Thrasyvoulos Tsiatsos is currently Lecturer in the Department of Informatics of Aristotle University of Thessaloniki. He obtained his Diploma, his Master's Degree and his PhD from the Computer Engineering and Informatics Department of Patras University (Greece). His research interests include Networked Virtual Learning Environments, Computer Uses in Education, Evaluation methods of Internet Learning Environments and Open and Distance Education using Multimedia and Internet Technologies. He has published more than 90 papers in Journals and in well-known refereed conferences and he is co-author in 3 books. He has been a PC member and referee in various international journals and conferences. He has participated in R&D projects such as OSYDD, RTS-GUNET, ODL-UP, VES, ODL-OTE, INVITE, EdComNet, VirRAD, SAPSAT, E-internationalization for Collaborative Learning (EICL) and Education of oreign and Repatriated Students (NSRF – National Strategic Reference Framework, 2007–2013). Also he is member Technical Chamber of Greece.