He earned a PhD from the University of Utah in 2010, and an Honors BS from Utah in 2001. His research interests are in the fields of systems and networking, and much of his energy has gone into creating top-quality experimental environments. He has worked in a diverse set of areas including distributed systems, combinatorial optimization, security, networking, simulation, and embedded systems. He has been a primary architect and implementor of Emulab and follow-on systems such as ProtoGENI and CloudLab since 2000.