Sylvia Preuss-Laussinotte is a lawyer and legal scholar. She was a Professor for Public Law at the University of Paris-X Nanterre and the director of the Paris-X Nanterre masters program Droit des Nouvelles Technologies et Societé de l’information (Law of New Technologies and Information Society), conducting numerous research projects. Preuss-Laussinotte is the editor of droits-libertes.org, a website dedicated to the Law of Basic Liberties in France. Furthermore, she is scientific advisor of the Dictionnaire permanent Droit des étrangers, a dictionary of French foreigner law. Besides her law degrees, Preuss-Laussinotte holds a degree in sociology from the École des hautes études en sciences sociales (EHESS), Paris.