Fall 2013 office hours: Monday 1:00-2:00 pm, Wednesday, Friday, 2:00-3:00 pm.
Office: AP+M 7444
Current Developments in Mathematics lecture slides.
AMS Riverside Plenary talk, November 2013.
Cluster algebra talk.
Here's a link to my Papers on the ArXiv.
Note: I am now a professor at the University of Cambridge.