I received the Maîtrise Es-Sciences (B.S. degree) in Mathematics in 1978, the Diplôme d'Etudes Approfondies (M.S. degree) in Statistics in 1979, and the Doctorat de 3ème cycle in Modeling of Computer Systems in 1981, all from the University of Paris XI, Orsay, France. In 1987 I received the Doctorat d'Etat in Applied Mathematics from the University Pierre and Marie Curie (Paris 6), Paris, France.
Since December 1981 I have been with Inria (in Rocquencourt from December 1981 to June 1985, Sophia Antipolis from July 1985 to March 2016, Lyon since April 2016) where I hold a Director of Research position (Directeur de Recherche de Classe Exceptionnelle). From 1998 to 2014 I was the scientific leader of the project-teams Mistral (1998-2003) and Maestro (2003-2014) devoted to the modeling and performance evaluation of communication networks and computer systems. In April 2016 I joined Inria project-team DANTE located at ENS de Lyon and devoted to the analysis of dynamic networks.
My research interests centre on the mathematical modeling and performance evaluation of communication networks with a current focus on quantum communications and covert communications.
I held long-term visiting appointments at the University of Massachusetts (Amherst, 5 months in 2018-2019, 5 months in 2016-2017, 1 year in 1993-1994), the Massachusetts Institute of Technology (MIT, Cambridge, 1 year in 2015-2016), North Carolina State University (NCSU, Raleigh, 6 months in 1988) and the University of Maryland (College Park, 4 months in 1987).
I am on the Advisory Board of the Performance Evaluation journal, a past Editor-in-Chief of Performance Evaluation (2008-2017), and a past Associate Editor of IEEE/ACM Transactions on Networking, IEEE Transactions on Automatic Control, Performance Evaluation, Operations Research Letters, and Journal of Applied Mathematics. I was a co-program chair of the ACM Sigmetrics 2000 conference and the general chair of the IFIP Performance 2005 conference. Since 1997 I have been a member (treasurer from 2002 to 2007, vice-chair from 2008 to 2014) of the IFIP Working Group 7.3 on Computer System Modelling, and I am a past member of the ACM Sigmetrics Executive Committee (2007-2011).
From July 2007 to June 2010 I was the scientific deputy (Délégué Scientifique) of the Inria Sophia Antipolis - Méditerranée Research Centre and chair of its scientific board (Comité des Equipes-Projets). From September 2012 to August 2015 I was the chairman of the Inria Evaluation Committee. From April 2016 to December 2017 I chaired the Inria Strategic Technology Monitoring & Prospective Studies Unit.