Osman Mohammed Hag El-Mekki graduated with a Bsc degree in Mathematics from the Faculty of Mathematical Sciences, University of Reading (United Kingdom ) and an MSc degree Mathematical Tripos III 1969, University of Cambridge, (United Kingdom). He was trained in Biostatistics and was awarded a PhD, University of Khartoum, Sudan 1976. He is currently Associate Professor of Applied Mathematics, School of Mathematical Sciences, University of Khartoum.