Vincent Kaufman is associate professor of urban sociology and mobility at Ecole Polytechnique Fédérale de Lausanne (EPFL). Since 2011, he is also scientific director of the Mobile Lives Forum in Paris. After a master degree in sociology (Universtiy of Geneva) he did his Ph.D. at EPFL on rationalities underlying transport modal practices. Vincent Kaufmann has been invited lecturer at Lancaster University (2000-2001), Ecole des Ponts et Chaussées, Paris (2001-2002), Laval University, Québec (2008) Nimegen University (2010), Université de Toulouse Le Mirail (2011), Université Catholique de Louvain (2004-2018) and Tongji University in Shanghai (2018). There fields of research are: motility, mobility and urban life styles, links between social and spatial mobility, public policies of land planning and transportation. He recently published “Mobilité et libre circulation en Europe” (with Ander Audikana) Economica (2017).