Thomas Karagiannis is a researcher with the Systems and Networking group of Microsoft Research Cambridge, UK since 2006. He received his Ph.D. in Computer Science from the University of California, Riverside and his B.S at the Applied Informatics department of the University of Macedonia, in Thessaloniki, Greece. Before joining Microsoft, he has also been with Intel Research and the Cooperative Association for Internet Data Analysis (CAIDA). Thomas received the 2011 ACM SIGCOMM Honorable Mention award, and has several publications in the top conferences for computer networks. His research interests include data center networks, Internet measurements and modelling, and social networks.