He obtained a PhD in Computer Science in 2005 from University of Lille (France) and the CEA. His PhD was about the management of the variability for the designing of real time system family in the context of a model-driven approach. Today, he is researcher at CEA LIST/LECS (CEA - French Atomic Energy Agency, System Requirements and Compliance Laboratory) where he works on requirement management, and tracability problematic. He is also involved as Technical lead of Eclipse Papyrus tool (http://www.eclipse.org/papyrus).