Alexander Rosen

Managing Director, Ridge Ventures

Alexander (Alex) Rosen is a Managing Director with Ridge Ventures (fka IDG Ventures USA).  He has been an investor and “consigliere” to early-stage technology entrepreneurs for over 20 years.  Today, he focuses on investments in cloud infrastructure, SaaS applications, ad tech, and consumer marketplaces.  In particular, he’s passionate about companies at the intersection of consumer and enterprise technologies. Alex currently serves as board director at  Chubbies  (e-commerce for the weekend), Minted (design-driven e-commerce marketplace), Outlier (automated business analysis), Smartling (translation management SaaS), SafeGraph (ground truth dataset for human movement), Tempered Networks (security for industrial IoT),  UpLift  (payment management and marketing for online merchants) and YouEarnedIt (employee engagement platform).

He also led Ridge Ventures’ investments in multiple companies including Appboy, cClearly, Datanyze, Fastly, Indiegogo, Motivate, Nuzzel, Prism Skylabs, The League, and Trifacta. Previously, he was a General Partner at Sprout Group, where he was head of the Internet and Software group. Alex has been a board member, observer, or investor at Blue Box (acquired by IBM), Flowdock (acquired by Rally), MyNewPlace (acquired by RealPage), mySimon (acquired by CNET), Quintus (IPO, acquired by Avaya), Fogdog (IPO, acquired by GSI Commerce), Krux (acquired by, MindMeld (acquired by Cisco), Rhythms (IPO, acquired by AT&T), Sapient Health Network (acquired by WebMD), SideStep (acquired by Kayak), and Vidible (acquired by AOL).  Alex started his venture capital career as an associate with General Atlantic Partners, served as an advisor to Vector Capital, and developed software for Telcordia and AT&T Bell Labs early in his professional life.  He holds BS degrees in Electrical Engineering and Economics from MIT and an MBA from Stanford University.

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