2010 -2015: Director of Inria Saclay Research Center (550 people, 31 research groups),
2000 - 2010: Head of IMEDIA research group at INRIA Paris-Rocquencourt. Research activities focus on "Visual Information Retrieval" demonstrated through IKONA search engine software.
Scientific coordinator of 3 european projects: Network of Excellence "Muscle": Multimedia Understanding through Semantics, Computation and Learning (42 partners); Integrated project "Vitalas": Video & image Indexing and Retrieval in the Large Scale (13 partners); Coordination Action "Chorus": Audio-Visual Search Engines (13 partners).
Scientific co-Head of PlantNet Flagship Project: http://www.plantnet-project.org/