Kien Nguyen (Senior Member, IEEE) received a B.E. degree in electronics and telecommunication from the Hanoi University of Science and Technology (HUST), Vietnam, in 2004. In 2012, he obtained a Ph.D. degree in Informatics from the Graduate University for Advanced Studies, SOKENDAI, Tokyo, Japan. Currently, he works as an Assistant Professor with the Graduate School of Science and Engineering, Chiba University. His research interests include the Internet, Internet of Things technologies, and wired and wireless communication. He has published more than 110 publications in peer-reviewed journals and conferences and several Internet drafts and holds three patents. He is a senior member of IEEE and a member of IEICE. He is also involved in IETF activities.