Founder/CEO of @Yammer (now part of Microsoft). Previously: Founder/CEO of @Geni. Original COO and product leader of @PayPal.
Investor in @Skype, @Chegg, @Square, @Etacts, @Dailybooth, @Flipboard, @Nowmov, @CitizenNet, @Optimizely, @Mobile Roadie, @Brizzly.
@Khosla Ventures. Former Executive at @PayPal, @LinkedIn, @Slide and @Square.
General Partner at @Matrix Partners; Founder & Director at @Betfair.com; Entrepreneur and Investor. Gambler, guy who knows how to do a lot of things.
Partner at YCombinator, Founder of @FriendFeed, Creator of GMail
Founder Techcrunch, @CrunchFund Partner, blogger at Uncrunched.
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