Dr. Panagiotis Zaharias holds a first degree in Informatics from the Department of Informatics in Athens University of Economics and Business (1998), and a Masters degree in Information Systems from the MSc. Program in Information Systems in Athens University of Economics and Business (2000). He also holds a Ph.D. degree in Information Systems (specialization on Human Computer Interaction, thesis title: A Usability Evaluation Method of E-learning Courses) from the Department of Management Science and Technology of Athens University of Economics and Business (2004). His main research interests are focused on user-centred design, usability evaluation and e-Learning design. Panagiotis has an extensive research experience. He has participated in various European and National-based research projects. He has published more than 20 papers in scientific journals and conference proceedings. He has also co-organised dedicated research tracks on usability and e-learning design in leading International Conferences focused on human-computer interaction. Panagiotis is a member of ACM Special Interest Group on Human-Computer Interaction (SIGCHI) and AACE (Association for the Advancement of Computing in Education) organization. He has been a member of ISTLab for 10 years and now he is a research associate of OIS where he is undertaking research and e-learning consulting projects. Dr. Panagiotis Zaharias is currently a Lecturer (407/80) at the Department of Product and Systems Design Engineering of the University of the Aegean, Greece.