Employment
2002-	Florida State University: Professor, Department of Statistics. 2005-2011 Chair, Department of Statistics.
2000-2002	Medical University of South Carolina: Professor, Department of Biometry and Epidemiology. Director of the Collaborative Unit.
1992-2000	Loyola University Chicago, Stritch School of Medicine: Professor & Head Section of Biostatistics, Department of Preventive Medicine and Epidemiology.
1988-1992	University of Arizona, Tucson, Arizona: Associate Professor (with tenure), Department of Radiation Oncology & Director of Biostatistics, Arizona Cancer Center.
1971-1988	U.S. Public Health Service, Commissioned Officer, Retired 1988, Scientist Director, O-6.
	Selected Duties in the USPHS
1986-1988	Chief, Biometry Branch, Division of Injury Epidemiology and Control, Center for Environmental Health, Centers for Disease Control, Atlanta, Georgia.
1984-1986	Senior Statistician and Director, Agent Orange Projects, Center for Environmental Health, Centers for Disease Control, Atlanta, Georgia.
1972-1984	Mathematical statistician, National Heart, Lung, and Blood Institute, Bethesda, Maryland, Honolulu, Hawaii, and Framingham, Massachusetts.