Dr. Zhang joined the Computer Science Department at the University of Arizona in 2005. He received PhD from UCLA in 2003, and BS from Peking University, China in 1995. Before coming to Arizona, he spent two years as a postdoc at USC/ISI-East and UCLA. His research area is computer networks in general. He has been working on Internet routing architectures and protocols, green networks, routing security, and Internet content distribution. He is the receipient of the Applied Networking Research Prize by ISOC and IRTF in 2011, and the Best Paper Award at ICDCS in 2005.