Şerif Bahtiyar received his B.S. degree in Control and Computer Engineering and M.S. degree in Computer Engineering from Istanbul Technical University, Turkey and his Ph.D. degree in Computer Engineering from Boğaziçi University, Istanbul, Turkey. Dr. Bahtiyar was a senior researcher at National Research Institute of Electronics and Cryptology, Turkey and he was a post-doctoral researcher at TU-Berlin, Germany. Dr. Bahtiyar served as a product manager at MasterCard and he joined the Department of Computer Engineering of Istanbul Technical University, Turkey, where he is currently serving as an associate professor. His current interests are security, trust, financial systems, smart systems, modelling of systems, and product management.