Nazar Elfadil received his BSc degree in Science and Technology in 1993 from Geizra University- Sudan, and his Ms and PhD in Computer Science (network security) and Computer engineering from University Technology of Malaysia in 1997 and 2001, respectively. Dr. Nazar was an Assistance Professor in Nottingham University-Malaysia till 2003. He was a faculty member in department of Electrical and Computer Engineering, Sultan Qaboos University, Oman. He is currently an associate professor in department of Computer Engineering, Fahad Bin Sultan University, Saudi Arabia. His research interests include network security and performance, machine learning, knowledge engineering, wireless network, and artificial intelligence.