- Head of the INRIA team project ALEA
- Since 2010, in charge of the INRIA theme "stochastic models and uncertainty" (theme 1), strategic plan EDF-INRIA (with Xavier Warin).
- Selection committee of INRIA research fellows (CR1 and CR2), INRIA Bordeaux - Sud Ouest Center in 2010 and 2011.
- Member of the INRIA coordination committee on applied mathematics, computation and simulation in 2009-2010.
- Member of the INRIA team project committee of the INRIA Bordeaux - Sud Ouest Center since 2009.
- Member of the INRIA young researcher committee of the INRIA Bordeaux - Sud Ouest Center in 2009 and 2010.
- Leader of the China Associate INRIA team 2009 : 2AS (with Prof. Wu Li Ming, Wuhan Univ., & CAS)
- Leader of the Action de recherche collaborative INRIA ARC EPS : Eco-microbiologie prévisonnelle statistique (2009-2011)
- Member of the Actions de recherche collaborative INRIA ARC RARE : Rare event simulation (2005-2007)
- Leader of a 2008-2009 Projet Région Aquitaine : Interacting Monte Carlo Markov Chain models (i-MCMC).
- Member of the working group Information, communication, matériaux-nanotechnologies of the National Strategy of Research and Innovation committee (2010).
- Scientific expert for the PES research grant selection committee of the French Ministry of Research in 2010, 2011, and 2012 section CNU 25 and 26.
- Scientific expert for the AERES Committee of the Laboratoire de Mathématiques de l'Université de Clermont Ferrand in 2003-2004.
- Paul Sabatier University, Toulouse III, & the engineer school INSA Toulouse from 2000 to 2004.
- Paul Sabatier University Toulouse in 2012.
- INSA Toulouse in 2012.
- Nice - Sophia Antipolis University from 2004 to 2007.
- Bordeaux 2 University in 2010.
- Bordeaux 1 University from 2009 to 2012 (CNU sections 26 and 25).
- Lille University in 2010.
- Rennes University, IRMAR in 2010.
- Leader with Bernard Cazelles (ENS Paris) of the "Projet exploratoire pluri-disciplinaire inter-instituts" 2011-2013: Modélisation stochastique et Inférence Bayesienne pour l'Epidémiologie des Maladies transmissibles multi-souches. Bordeaux Mathematical Institute - CNRS - Ecology & Evolution Dept. CNRS-UMPC-ENS, Paris.
- Member of the scientific commitee of the GRD-MASCOT-NUM (Stochastic models and methods for numerical codes and analysis)
- Member of GRD-MATHS & INDUSTRIE
- Leader of the CNRS-Research Program on Particle Methods for Non Linear Filtering in Paul Sabatier University, Toulouse (1998-2001).
- Principal investigator of the INTAS-RFBR, European Program on Idempotent Analysis (1996-1999).
- Leader in Nice-Sophia Antipolis University of a methodological research project of the MIA INRA Dpt. : "Approche Statistique de la Dynamique des Systemes Microbiologiques, et Applications a la Maitrise des Risques Alimentaires" (2006).
- Leader of the Action de recherche collaborative INRIA ARC EPS : Eco-microbiologie prévisonnelle statistique (2009-2011)
