1972-1977 Assistant Lecturer at the Sciences and Technical Faculty of DAKAR University.
  1977-1983 Lecturer at the Sciences and Technical Faculty of Dakar University.
  1983-1986
           Associate Lecturer at the Institute of Statistics of Paris University (I.S.U.P).
           Associate Lecturer at Pierre Mendes France University (Paris).
           Associate Lecturer at the Institut of data processing at (Conservatoire National des Arts et Métiers  Paris).
  1986-1990 Senior Lecturer at Sciences and Technical Faculty of Dakar University.
   1990-1992 Senior Lecturer at the University Department of Mathematics and Computer Science at Gaston Berger University of Saint-Louis.
  Since 1992  Professor at the University Department of Mathematics and Computer Science at the Gaston Berger University of  Saint-Louis.
I am in charge of courses of Measure theory, Differential calculus, Theory of Complex variables, Statistics and Probability  for undergraduate and graduate levels. For postgraduate ones I teach Probability and Statistics.