•  2011, March – May: Program on Discrete Analysis, Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom;

•  2010, September – December: Thematic Program on Asymptotic Geometric Analysis, Fields Institute, Toronto, ON, Canada;

• 2006, May – July: Trimester 2006: Phenomena in High Dimensions, Institute Henri Poincare,Paris, France;

• 2002, July–August: Thematic Programme on Asymptotic Geometric Analysis, PIMS at the University of British Columbia, Vancouver, BC, Canada;
  

• 1996, January – May: Program: Convex Geometry and Geometric Functional Analysis, MSRI, Berkeley, CA, USA;