Tim Szigeti, CCIE No. 9794, is a technical leader at Cisco within the Enterprise Systems Engineering (ESE) team, where he has spent the last decade specializing in quality of service technologies. His current role is to design network architectures for the next wave of media applications, including TelePresence, IP video surveillance, digital media systems, and desktop video. He has coauthored many technical papers, including the Cisco Enterprise QoS Design Guide and the Cisco TelePresence Network Systems Design Guide, and the Cisco Press book End-to-End QoS Network Design. Tim holds a bachelor of commerce degree in management information systems from the University of British Columbia.