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Scientific Council

The Scientific Council proposes to the Administration Board the main scientific axes of the Observatoire de Paris for teaching and research, as well the main lines of the recruitment policy.

Composition of the Scientific Council

Its composition is determined by the decree establishing the Observatory’s bylaws (Decree 85-715, Article 7):

President of the Paris Observatory

  • Philippe Stée

Vice President of the Scientific Council

  • Kevin Belkacem (elected at the Scientific Council meeting on March 20–21, upon the President’s recommendation)

Members elected by College A

  • Yann CLENET
  • Baptiste CECCONI
  • Marie-Lise DUBERNET
  • Athéna COUSTENIS

Members elected by College B

  • Léa GRITON
  • Corentin LOUIS
  • Laïa CASAMIQUELA
  • Caroline LIM

Members elected by College C

  • Corinne DAUBAS
  • François TARIS
  • Pernelle BERNARDI
  • Guillaume LOIRE

Member elected by College D (users)

  • Baptiste LE NAGAT

Vice Chair of the Board of Directors

  • François Dulieu

External Experts

Two qualified external experts, appointed by the elected members of the Scientific Council (Scientific Council meeting of January 9, 2026)

  • Sophie HENROT-VERSILLE, Research Director – CNRS – IJCLab
  • Gilles METRIS, Astronomer – GéoAzur–OCA

Four members appointed (Colleges A & B) by the HCS upon the recommendation of the President

  • Kevin BELKACEM
  • Mathieu LANGER
  • Arno VANTHIEGHEM
  • Bess FANG

Representatives

Elected at the Scientific Council meeting on March 20 and 21

For the High Scientific Committee:

  • Sophie Henrot-Versille

For the Training and Education Unit (UFE) Council:

  • Léa Griton
  • Baptiste le Nagat

For the Council for Open Research and Collections of the Paris Observatory (CROCO):

  • Caroline Lim

For the Digital Commission:

  • Arno Vantieghem

For the Observation Services Council:

  • Corentin Louis
  • Laïa Casamiquela
  • Bess Fang

For the Instrumental Programming and Coordination Committee:

  • Yann Clénet

For the Strategic Steering Committee of the Nançay Scientific Unit:

  • Guillaume Loire

For the Ecological Transition Commission:

  • François Taris

For the Heritage Council:

  • Corinne Daubas

Chair of Croco (Council for Open Research and the Observatory’s Collections):

  • Baptiste Cecconi

Chair of the CNO (Observatory’s Digital Commission):

  • Fabrice Roy

Chair of the CSO (Open Science Commission):

  • Bess Fang

Translated with DeepL.com (free version)

Updated on 18 June 2026
Organization of the institution