Han-Chieh Chao completed his M.S. and Ph.D. degrees in Electrical Engineering at Purdue University, West Lafayette, IN, USA, in 1989 and 1993, respectively. He is currently with the Department of Applied Informatics, Fo Guang University, Yilan, Taiwan, also with the Department of Artificial Intelligence, Tamkang University, Taipei, Taiwan, also with the Department of Electrical Engineering, National Dong Hwa University, Hualien, Taiwan, and also with the Institute of Computer Science and Innovation, UCSI University, Kuala Lumpur 56000, Malaysia. In addition, during the period from September 2008 to July 2010, Han-Chieh Chao served as the Director of the Computer Center for the Ministry of Education Taiwan. His research interests are high-speed networks, wireless networks, IPv6-based networks, digital creative arts, e-government, the digital divide, and 5G/6G mobile networks. Han-Chieh Chao is the Editor-in-Chief of the Journal of Internet Technology, and the Founding Editor-in-Chief of the International Journal of Internet Protocol Technology and the International Journal of Ad Hoc and Ubiquitous Computing. He has served as the Associate Editor for IEEE Wireless Communications, IEEE Network, the IEEE Systems Journal, and Wireless Communications and Mobile Computing. He is a Fellow of IET.