Hassan Yousif Ahmed received a B.Eng. in Computer Engineering (Network Systems) and an M.Sc. in Computer Science and Information from Gezira University, Sudan, in 2002 and 2007, respectively, and a Ph.D. in Electrical and Electronic Engineering from University Tecknolgi Petronas, Malaysia, in 2010. He is currently an Associate Professor with the Electrical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University. He is also the Dean Assistant of Quality and Development. His research interests include computer networks, wireless communications networks, optical communications, and cryptography systems.