Director of the Digital Currency Initiative in the MIT Media Lab. Leads MIT's research efforts in digital currency, cryptocurrencies and blockchain technologies. Employs two Bitcoin Core developers. PhD, Computer Science and Artificial Intelligence Laboratory at MIT, building fast, scalable distributed systems and databases. Previously, helped launch the new Digg and was a Senior Software Engineer at Google. Has given a TED talk on the future of money, was named to WIRED's list of 25 leaders shaping the next 25 years of technology, and was listed on Fortune's Ledger 40 under 40.