Jochen Schiller is an Assistant Professor in the fields of Computer Networks, specializing in Mobile Communications, at the university of Karlsruhe, Germany and Uppsala University, Sweden, and is an Associate Professor attached to the École de Technologie Supérieure, Université du Québec, Canada. His research includes work within several European projects and industry co-operations dealing with QoS provisioning for large-scale WWW servers. He also acts as a consultant for several companies in the networking and communication business.