April 2011 Boston College Randomness in Number Theory
April 2011 Harvard University Harvard Topology Conference
May 2011 Columbia University Integrable Systems
in honor of Igor Krichever
May 2011 Institute for Advanced Study Sheaf Theory in Symplectic Geometry
May 2011 Harvard University Clay Research Conference
April 2012 Institute for Advanced Study Helmut Hofer
Eight Lectures on Polyfolds
May 2012 Princeton University Panorama of Topology
in honor of William Browder
May 2012 CUNY Graduate Center Arithmetic Geometry on the occasion of
the 70th birthday of Lucien Szpiro
May 2012 Princeton NJ Princeton Snapshots 2011-2012