graduated from HEC and received a Ph.D. in Economics at the University of Pennsylvania. I taught at Brown University, HEC Paris, Université Catholique de Louvain, Université d'Aix-Marseille and Ecole Polytechnique. I am currently Professor of Economics at Université Paris 1 and the Paris School of Economics.

My research interests are coalition and network theory, and I have also worked on applications in Industrial Organization, Public and Development Economics. My research has been published in American Economic Review, Rand Journal of Economics, Journal of Economic Theory, Games and Economic Behavior... I am currently an Associate Editor of Econometrica, Economics Letters, Games and Economic Behavior, Journal of Public Economic Theory and Mathematical Social Sciences.