Ali EKŞİM was born in 1978, in Denizli, Turkey. He is currently a Division Manager at the Center of Research for Advanced Technologies of Informatics and Information Security (TUBITAK-BILGEM) in Gebze, Kocaeli, Turkey. He received his B.Sc. degree from Yeditepe University, his M.Sc. degree from Koç University, and his Ph.D. degree from Istanbul Technical University, Istanbul, Turkey in 2001, 2004 and 2011, respectively. He has a book, a book chapter, and an editor of Wireless Communications and Networks: Recent Advances. In addition, he has more than 50 research publications in various national and international journals and conference proceedings. His current research interests lie in wireless communications, space–time coding, coding and modulation, physical layer security, wireless sensor networks and digital signal processing. Dr. Ekşim is a Senior Member of the International Association of Computer Science and Information Technology, and Member of International Association of Engineers and Institue of Electrical & Electronics Engineers. He has been given a URSI Young Scientist Awards for the URSI-GASS Symposium, which is to be held in Istanbul, Turkey in 2011.