Train as an oceanographer, I did a PhD on using Constraints Programming to model HIV- regulation in University of Lorraine - INRIA. I did a post-doc in Ecosystem Modeling group at Texas A&M University. Since 2006, I am Ass. Professor in LS2N (Numerical Sciences Laboratory in Nantes) - Université de Nantes within the Computer Sciences department. My research is dedicated to promote systems biology from gene to ecosystems range.