He received his B.S., M.S., and Ph.D. from Stanford University. He has also been a consultant to three networking startups and a Principal Member of Technical Staff at SBC Network Systems Engineering. His research interests include nonlinear optimization of communication networks, broadband access network design, and information-theoretic limits of communication systems. He has been a Hertz Foundation Fellow and received NSF CAREER Award in 2005. He is the lead guest editor of IEEE JSAC Special Issue on Nonlinear Optimization of Communication Systems, a guest editor of IEEE Trans. Inform. Theory and IEEE/ACM Trans. Networking Joint Special Issue on Information Theory and Networking, and the Program Co-Chair of the 38th Conference on Information Sciences and Systems.