KHAIRAN D. RAJAB received the bachelor’s degree from the University of South Carolina, USA, the master’s degree from the University of South Florida, USA, and the Ph.D. degree in computer science and engineering from the University of Southern Florida, under the supervision of Prof. L. A. Piegl. He is currently an Associate Professor, the Dean of e-learning and distance education, and the Head of the Network and Communication Engineering Department, College of Computer Science and Information Systems (CSIS), Najran University, Najran, Saudi Arabia. He has published over 16 research papers in high impact factor journals and reputable conferences. His research interests are geometric modeling, NURBS, data mining, network security, and cyber learning. He is a member of the College Council, CSIS. He is a reviewer and on editorial board of several research conferences and journals.