there are 100 % chances for you to have taken at least once a plane, a car, or used a razor modeled a day by Dassault Systems. This company of 20 000 employees, is headquartered in Velizy-Villacoublay, in the Yvelines, is a global champion of the software and services. At its head, Bernard Charlès, an engineer born there sixty-two years, near Paimpol (Côtes-d’armor), professor of the École normale supérieure of Paris-Saclay, phd in mechanics and a great admirer of Leonardo da Vinci. Entered as a trainee in 1983, he has transformed this company created two…