Appointments

8/97-present Project Leader and Senior Scientist (7/99-present) , Geophysical Statistics Project, National Center for Atmospheric Research, Boulder, CO.
7/83-6/99 Assistant (7/83-6/89), Associate (7/89-6/94) and Full Professor (7/94-6/99), Department of Statistics North Carolina State University, Raleigh, NC
1/94-present Senior Fellow, National Institute of Statistical Sciences, Research Triangle Park, NC