Obtained Phd thesis, in 2005, at the University of Marseille-France. After he moved for two Postdoctoral positions. The first one was in (WIAS) Weierstrass Institute for Applied Analysis and Stochastics in Berlin-Germany. The second Postdoctoral position was in (NCMM) Necas Center for Mathematical Modeling in Prague-Czech Republic. Now, he is a Full Professor of Mathematics at the Department of Mathematics in the University of Annaba-Algeria. Defended the French Habilitation in May 19th 2016 at the Aix-Marseille University in France. His main research interest is the Numerical Methods for Partial Differential Equations.