He earned his Ph.D from the Department of Computer Science at the University of Massachusetts in May, 2005, where he also earned his M.S. in 2002. His dissertation work addresses the robustness of anonymous communications. His other interests include traffic analysis prevention for mobile and wireless systems, secure peer-to-peer systems, sensor network security, and privacy for ubiquitous computing. Previously, he earned his B.S. degree in Computer Science at Harvey Mudd College. He is a recipient of the Outstanding Paper Award at the 2002 Symposium on Network and Distributed System Security.