Investing Profile

Alex Rosen(3)

VC
Managing Director and Co-Founder at Ridge Ventures
Photo of Alex Rosen, Managing Partner at Ridge Ventures (Formerly known as IDG Ventures USA)
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Networks Alex is a member of
Stanford University Graduate School of Business Network
365 CONNECTIONS
Massachusetts Institute of Technology Network
248 CONNECTIONS
Credit Suisse Network
88 CONNECTIONS
Stanford University Graduate School of Business Network
71 CONNECTIONS
General Atlantic Network
47 CONNECTIONS

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Current Investing Position
Ridge Ventures (Formerly known as IDG Ventures USA) Managing Partner
Investments On Record
63
Current Fund Size
$130M

Alex Rosen's Investments On Record (42)

CompanyStageDateRound SizeTotal Raised
GoodDay Software
Series UnknownJan 2026$7M
$7M
Flip CX
Series AJan 2026$20M
$20M
Besty AI
SeedAug 2024$2M
$2M
Co-investors: Ravi Belani (Extensity (IPO'd, then acq by Geac)), David Ambrose (Steadfast Venture Capital)
OfferFit
Series BNov 2023$25M
$39M
Co-investors: Bradley Horowitz (Google Ventures), Alex Clayton (Meritech Capital Partners), Jeremy Stoppelman (Yelp.com)
SafeGraph
Series BMar 2021$45M
Series AApr 2017$16M
$61M
Co-investors: Peter Thiel (Founders Fund), Jeff Epstein (Bessemer Venture Partners), Fabrice Grinda (FJ Labs), Chris Farmer (SignalFire), Jared Friedman (Israel Defense Forces), Mike Greenfield (TeamRankings.com), Naval Ravikant (Sm4rt Predictive Systems), Jonathan Abrams (Founders Den), Doug Chertok (Vast Ventures), Julia Popowitz (Broadway Angels), Matthew Cowan (Next47), Brad Garlinghouse (Ripple VC), Ethan Beard (Piazza Venture Labs), Scott Faber (Betabrand), Will Harbin (KIXEYE), Itamar Novick (Recursive Ventures), Adam Foroughi, Russell Fradin, Adrian Aoun
Horizon3.ai
SeedJan 2020$4M
$200M
Co-investors: Aaron Jacobson (New Enterprise Associates (NEA)), Dorin Baniel (NightDragon)
Outlier
Series BJan 2020$22M
Series AJul 2018$6M
$66M
Co-investors: John Lyman (GV (Google Ventures)), Leo Polovets (Humba Ventures), Brad Greenwald (Hilltop Venture Partners), Marc Ladin (PVCP), Josef Feldman (Tectonic Capital)
Tempered
Series UnknownMay 2019$17M
Series UnknownDec 2017$7M
Series BAug 2016$10M
Series AMar 2015$20M
$54M

Alex Rosen's Experience

Managing Director and Co-Founder Ridge Ventures (Formerly known as IDG Ventures USA)2006 - Present
Board Member UpLift Inc.Present
GSB Trust Board Member. Chair, Venture Fund Group Stanford University Graduate School of BusinessPresent
Board Member KazooPresent
Board Member VidiblePresent
Board Member MindMeld, IncPresent
Board Member MintedPresent
Board Member SmartlingPresent
Junior Associate General AtlanticPresent
Investor ThirdLovePresent
Seed Investor Horizon3.aiPresent
Board Member Krux DigitalPresent
Board Member Outlier AIPresent
Managing Partner and Co-Founder Ridge VenturesPresent
Board Member SafeGraphPresent
Board Member WorkTango Inc.Present
Investor BrazePresent
Investor and Board Observer FastlyPresent
Board Member MindMeldPresent
Board Observer OfferFitPresent
Board Observer OnticPresent
Seed Investor MaintainXPresent
Board Member Chubbies ShortsPresent
Analyst Credit Suisse First BostonPresent
Managing Partner Ridge VenturesPresent
Board Observer OfferFit by BrazePresent
General Partner Sprout Group1996 - 2003
Junior Associate General Atlantic Partners1993 - 1994
Analyst Credit Suisse1990 - 1993

Alex Rosen's Education

Stanford University Graduate School of Business MBA
Massachusetts Institute of Technology Bachelor of Science (BS) Economics, Electrical Engineering