Fundraising Fox
John Vrionis
InvestorFounderCo-Founder & Managing Partner at Unusual Ventures · Co-founder at Unusual
Menlo Park, California
Writes $100K – $15M checks · typically $250K
FoundedUnusual
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About
Co-founder of Unusual Ventures who was Jyoti Bansal's first investor at AppDynamics; has invested in over 30 startups reaching billion-dollar outcomes and teaches product-market fit at Stanford GSB.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsEnterprise SoftwareFintechSaaS
Beyond investing
- Founded
- Vrionis founded Unusual Ventures, an early-stage venture capital firm.
- Education
- Studied at Stanford Graduate School of Business (MBA, 2006) Studied at University of Chicago (MS, Computer Science, 2001) Studied at Harvard University (AB, Economics, 1997)
- Communities
- Vrionis is a faculty affiliate at Stanford GSB's Center for Entrepreneurial Studies and a guest lecturer for CS 210 at Stanford University. Vrionis is an adjunct professor at the University of Notre Dame.
- Hobbies
- Vrionis played professional soccer in the USA and UK from 1997 to 1999.
- More
- Vrionis is originally from Georgia.
Mentioned above: the University of Chicago mafia → · the Unusual Ventures mafia →
From published sources — common ground for a warm intro.
Co-founder at Unusual
Intro paths
In turn, John can intro founders to Unusual's investors below.
Unusual's investors · 8
Co-founders at Unusual
Deals · 4
CloudBeesBoard seat
via Unusual Ventures · filed Jul 2024 · $966K raise
DataStaxBoard seat
via Unusual Ventures · filed May 2021 · $37.6M raise
ArriktoBoard seat
via Unusual Ventures · filed Aug 2020 · $10M raise
Rasgo IntelligenceBoard seat
via Unusual Ventures · filed Jul 2020 · $5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
Alpha VantageAppdynamicsArctic WolfArctic Wolf NetworksAscend.ioBanyan SecurityBarefoot NetworksBluBracketBoundaryCartaChalkCitadel Defense CompanyClick SecurityCO2 AICoScreenDatos IoEmbraneFluidCloudHallowHarnessHireXperienceHumanSignalKespryLaunchableLiftoff.ioMemMulesoftNeonNiciraNimble StorageOliver AIPaxtonPinterestRelyance AIResolve AIResolve.aiRevel TouchRobinhoodRobotoSocketStreamlioTraceableVivun
Sources: SEC Form D filings · curated public sources · the firm's website.
Colleagues at Unusual Ventures
Network4
Investors connected to John in public investor directories — a warm-intro map.
Frequently asked questions
- Who is John Vrionis?
- Co-founder of Unusual Ventures who was Jyoti Bansal's first investor at AppDynamics; has invested in over 30 startups reaching billion-dollar outcomes and teaches product-market fit at Stanford GSB.
- Where does John Vrionis work?
- John Vrionis is Co-founder of Unusual and Co-Founder & Managing Partner at Unusual Ventures.
- What does John Vrionis invest in?
- John Vrionis invests in AI & Machine Learning, Cybersecurity, Data & Infrastructure, Developer Tools, Enterprise Software, Fintech, SaaS.
- What check size does John Vrionis write?
- John Vrionis typically writes checks of $100K – $15M.
- What companies did John Vrionis found?
- John Vrionis founded Unusual.
- What boards does John Vrionis sit on?
- John Vrionis holds tracked board seats at Arrikto, CloudBees, DataStax, Rasgo Intelligence, Rime.
- What companies has John Vrionis invested in?
- Investments tracked here include Alpha Vantage, Appdynamics, Arctic Wolf, Arctic Wolf Networks, Ascend.io, Banyan Security, Barefoot Networks, BluBracket, Boundary, Carta, Chalk, Citadel Defense Company, and 33 more.
Founder mafias
Stanford University Graduate School of Business mafia976
Also came through, then founded or led a company.
University of Chicago mafia236
Also came through, then founded or led a company.
Lightspeed Venture Partners mafia36
Also came through, then founded or led a company.
Unusual Ventures mafia11
Also came through, then founded or led a company.
CloudBees mafia7
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Unusual Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights