Program Chair, 1994 Regional Institue of Mathematical Statistics Meetings, Birmingham, AL.
Member and Chair, Scientific Advisory Panel, Center for Integrating Statistics and Environmental Sciences, Univerisity of Chicago. (2003- present)
Member, Committee on Applied and Theoretical Statistics (CATS), Board on Mathematical Sciences, The National Academies. (2002 - ).
Associate Editor
Technometrics (1995-1998)
Journal of Nonparametric Statistics (1991-1995)
Journal of the Royal Statistical Society Series B (1992-1994)
International Statistical Review (1992-1994)
Statistical Science (1999-2003)
Journal of the American Statistical Association (2005 - )
Reviewer
National Science Foundation, mail reviewer and panelist
American Statistician,
Annals of Statistics,
Biometrics,
Econometrics,
Journal of Climate,
Journal of the American Statistical Association,
Journal of Microscopy,
Letters in Statistics,
The Institute of Statistical Mathematics,
Nature,
Technometrics
Memberships,
American Statistical Association,
Institute of Mathematical Statistics,
International Statistical Institute,
Royal Statistical Society