Investing Profile

John Vrionis(51)

VCInvestorFounder
Founder and Managing Partner at Unusual Ventures
unusual.vc/team-members/john-...Menlo Park, California
Photo of John Vrionis, Managing Partner at Unusual Ventures
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John Vrionis's investing connections

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8 Investors

Connected to Pete Flint (NFX), Chris Farmer (SignalFire), Ariel Poler (Freedom Financial Network), and 5 other investors on Signal.

Networks John is a member of
Harvard University Network
402 CONNECTIONS
Stanford University Graduate School of Business Network
365 CONNECTIONS
Stanford University Graduate School of Business Network
71 CONNECTIONS
Stanford University Graduate School of Business Network
71 CONNECTIONS
XtreamIT Network
68 CONNECTIONS

Find John Vrionis on

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Current Investing Position
Unusual Ventures Managing Partner
Investment Range
$100K - $500K
Sweet Spot
$250K
Investments On Record
63
Current Fund Size
$400M

John Vrionis is on these Sector & Stage Rankings

John Vrionis's Investments On Record (31)

CompanyStageDateRound SizeTotal Raised
Resolve.ai
Series ADec 2025$130M
SeedOct 2024$35M
$200M
Co-investors: Sridhar Ramaswamy (Greylock), Reid Hoffman (Greylock), Raviraj Jain (Lightspeed Venture Partners), Sebastian Duesterhoeft (Lightspeed Venture Partners), Rahul Mehta (DST Global), Saam Motamedi (Greylock Partners), Akshay Kothari
FluidCloud
SeedJul 2025$8M
$8M
Paxton
Series AJan 2025$22M
$28M
Co-investors: Lorenzo Thione (Gaingels), George Damouny (Plug & Play Ventures), Jason Franklin (XStarPartners), Linus Liang (Signia Venture Partners), Diane Fraiman (Voyager Capital), Andrew Ng (AI Fund)
Traceable
Series UnknownMay 2024$30M
Series BMay 2022$60M
$90M
Co-investors: Steve Harrick (IVP), Matt Carbonara (Citi Ventures), Matt Carbonara
CO2 AI
SeedSep 2023$12M
$12M
Co-investors: Alison Imbert (Partech Ventures)
Roboto AI
SeedApr 2023$5M
$5M
HumanSignal
Series AMay 2022$25M
$29M
Co-investors: Satish Dharmaraj (Redpoint Ventures), Anthony Goldbloom (AIX Ventures), Timothy Chen (Essence VC)
Vivun
Series CMay 2022$75M
Series BFeb 2021$35M
Series AOct 2020$18M
SeedNov 2019$3M
$130M
Co-investors: Steve Loughlin (Accel), Matt Garratt (CRV), Matt Murphy (Menlo Ventures), Paul Drews (Salesforce Ventures), Gokul Rajaram (gokulrajaram.com)

John Vrionis's Experience

Lecture Faculty - Product Market Fit Stanford University Graduate School of Business2024 - Present
Founder and Managing Partner Unusual Ventures2018 - Present
Sr. Associate ABN AMRO Bank N.V.Present
Lecture Faculty Stanford University Graduate School of BusinessPresent
Product Management XtreamITPresent
Sr. Director of Product Management AchievePresent
Sr. Director of Product Management and Sales AchievePresent
Soccer XtreamITPresent
General Partner Lightspeed Venture Partners2006 - 2017
Product Management Determina, Inc. (acq VMware)2004 - 2005
Director of Product Management Achieve2003 - 2005
Sr. Associate ABN AMRO Venture Capital2000 - 2003
Soccer Professional Soccer1997 - 1999

John Vrionis's Education

Stanford University Graduate School of Business MBA General Management
University of Chicago MS Computer Science
Harvard University BA Economics