External Expert for the European Commission, since 2019
Expertise for the GIP Massif Central, 2023
Expertise for the PNR du Pilat, 2022
Expertise for the Fondation pour la Recherche sur la Biodiversité, 2019
Expertise for UMS PatriNat (MNHN), 2017, 2021
USGS National Wildlife Health Center, 2013-2015
Every1Counts Project, 2024-...
Member of the GdR Ecostat (national research group on Statistical Ecology) - Animator of the theme on Citizen Science
Member of the CiSStat Group on Statistical Methods for Citizen Science data
Member of the Chaire Modélisation Mathématique et Biodiversité (MNHN/Ecole Polytechnique/Véolia)