Jorg Liebeherr received the Ph.D. degree in Computer Science from the Georgia Institute of Technology in 1991. After a Postdoc at the University of California, Berkeley, he joined the Department of Computer Science at the University of Virginia in 1992. In 1997/1998 he was an Associate Professor in the Department of Electrical Engineering at Polytechnic University. Since Fall 2005, he is with the ECE Department of the University of Toronto as the Nortel Chair of Network Architecture and Services. He received an NSF Career award in 1996, a University of Virginia Teaching and Technology fellowship in 1995, a Virginia Engineering Foundation fellowship in 2002, and a best paper award at ACM Sigmetrics 2005.