Jean Sulem is Professor at Ecole des Ponts ParisTech, and Research Director. He is leading the Geotechnical Group CERMES at Laboratoire Navier. His research interests are related to Bifurcation Theory applied to stability and strain localisation analyses, Constitutive Modelling of geomaterials, Experimental Rock Mechanics, Thermo-Hydro-Mechanical Behaviour of Geomaterials with applications to Tunnelling, Petroleum Engineering, Deep Geological Storage, Fault Mechanics. Jean Sulem is a member of the Advisory Board of several scientific journals and Associate Editor to Rock Mechanics and Rock Engineering. Since 2016, he is the President of the French Society of Rock Mechanics. In 2018, Jean Sulem received the Vardoulakis lecture Award from the University of Minnesota.