Investing Profile

Alexander Rosen(3)

InvestorVCFounder

Managing Partner and Co-Founder at Managing Partner and Co-Founder

ridge.vcSan Francisco, California

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Networks Alexander is a member of

Stanford University Graduate School of Business Network

365 CONNECTIONS

Massachusetts Institute of Technology Network

249 CONNECTIONS

Credit Suisse Network

89 CONNECTIONS

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Current Investing Position

Ridge Ventures (Formerly known as IDG Ventures USA) Managing Partner

Investment Range

$1M - $7.0M

Sweet Spot

$4.0M

Investments On Record

Current Fund Size

$130M

Alexander Rosen's Investments On Record (43)

Company	StageDateRound Size	Total Raised
ReFiBuy	SeedMay 2026$15M	$17M
Co-investors: Matt Nichols (Commerce Ventures), Bob Hower (Advanced Technology Ventures), Anthony Pompliano
GoodDay Software	Series UnknownJan 2026$7M	$7M
Co-investors: Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Amish Jani (Self-employed)
Flip CX	Series AJan 2026$20M	$29M
Co-investors: Eric Wiesen (Bullpen Capital), Aaron Schildkrout (Addition), Michael Cardamone (Forum Ventures), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Andrew Jones
Besty AI	SeedAug 2024$2M	$2M
Co-investors: Matthew Ziskie (Bungalow Capital), Akriti Dokania (Ridge Ventures (Formerly known as IDG Ventures USA)), David Ambrose (Steadfast Venture Capital), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Ravi Belani (Extensity (IPO'd, then acq by Geac))
OfferFit	Series BNov 2023$25M	$39M
Co-investors: Alex Clayton (Meritech Capital Partners), Mike Ghaffary (Canvas Ventures), Bradley Horowitz (Google Ventures), JP (Jean-Paul) Sanday (Menlo Ventures), Nadav Ben-Chanoch (Pareto Holdings), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Michael Stoppelman (Xtripe Angels), Edward Lando (Biowear), Katelyn Donnelly (Avalanche VC), Jeremy Stoppelman (Yelp.com), Frederic Kerrest, Ryan Carlson, Kevin Stumpf, Ron Pragides
SafeGraph	Series BMar 2021$45M Series AApr 2017$16M	$61M
Co-investors: Paul Levine (Sapphire Ventures), Jeff Epstein (Bessemer Venture Partners), Peter Thiel (Founders Fund), Cathy Gao (Sapphire Ventures), Chris Farmer (SignalFire), Fabrice Grinda (FJ Labs), Chris Scoggins (SignalFire), Julia Popowitz (Broadway Angels), Jonathan Abrams (8-Bit Capital), Naval Ravikant (Sm4rt Predictive Systems), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Itamar Novick (Recursive Ventures), Steve Drobny (Clocktower Technology Ventures), Jack Abraham (Atomico), Jonah Goodhart (WGI Group), Jonathan Swanson (Thumbtack), Tom Chavez (super{set}), Tod Sacerdoti (Flex Capital, LLC // Turbo Ventures, LLC), Jonathan Sands (Artist Capital), Brett Hurt (Austin Ventures), Shruti Gandhi (Array Ventures), Aniq Rahman (Mindfull Investors), Will Harbin (KIXEYE), Scott Faber (Betabrand), Ethan Beard (Piazza Venture Labs), Mike Greenfield (TeamRankings.com), Jared Friedman (Israel Defense Forces), Brad Garlinghouse (Ripple VC), Matthew Cowan (Next47), Doug Chertok (Vast Ventures), Adrian Aoun, Russell Fradin, Adam Foroughi, Nicolas Berggruen, George Garrick, Russ Fradin, Saran Chari, Joe Zawadzki, Kim Perell, Joel Hornstein, Brian O'Kelley, Eric Chernoff, Adam D'Angelo
Horizon3.ai	SeedJan 2020$4M	$280M
Co-investors: Ilya Kirnos (SignalFire), Aaron Jacobson (New Enterprise Associates (NEA)), Dorin Baniel (NightDragon), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA))
Outlier	Series BJan 2020$22M Series AJul 2018$6M	$78M
Co-investors: John Lyman (GV (Google Ventures)), Stephen Francis (Arrive), Brad Greenwald (Hilltop Venture Partners), Leo Polovets (Humba Ventures), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Marc Ladin (PVCP), Josef Feldman (Tectonic Capital)

most interested in

I'm looking to invest in founder-led Series A companies with early revenue, primarily serving enterprises. Currently focus on data services, cloud infrastructure, Consumerization of IT, SaaS applications, martech, and select e-commerce.

not interested in

I'm less excited about hardware, non-Series A stage

Alexander Rosen's Experience

Managing Director and Co-Founder Ridge Ventures (Formerly known as IDG Ventures USA)2006 - Present

Junior Associate General Atlantic PartnersPresent

Analyst Credit SuissePresent

General Partner Sprout Group1996 - 2003

Alexander Rosen's Education

Stanford University Graduate School of Business MBA

Massachusetts Institute of Technology Bachelor of Science (BS) Economics, Electrical Engineering