|2005 -||Professor, Department of Mathematics, University of Wisconsin-Madison.|
|2001 - 2005||Associate Professor, Department of Mathematics, University of Wisconsin-Madison.|
|1999 - 2001||Associate Professor, Department of Mathematics, Iowa State University.|
|1995 - 1999||Assistant Professor, Department of Mathematics, Iowa State University.|
|1994 - 1995||Postdoctoral Fellow, Mittag-Leffler Institute, Sweden.|
|1993 - 1994||Postdoctoral Member, Institute for Mathematics and Its Applications, University of Minnesota.|
|1991 - 1993||Instructor, Department of Mathematics, The Ohio State University.|
2000 Prix Institut Henri Poincaré-Gauthier Villars for an article in the journal Annales de l'Institut Henri Poincaré.
2010 Elected Fellow of the Institute of Mathematical Statistics.
2011 Van Vleck Research Prize, University of Wisconsin-Madison Department of Mathematics.
2014 Institute of Mathematical Statistics Medallion Lecturer.
2014 Invited speaker at the International Congress of Mathematicians in Seoul.
2015 Vilas Faculty Mid-Career Investigator Award, University of Wisconsin-Madison.
2015-2016 Simons Fellow in Mathematics.
2016 Named John and Abigail Van Vleck Chair of Mathematics, University of Wisconsin-Madison.
2017 Fellow of the American Mathematical Society, Class of 2018.