Previously, he was the co-founder and managing partner of SV Angel, an angel fund with investments in companies such as Twitter, Pinterest, Dropbox, Airbnb, Product Hunt, Snapchat, and others. Prior to SV Angel, David was at Baseline Ventures, a leading seed-stage venture firm. He was a founding member of Google's New Business Development team and led business development at StumbleUpon prior to its sale to eBay.
He was also a corporate attorney at leading technology law firms. David has an M.S. in electrical engineering from Stanford, where he was a National Science Foundation graduate fellow; a J.D. from NYU; and a B.A. from Johns Hopkins. He currently serves on the Board of Directors of the Lucile Packard Foundation for Children's Health. David is a survivor of Stage IV Hodgkin's Disease.
In 2011, Marc Andreessen and Ben Horowitz named David as "One of the 7 Most Powerful People in Technology You've Never Heard Of." He was named once on “The Secret Power Brokers of Silicon Valley” and named twice on “The Silicon Valley 100” both by Business Insider.