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

424 CONNECTIONS

Massachusetts Institute of Technology Network

396 CONNECTIONS

Credit Suisse Network

197 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), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Scot Wingo, Anthony Pompliano
GoodDay Software	Series UnknownJan 2026$7M	$7M
Co-investors: Amish Jani (FirstMark Capital), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA))
Flip CX	Series AJan 2026$20M	$29M
Co-investors: Kevin O'Connor (ScOp Venture Capital), Eric Wiesen (Bullpen Capital), Aaron Schildkrout (Addition), Michael Cardamone (Forum Ventures), Mike Smerklo (Next Coast Ventures), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Andrew Jones
Besty AI	SeedAug 2024$2M	$6M
Co-investors: Akriti Dokania (Ridge Ventures (Formerly known as IDG Ventures USA)), Matthew Ziskie (Bungalow Capital), David Ambrose (Steadfast Venture Capital), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Ravi Belani (Alchemist Accelerator)
OfferFit	Series BNov 2023$25M	$39M
Co-investors: Bradley Horowitz (Google Ventures), Alex Clayton (Meritech Capital Partners), Mike Ghaffary (Canvas Ventures), JP (Jean-Paul) Sanday (Menlo Ventures), Nadav Ben-Chanoch (Pareto Holdings), Katelyn Donnelly (Avalanche VC), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Alex Khor (AfterWork Ventures), Michael Stoppelman (Self-employed), Edward Lando (Biowear), Jeremy Stoppelman (Yelp.com), Tushar Garg, Frederic Kerrest, Ryan Carlson, Kevin Stumpf, Ron Pragides
SafeGraph	Series BMar 2021$45M Series AApr 2017$16M	$61M
Co-investors: Scott Faber (NFX), Peter Thiel (Founders Fund), Cathy Gao (Sapphire Ventures), Paul Levine (Sapphire Ventures), Chris Farmer (SignalFire), Fabrice Grinda (FJ Labs), Chris Scoggins (SignalFire), Jeff Epstein (Bessemer Venture Partners), Naval Ravikant (Sm4rt Predictive Systems), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Itamar Novick (Recursive Ventures (ICCA Labs)), Jonathan Abrams (8-Bit Capital), Pete Briger (Fortress Investment Group), Robert Pittman (iHeartMedia), Kim Perell (Unknown 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 (Vast Ventures), Will Harbin (KIXEYE), 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), Julia Popowitz (Broadway Angels), Adrian Aoun (500 Startups Korea), Russell Fradin, Adam Foroughi, George Garrick, Russ Fradin, Brian O'Kelley, Adam D'Angelo, Saran Chari, Eric Chernoff, Joe Zawadzki, Joel Hornstein, Nicolas Berggruen
Horizon3.ai	SeedJan 2020$4M	$280M
Co-investors: Ilya Kirnos (SignalFire), Aaron Jacobson (New Enterprise Associates (NEA)), Kevin Gabura (Carrick Capital Partners), Alex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA)), Dorin Baniel (NightDragon)
Outlier	Series BJan 2020$22M Series AJul 2018$6M	$78M
Co-investors: John Lyman (GV (Google Ventures)), Leo Polovets (Susa Ventures), Neil Sirni (Proximity Ventures), Stephen Francis (Arrive), Brad Greenwald (Hilltop Venture Partners), Mike Smerklo (Next Coast 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

Analyst Credit SuissePresent

Junior Associate General Atlantic PartnersPresent

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