Prof. Ben Sari graduated as Engineer of Geographical Sciences at the National Institute of Geography (France) in 1965, Engineer of Applied Geophysics at Institute of French Petroleum and Doctor of Physical Sciences at the University of Grenoble in 1977. He served as Engineer at the Ministry of Agriculture, Chief Of Service de Physique du Globe  at University of Mohamed V, Rabat Director of the National Centre of Coordination and Planning of Scientific and Technical Research,(C.N.R.) & Laboratory Manager of Geophysics and Astrophysics (LAG-CNR),He became Professor since 1978 at the Institute of Agronomy and Veterinary of Hassan II in Rabat & Professor at the School of Engineering of Mohammedia & director of LAPR labo at  (E.M.I.) He served as Coordinator of the International Centre of Sciences and High Technology (I.C.S.-UNIDO-Trieste)He established three national networks(seismology, alert sismic, &G.P.S.) He has published more than 100 articles & communications, 4 books, and edited 14 He has received many national regional and international recognitions & awards and is the Founding Director of the governmental institute for coordination and planning, Laboratories and alert network for earthquakes. He has received many national, regional and international recognitions and awards. He has published about 100 articles, 8 books, edited 4, made 60 Lectures and communications.