Class of 1965 Wharton Professor of Statistics, Department of Statistics, The Wharton
University of Pennsylvania.
Associate Scholar, Biostatistics Unit, Center for Clinical
Epidemiology and Biostatistics, University of Pennsylvania School of
Senior Fellow, Leonard Davis Institute of Health Economics.
Design and analysis of observational studies; design and analysis of
Applications of statistics to public health, medicine and public
Editor, Observational Studies.
Associate Editor, Annals of Statistics
Associate Editor, Journal of the American Statistical Association
Associate Editor, Journal of Causal Inference.
Associate Editor, Journal of Educational and Behavioral
Associate Editor, The American Statistician.
Ph.D., Statistics, Stanford University, 2002.
A.B., Mathematics, Harvard University, 1997.