He received his Ph.D. degree in Computer Engineering from Kyung Hee University, South Korea in February 2011. He was a Research Professor at Computer Engineering department, Kyung Hee University, South Korea from March, 2011 to October, 2011. He has authored and co-authored more than 50 publications including refereed IEEE/ACM/Springer journals, conference papers, books, and book chapters. He has served as, chair, and Technical Program Committee member in numerous international conferences/workshops like IEEE HPCC, IEEE ICME, ACM Multimedia, ICA3PP, IEEE ICC, TPMC, IDCS, etc. His research interests include Cloud collaboration, multimedia Cloud, sensor-Cloud, mobile Cloud, Thin-Client, Grid computing, IPTV, virtual network, sensor network, and publish/subscribe system.