Khaled Ahmad Mohamad Fathy was born in 1981. He received the B.Sc., pre-M.Sc., M.Sc., and Ph.D. degrees in mathematics and computer science from the Faculty of Science, Al-Azhar University, Egypt, in 2004, 2007, 2012, and 2018, respectively. He is currently a lecturer in mathematics and computer science. His research interests include algorithms (sequential and parallel), cryptography and image processing.