Projects, organization of conferences and seminars :
- France-Berkeley project (UC Berkeley).
- ERC project : Consolidator Grant QAffine.
- Conference Twenty-five years of representation theory of quantum groups organized at Banff in 2011.
- Conference Loop spaces, loop groups and loop algebras organized at the CIRM in 2011.
- Conference Solstice (IMJ, 2009)
- Working seminar QuantX (E. Polytechnique, 2009-2010)
- Working seminar Interactions de structures de Lie (U. Versailles/IMJ, 2007 - 2008)
- Working seminar Approches et techniques en théorie des représentations (U. Versailles, 2006 - 2007)
- Working seminar Anneaux de caractères, algèbres de Hall et applications (U. Versailles, 2005 - 2006)