He received the electrical engineering degree from the Université Catholique de Louvain, Louvain-la-Neuve, Belgium, in 1989, the M.S. degree in electrical engineering from the University of California at Berkeley, USA, in 1990, and the PhD degree from EPFL, in 1996. He became an adjunct professor in 1998, an assistant professor in 2002 and an associate professor in 2006. From 2000 to 2001, he was with Sprint Advanced Technology Labs, Burlingame, CA. His research interests include communication networks, performance analysis, dynamical systems and stochastic models. He is currently active in the analysis and design of wireless multi-hop networks and in network monitoring. He served as an associate editor for the IEEE Transactions on Circuits and Systems in 1997-99, and he is currently an associate editor for the IEEE/ACM Transactions on Networking. He was the recipient of the 1996 EPFL Ph.D. award.