In the past, he has held positions at Osaka University, Japan, Nara National College of Technology, Japan, National Fusion Research Institute, Korea, and Korea Electric Power Co. Ltd. He received his PhD in Computer Science from Korea University. He also is a research consultant on some international projects, a mentor for few bodies, an Editor of Journal of Computer Networks, IEEE Access, Science and Education Publishing. He has given many invited talks across the globe and has chaired conference sessions. He is a senior member of IEEE. He is serving as editor in chief of IEEE Internet Policy and IEEE Future Directions on Ethics and Policy in Technology Newsletters. His research interests include: cloud computing (NFV/SDN), network virtualization, IoT, network security, wireless networks, etc.