure. 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 John Zannos invest at?
The known deals of John Zannos 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 John Zannos listed at?
John Zannos is listed as Advisor / LP at Inflection. 3 other people in the database share a firm with John Zannos.
How do I contact John Zannos?
An email address, a phone number and a LinkedIn page are on file for John Zannos. 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