Education and Professional Experiences



I received a Ph.D. degree in Statistics in 1995 from the University of Washington in Seattle under the supervision of Professor Elizabeth Thompson. I worked as a research associate biostatistician in the Section of Biostatistics at the Mayo Clinic in Minnesota for three years. I then joined the Rowe Program in Human Genetics at the University of California at Davis School of Medicine in the fall of 1998 as an Assistant Professor and was promoted to Associate Professor with tenure in 2001. I joined the University of Pennsylvania as a Professor of Biostatistics with tenure in May 2005. From April to June and also August 2004 I was a Visiting Associate Professor in the Department of Statsitics at Stanford University. From September 2011 to now, I am also a Professor of Statistics with a secondary appointment in the Department of Statistics at the Wharton School of the University of Pennsylvania.

I am an elected Fellow of the American Statistical Association, elected Fellow of the Institute of Mathematical Statistics and elected member of the International Statistical Institute.