 Demonstrator employment - Faculty of Science, Mansoura University (6/2004 to 12/2010).  Assistant lecturer - Faculty of Science, Mansoura University (12/2010 to 7/2013).  Lecturer employment- Faculty of Science, Mansoura University from 7/2013.  Current position: Lecturer employment at Mathematics Department - Faculty of Science, Mansoura University.

 Stochastic Differential Equations.  Stochastic Functional Differential Equations.  Stochastic Partial Differential Equations.  Stochastic Difference Equations.  Stochastic Functional Difference Equations.  Bio-stochastic Models.  Using some mathematical programs such as Matlab, Maple or Mathematica.