Where you might have seen me

2019, 2 Jun - 7 Jul:
I was in Warsaw for the Simons Semester "Geometric and Analytic Group Theory"
2018, 18-31 Mar
and 10-29 Sep:
I was in Orsay, visiting Pierre Pansu
2017, 3 Jan - 23 Jun:
I was in Cambridge (UK) for the INI Programme "Non-positive curvature group actions and cohomology'"
2016, 15 Aug - 16 Dec:
I was in Berkeley for the MSRI Semester "Geometric Group Theory"

Conferences I have been to