Zakariya Mohamed was among the first intake of AIMS graduates in August 2003. He completed his research essay on Epidemics on Scale-free networks under the supervision of Gareth Witten. After completing the AIMS Postgraduate Diploma he enrolled for a PhD in Statistics at the University of the Western Cape. During his studies, Zakariya provided consultancy services to the local universities. After completing his PhD in 2009, Zakariya returned to Sudan where he was appointed as the Head of the Department of Statistics in the Faculty of Mathematical Sciences, University of Khartoum.