Holding Doctorat d’Etat ès Sciences Physiques degree from the Institut National Polytechnique of Grenoble, PhD from the Technical University of Wroclaw – Poland and Engineer diploma from the Ecole Nationale Polytechnique of Algiers. His main research interests as teachings include high voltage engineering and insulating coordination. He supervised more than 50 Ph.D students. He is author/co-author of more than 480 technical papers including more than 210 refereed journal papers, 5 patents, 2 books and 6 book chapters. From 1994 to 1998, he chaired the International Study Group on Streamer Propagation in Liquids of the IEEE (Institute of Electrical and Electronics Engineers) – DEIS. He is member of many Advisory Committees of International Conferences and associate editor of IEEE TDEI Journal. His is IEEE Fellow and the recipient of the IEEE DEIS 2016 T.W. Dakin Distinguished Technical Contributions Award.