Professor Ben Letaief received the BS degree with distinction in Electrical Engineering from Purdue University at West Lafayette, Indiana, USA, in December 1984. He received the MS and PhD Degrees in Electrical Engineering from Purdue University, in August 1986, and May 1990, respectively. From January 1985 and as a Graduate Instructor in the School of Electrical Engineering at Purdue University, he has taught courses in communications and electronics. From 1990 to 1993, he was a faculty member at the University of Melbourne, Australia. Since 1993, he has been HKUST where he is currently Professor and Head of the Electronic and Computer Engineering Department. He is also the Director of the Hong Kong Telecom Institute of Information Technology as well as the Director of the Center for Wireless Information Technology. Professor Ben Letaief served as consultants for different organizations and is currently the founding Editor-in-Chief of the IEEE Transactions on Wireless Communications. He has served on the editorial board of other journals including the IEEE Journal on Selected Areas in Communications.