Dr. Nian-Shing Chen is a chair professor in the Institute for Research Excellence in Learning Science & Program of Learning Science at National Taiwan Normal University, Taiwan. He has published over 400 academic papers in international referred journals, conferences, and book chapters. His current research interests include assessing e-learning course performance, online synchronous teaching and learning, mobile and ubiquitous learning, gesture-based learning and educational robotics. Prof. Chen served as an editorial board member for many international journals and guest editors of special issues in various international journals. He also organized and chaired numerous international conferences and workshops in the area of advanced learning technologies. Professor Chen is a golden core member of IEEE, ACM, and the former Chair of the IEEE Technical Committee on Learning Technology.