| February 2002 | PhD at University of Munich (supported by DFG) | |
| 2002-2004 | University of California at Irvine | |
| 2004-2005 | Boise State University | |
| 2005-2006 | Université Paris 7 (supported by the French government) | |
| 2006-current | University of Toronto (partially supported by NSERC) |