2007-2011 : Doctoral studies ( Chemical Physics Theory) university of Batna1.
2012–2014 : Postdoctoral fellow , University of Lyon 1 with Prof. Henry Chermette .
2015 - : Habilitation, University of Setif 1
1) Investigation of Chemical Reactivity and Selectivity through Quantum Chemistry
2) Application of Density Functional Theory of Optical and Nonlinear Optical
3) Application of Density Functional Theory of compounds including lanthanide atoms