Investor at a16z.
Personal investor in technology startups, including Kickstarter, Stripe, Warby Parker, Pinterest, Foursquare, Picturelife, Kitchensurfing, 42Floors, Codecademy, Stack Overflow, Dropbox, Gerson Lehrman Group, Bloomreach, Optimizely, Skype, TrialPay, Sift Science, Oyster, Behance (acquired by Adobe), OMGPOP (acquired by Zynga), Truaxis (acquired by Mastercard), DocVerse (acquired by Google), ScanScout (IPO) and Invite Media (acquired by Google),
Co-founder/CEO of Hunch (acquired by eBay).
Co-founder/CEO of SiteAdvisor (acquired by McAfee).
Programmer at Arbitrade, a hedge fund focusing on high-speed options trading (acquired by Citigroup).