July 1 - 31, 2003 I.H.E.S. , France.
August 1 - 15, 2003 Poisson Geometry and Moment Maps: Alanfest at the Erwin Schodinger International Institute of Mathematical Physics, Vienna, Austria.
April 18 - 24, 2004, Conference on cohomological aspects of Hamiltonian group actions and toric varieties, Oberwolfach, Germany.
June 7 - 11, 2004, Poisson 2004 at Centre Universitaire de Luxembourg
July 5 - 12, 2004, Conference on quantum groups at Technion -- I.I.T, Haifa, Israel.
June 29 - July 6, 2005, Lie Groups: from Topology to Arithmetic, in memory of Armand Borel Forschungsinstitut fur Mathematik, ETH Zurich, and the Section de Mathematiques, University of Geneva.
July 9 - July 22, 2005, Summer School and Conference on Poisson Geometry, at The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy.
June 5 - 9, 2006, Poisson 2006, National Olympics Memorial Youth Center , Tokyo, Japan.