Christos Zaroliagis is a Full Professor in the Department of Computer Engineering & Informatics, University of Patras (Patras, Greece), and a Senior Research Associate in the Computer Technology Institute & Press "Diophantus" (Patras, Greece). He held previous positions at the Max-Planck-Institut für Informatik ( Saarbrücken, Germany), and the Department of Informatics, King's College, University of London (UK). He was also a visiting Professor and KIT Distinguished Research Fellow of the Karlsruhe Institute of Technology (Germany). He specializes in the interplay among intelligent algorithm engineering, optimization, decentralized computing, cryptography & information security, and their application in large-scale networks and systems, with a special focus on mobility in smart cities, intelligent transportation systems, and big data analysis. He has extensively published in major international journals and conferences and has received numerous invitations from international conferences and leading academic institutions to give talks about his work. He is serving/served as editor or guest-editor in academic journals (ACM Journal of Experimental Algorithmics, Algorithms, and Journal of Discrete Algorithms), and as member or chair in several Program and Organizing Committees of leading international computer science conferences. He has received various distinctions for his work (prize award 2012 for Academic and Scientific Excellence awarded by the Greek Ministry of Education, KIT Distinguished Research Fellow, Mercator Fellow). He is a member of ACM, IEEE, and EATCS.