Professor Ivan Martinovic is a Full Professor in the Department of Computer Science at the University of Oxford. Ivan is a renowned expert in the field of system security. His research directions primarily include authentication (services and users), network protocol security, and the analysis of trade-offs between system security and performance. He has published over 100 papers in these and other research areas. Before Oxford, Ivan previously worked in the Security Research Lab at UC Berkeley (2011) and in the Secure Network and Computing Centre at University of California Irvine (2009/2010). From 2009 until 2011 he enjoyed a Carl-Zeiss Foundation Fellowship and he was an associate lecturer at TU Kaiserslautern, Germany. He obtained his PhD from TU Kaiserslautern and MSc from TU Darmstadt, Germany.