I am an entrepreneur and angel investor, a co-author of Venture Hacks, and a co-maintainer of AngelList. Previously I was a co-founder at Genoa Corp (acquired by Finisar), Epinions.com (IPO via Shopping.com), and Vast.com (largest white-label classifieds marketplace). I’ve also advised Bix.com, iPivot, and XFire, among others, and invested in many companies, including Twitter, FourSquare, DocVerse (sold to Google), Mixer Labs (sold to Twitter), Jambool (sold to Google), SnapLogic, PlanCast, Stack Overflow, Heyzap, and Disqus.