Member of the Program Committee of the 22nd GRETSI Symposium on Signal and Image Processing, Dijon, September 8-9, 2009
Area Chair of the 17th European Signal Processing Conference, Glasgow, August 24-28, 2009
2009-2010: Member of the Scientific Committee in Information Sciences (CSD1) of the French research programs: ANR Blanc, ANR Jeunes Chercheur and ANR Blanc International
1999-2003: Member of the committee “Signal processing and associated integrated circuits” of the RNRT (French Network for Research in Telecommunications)
1999-2012: IEEE Senior Member
Member of the head scientific committee of the IEEE Time-Frequency and Time-Scale Symposium, Paris, June 18-21, 1996
1995-96: co-responsible (with P. Duvaut) for the group “Interpretations and decisions in nonstationary environments” of the GDR (French Research Groups) in Signal Processing
1993-1995: co-responsible (with P. Flandrin) for the group “Decisions using time-frequency and time-scale methods” of the GDR in Signal Processing