John Vrionis
InvestorManaging Partner at Unusual Ventures
Menlo Park, California
Writes $100K – $15M checks · typically $250K
About
John Vrionis embeds with founders via Get Ahead Platform to co-build early hires, sales and go-to-market playbooks, and teaches a product-market-fit curriculum at Stanford GSB focused on technical inflections.
Invests in
AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsEnterprise SoftwareFintechSaaS
Experience
- Stanford University Graduate School of BusinessLecture Faculty - Entrepreneurshipcurrent2024 — presentPalo Alto, CA
- Unusual VenturesFounder and Managing Partnercurrent2018 — presentSan Francisco Bay Area
- Lightspeed Venture PartnersGeneral Partner2006 — 2017Menlo Park, California
- Determina, Inc. (acq VMware)Product Management2004 — 2005
- AchieveDirector of Product Management2003 — 2005San Mateo, California, United States
- ABN AMRO Venture CapitalSr. Associate2000 — 2003
- Professional SoccerSoccer1997 — 1999US, England
Education
- Stanford University Graduate School of BusinessMBA, General Management2004 — 2006
- University of ChicagoMS, Computer Science2000 — 2001
- Harvard UniversityBA, Economics1993 — 1997
Skills & more
+9 more
Cloud ComputingE-commerceProduct MarketingMobile DevicesStrategic PartnershipsBusiness DevelopmentBusiness IntelligenceStrategic PlanningManagementFrom John's professional profile.
Same school
Also attended Stanford University Graduate School of Business1,147
+ 1,141 more
Also attended University of Chicago242
+ 236 more
Also attended Harvard University1,171
+ 1,165 more
Shared employers
Also worked at Stanford University Graduate School of Business147
+ 141 more
Also worked at Lightspeed Venture Partners105
+ 99 more
Also worked at Achieve3
Also worked at ABN AMRO Venture Capital122
+ 116 more
Deals · 5
Rime LabsBoard seat
via Unusual Ventures · filed Jun 2026 · $26.8M raise
CloudBees, Inc.Board 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.
Colleagues at Unusual Ventures
Network4
Investors connected to John in public investor directories — a warm-intro map.








































