Finite dimensional approximations of discrete groups, 2011, Oberwolfach, Germany. NEW!

Affine isometric actions of discrete groups, June 28 - July 3, 2009, Ascona, Switzerland.

Analytic properties of infinite groups, 2008, Geneva, Switzerland.

Linearization of graphs and groups, 2007, Lausanne, Switzerland.

Combinatorial and Geometric Group Theory, 2006, Vanderbilt, USA.

Asymptotic and Probabilistic Methods in Geometric Group Theory, 2005, Geneva, Switzerland. 

Invariants of quasi-isometries, 2004, Diablerets, Switzerland.