Laurent Mauborgne has joined the Institute in a Researcher position. Laurent was previously assistant professor at École normale superieure and part-time professor at École polytechnique, France. He received his Ph.D. in Computer Science from École Polytechnique, in 1999, and an habilitation à diriger les recherches from University Paris-Dauphine (France) in 2007. His research focuses on static analysis of programs and abstract interpretation. The goal is to develop theoretical as well as practical tools to analyze the behaviors of programs. He is one of the authors of the Astrée analyzer, a tool that proves the absence of run-time errors in critical avionic code.