Bill Coughran leads the broad systems infrastructure group underlying Google's products and services, including cluster management, storage, search systems, and a number of product engineering efforts. He joined Google engineering in early 2003. Throughout his extensive career in computing, Bill has been involved with networking, secure, and distributed systems as well as computational science and engineering. Before joining Google, Bill co-founded and served as CEO and in other executive roles at Entrisphere in Silicon Valley. Earlier, he was head of Bell Labs' Computing Sciences Research Center, where C, C++, Unix, Plan 9, and Inferno were created. He has also worked in computational science and distributed systems. Bill currently serves on the boards of directors for nSolutions Inc and Clearwell Systems Inc. In addition, he is an author of more than 50 publications and has served on several scientific boards/committees and technical advisory bodies. He has also held adjunct and visiting positions at Stanford, the ETH, and Duke. Bill holds a Ph.D. in computer science from Stanford University as well as degrees in mathematics from Caltech.