• Associate professor (with tenure), School of Statistics, University of Minnesota, 2009--present.
• Assistant professor (tenure track), School of Statistics, University of Minnesota, 2003--2009.
• Ph.D. in Statistics,  Penn State University, 2003.
• M.S.  in Statistics,  Penn State University,  2000.
• B.S.   in Applied Mathematics, Tsinghua University, Beijing, China, 1998.