Thierry Berthier obtained his PhD in Mathematics in 1994 from the University of Sciences (Besançon), he is a lecturer at the University of Limoges.Bruno Teboul is a philosopher and cognitive scientist, Ph.D from University Paris-Dauphine, France, he is the co-founder of the Chaire Data Scientist at the Ecole Polytechnique, France, and is an Associate Researcher at the University of Technology of Compiègne, France.