Research Areas

Causal inference in experiments and observational studies.

Inference in sample surveys with nonresponse and in missing data problems.

Application of Bayesian and empirical Bayesian techniques.

Developing and applying statistical models to data in a variety of scientific disciplines.

Educational Background

1970: Ph.D. in Statistics - Harvard University

1966: M.A. in Computer Science - Harvard University

1965: A.B. in Psychology - Princeton University

Work Experience

· 1984 - 2018: Professor, Department of Statistics, Harvard University (retired)

· 1985 - 1994, 2000 - 2004: Chairman, Department of Statistics, Harvard University

· 1999 - 2001: Fellow in Theoretical and Applied Statistics, National Bureau of Economic Research, Cambridge, MA

· 1983 - present: Research Associate, NORC, Chicago1982 - 1984: Professor, Department of Statistics and Department of Education, The University of Chicago