Collective responsabilities


Running Projects

  • NODES – Digital Observatory of Disinformation
  • Le Politoscope, projet ISC-PIF, 2016 –
  • Multi-level modeling of differentiation processes and social dynamics: opinions, norms and values, PhD : Chiara Giaquinta. CNRS MITI in collaboration with Laura Hernandez. 2023-2026.
  • Gargantext, Multi-partner projet, Scientific Coordinator (2013 -).
  • Mapping Covid-19 Research, in collaboration with APHP and CRESS (Isabelle Boutron and Philippe Ravaud)
  • CultureLab, PSL, member du consortium, external partner.

Collective Responsabilities

  • Director of the Complex Systems Institute of Paris Ile-de-France
  • Member of the Executive Committee of the French Local Chapter of the Complex Systems Society & of the Société Française des Systèmes Complexes
  • Member of the Complex Systems PhD award committee of the Société Française des Systèmes Complexes CSS/France
  • Member of the Organizing Commitee of SunBelt 2025, Paris
  • Member of the scientific committee of INA

Past responsabilities

Past projects

  • X-Risk (2020-2023), Projet CNRS International, In collaboration with Luke Kemp (Cambridge, CSER, UK). PhD : Arsène Pierrot.
  • Mapping Economics (Leader : Sciences-Po), 2019 – 2021, In collaboration with Paulo Serodio (Barcelona University) and Emmanuel Lazega (Sciences-Po Paris),
  • MOSCCOW (2019-2022), Projet 80 PRIME CNRS (2019-2022) In collaboration with avec Boris Borzic, ETIS – CY Cergy Paris Université. PhD : Victor Chomel.
  • Epique (ANR, WP leader, 2016-2021), Reconstruction of large scale Phylomemies
  • FuturICT 2.0 (ANR, WP Leader for ISC-PIF & CAMS, 2016-2021), European Consortium, ICT and Society
  • 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
  • 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

  • Coordinator of the DIM “Problématiques Transversales aux Systèmes Complexes” for the Region Île-de-France (scientific events, calls for projects and infrastructures), 2013-2023, ~10M€ .
  • Vice-President Secretary of the Complex Systems Society, 2011-2014
  • Deputy-director of the Complex Systems Institute of Paris Ile-de-France (2011-2013)


Scientific events

Teaching and dissemination

PhD supervision

  • Chiara Giaquinta (2023-2026) Modélisation multi-niveaux des processus de différentiation et des dynamiques sociales : opinions, normes et valeurs
  • Paul Bouchaud (2022-2025), Études des dynamiques sociales en ligne.
  • Arsène Pierrot (2020-2023), Understanding and modelling Existential risks, Projet CNRS International (2020-2023), In collaboration with Luke Kemp (Cambridge, CSER, UK).
  • Victor Chomel (2019-2022), Fake news and information manipulation: modeling community dynamics and the propagation of false information (images, video, text…) on social networks (2019-2022), Projet 80 PRIME CNRS (2019-2022) In collaboration with avec Boris Borzic, ETIS – CY Cergy Paris Université.


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”, 2018-..
  • 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.