Collective responsabilities


Running Projects

  • Epique (ANR, WP leader), Reconstruction of large scale Phylomemies
  • Forccast IDEFI project(FORmation par la Cartographie de Controverses à l’Analyse des Sciences et des Techniques), lab coordinator for partner CAMS/ISC-PIF. Leader : Sciences-Po
  • FuturICT 2.0 (ANR, WP Leader for ISC-PIF & CAMS), European Consortium, ICT and Society
  • Le Politoscope, projet ISC-PIF, 2016 –
  • Mapping Economics (Leader : Sciences-Po), 2019 – 2021
  • MOSCCOW, Projet 80 PRIME CNRS.
  • Gargantext, Multi-partner projet, Scientific Coordinator.

Collective Responsabilities

  • Director of the Complex Systems Institute of Paris Ile-de-France
  • Coordinator of the DIM “Problématiques Transversales aux Systèmes Complexes” for the Region Ile-de-France (scientific events, calls for projects and infrastructures).
  • Member of program committee of MARAMI 2020
  • Member of program committe of Ninth International Conference on Complex Networks & Their Applications
  • Co-Organizer of the 2020 French Complex Systems PhD Award
  • Invited Associate Editor of the Frontiers Science Research Topic “Coronavirus Research Landscape: Resources, Utilities, and Analytic Studies

Past responsabilities

Past projects

  • Algodiv (ANR 2016-2019), Labs coordinator, PI : Camille Roth,
  • Science en Poche (PI, 2014-2017), Projet Emergence(s), Mairie de Paris.
  • Installation Stalagmèmes (pas par force mais en tombant souvent),  Exposition Le Rêve des Formes, au Palais de Tokyo, juin-septembre 2017
  • Aresos (2013-2018): CNRS Mastodons project, coordinated by LIP6, Patrick Gallinari.
  • Knowescape COST action, (2013 – 2017), participant. Analyzing the dynamics of information and knowledge landscapes
  • Mapping Risk research (2015-2016) PI. Scientific collaboration with the Axa Research fund.
  • Algopol (ANR), participant. Leader CAMS/EHESS
  • DREAM (FP7) : workpackage leader.
  • eToile Cascade Ideas, Workpackage leader. Leader : Open University, UK
  • Streams of Media Issues: Approaches for the Monitoring of World Food Security, A project on media mining in collaboration with Global Pulse, United Nations.
  • Tools for INteractive Assessement of Projects Portfolio and visualization of Scientific Landscapes, (TINA) 2009-2011, SA, FP7. PI.
  • Webfluence (2009-2011): opinion dynamics in virtual arenas: topology, morphogenesis and diffusion.
  • ASSYST – Action for the Science of complex SYstems and socially intelligent icT, 2009-2012 FP7, WP leader.
  • PATTERN RESILIENCE, 2007-2010, WP leader. PATRES is a project supported by the New and Emerging Science and Technology programme of the sixth Framework Programme of the European Commission. It started on 1st February 2007 and continues for three years.
  • MOMA : Reconstruction of functionnal modules in biology from analysis of large scientific corpuses, winner of the ideas call 2007 of the Paris Ile-de-France Complex Systems Institute and Complex Systems National Networks [ Homepage of the project ]
  • MOUSSON Health, environment and pollution in Burkina Faso.

Past Collective Responsabilities

  • Vice-President Secretary of the Complex Systems Society, 2011-2014
  • Deputy-director of the Complex Systems Institute of Paris Ile-de-France (2011-2013)


  • Organizer of the ASSYST Roadmap workshop, jan. 28 2011.
  • Supervisor of the French and European complex systems roadmap (2009).
  • Complex Systems Brainstorming meeting,Paris 19-23 Sept. 2005, Comité local d’organisation.

Scientific events

Teaching and dissemination

PhD supervision

Victor Chomel, Fake news and information manipulation: modeling community dynamics and the propagation of false information (images, video, text…) on social networks (2019-2022)


As CNRS researcher, I don’t have mandatory courses. I give courses from time to time in masters or summer schools. Here are some examples :

  • Responsable du cours Action Publique et Big Data, Master ENPC “Action Publique”, 2020
  • Cours sur les Systèmes Complexes, Master Etudes Numériques et Innovations (NUMI), UPEM, 2018 & 2019.
  • MOOC “Des réseaux pour comprendre le monde“, Université Paris 1 Panthéon-Sorbonne , 2018 –
  • MOOC “Systèmes Complexes et Société Numérique“, 2017, MOOC Digital Paris
  • Responsable du module Action Publique et Big Data, Master ENPC “Action Publique”, 2017-2019
  • EHESS Seminar : Cognition sociale et évolution culturelle : quels modèles, quelles données, 2016.
  • Course on visualisation and big data, ENPC ParisTech, (2014 & 2015)
  • Sociology and Complex Systems Master Erasmus Mundus Complex Systems, École Polytechnique, Autumn 2012 (Responsable du module SHS)
  • Science Mapping, Escuela de verano Informatica : desafıos, herramientas y ciencia USM, Valparaiso, 11-13 jan. 2012
  • Tarde’s sociology and the modeling of social dynamics Master Erasmus Mundus Complex Systems, Ecole Polytechnique, Autumn 2011
  • Introduction to Complex Systems, Atelier thématique “IDEAS for Design, knowledge Engineering Applied to living complex Systems“, ISC-PIF 17 oct 2011.