Dr. Tzu-Chien Liu is now the director and professor of the Graduate Institute of Learning & Instruction, National Central University (NCU). His research interests mainly focus on mobile learning and ubiquitous learning, instruction and learning sciences, the cognitive base of technology application, innovative technology for education, interactive learning and assessment. Until now, he has (co-)authored more than 140 book chapters, refereed journal and international conference papers. Moreover, Dr. Liu is the associate editor of the Journal of Research in Education Sciences (Scopus index) and guest editor of the International Journal of Engineering Education Special issue (SCI index). He is also the associated editor Asia of the International Journal of Interactive Mobile Technologies (EBSCO index) and the editorial advisory board member of Educational Technology & Society (SSCI index). Dr. Liu served as invited reviewers for various eminent international journals including Educational Technology & Society, Journal of Computer Assisted Learning, Computers & Education and British Journal of Educational Technology. He has participated in more than 15 international conferences (workshops) as a co-chair or program committee member. Dr. Liu has received several research awards, such as ¡§NCU Outstanding Research Award¡¨ in 2006, 2008, 2009, 2010, and 2011; the Best Paper Award of 2007 from the 3rd Taiwan E-Learning Forum; besides, he also was awarded the “NCU Excellent Advisor Award" in 2010.