Demetrios G. Sampson holds a Diploma in Electrical Engineering (1989) from Demokritus University of Thrace, Greece and a Ph.D. in Electronic Systems Design (1995) from University of Essex, UK. Currently, he is an Associate Professor on eLearning at the Department of Digital Systems, University of Piraeus, Greece, Senior Researcher at the Information Technologies Institute (ITI), Center of Research and Technology Hellas (CERTH) and an Adjunct Professor at the Faculty of Science and Technology, Athabasca University, Canada. His main research interests are in the areas of Technology Enhanced Learning. He is the co-author of 275 publications in scientific books, journals and conferences with at least 1189 known citations (h-index 20). He has received six (6) times Best Paper Award in International Conferences on Advanced Learning Technologies (July 2011, November 2010, July 2009, July 2007, August 2004, August 2001). He is Co-Editor-in-Chief of the Educational Technology and Society Journal, an international journal with Impact Factor 1.066 (2010) on the Thomson Scientific 2010 Journal Citations Report. He is also Member of the Steering Committee of the IEEE Transactions on Learning Technologies, Member of the Advisory Board of the Journal of King Saud University - Computer and Information Sciences, Member of Editorial Board of (19) International/ National Journals and Guest Co-Editor in (20) Special Issues of International Journals. His participation in the organization of international/national scientific conferences involves: General Chair in (13) International Conferences, Program Committee Chair in (17) International Conferences, Memberships in (256) Program Committees in International Conferences and Memberships in (14) Program Committees in National Conferences. He has been a Keynote/ Invited Speaker in (20) International Conferences and (18) National Conferences. He has been a Visiting Professor at the School of Computing and Information Systems, Athabasca University, Canada (2010), the Information Management Department, National Sun Yat-sen University, Taiwan (2011) and the University of Tunis (2012). He is a Senior Member of IEEE and he was the elected Chair of the IEEE Computer Society Technical Committee on Learning Technologies (2008-2011). He is the Founder and Director of the Advanced Digital Systems and Services for Education and Learning (ASK) Research Laboratory (since 1999) and he has been project director, principle investigator and consultant in 61 research projects with external funding at the range of 13 Million € (1991-2014).