B. Sc. (May-1993) in Mathematics, Rank First, Very Good with honor degree, Mansoura University, Egypt.
M. Sc. (November-1997) in Mathematics (Differential Equations), Mansoura University, Egypt.
Title: Oscillation of Solutions of Delay Differential Equations
Ph. D. (December 2002) in Mathematics, Adam Mickiewicz University, Poznan, Poland.
Title: Oscillation Theory of Delay Differential and Difference Equations and Some of Their Applications.