David Ulevitch is a technology entrepreneur and general partner who leads the American Dynamism practice at Andreessen Horowitz. David Ulevitch's Twitter Score is 264 out of 1000 (an Excellent rating) as of September 2026, ranking #1,379 (top 0.5%) among 486,621 tracked accounts.
David Ulevitch founded OpenDNS, which was acquired by Cisco in 2015 for $635 million, and also founded EveryDNS, which grew into the world's largest free DNS service before being acquired by Dyn, now part of Oracle, in 2010. Following the OpenDNS acquisition, he previously worked at Cisco Security, overseeing a business with $2.4 billion in annual revenue.
David Ulevitch now works at Andreessen Horowitz as a general partner, focusing on the American Dynamism practice, which backs companies building products and services relevant to national interest. David Ulevitch has 130,607 followers as of September 2026 on Twitter and has published 10,249 posts. David Ulevitch has been mentioned by 228 accounts, with 576 total mentions.
Who follows David Ulevitch on X?
The accounts that follow David Ulevitch include 1,181 founders, 367 angel investors, 163 influencers and 47 VCs, among them Balaji, Chris Dixon, Marc Andreessen, Nikita Bier, Matt Huang and Anthony Pompliano.