1. Associate Director, Westat Inc., Rockville, MD, United States.
2. Senior Study Director, Westat Inc., Rockville, MD, United States.
3. Director, Tobacco Regulatory Science Program, Office of Disease Prevention, National Institutes of Health, Bethesda, MD, United States.
4. Chief of Evaluation Branch, Office of Science, Center for Tobacco Products, U.S. Food and Drug Administration, Silver Spring, MD, United States.
5. Lead Research Associate, Westat Inc., Rockville, MD, United States.
6. Program Director, Tobacco Control Branch, National Cancer Institute, Bethesda, MD, United States.
7. Program Analyst, Office of Science, Center for Tobacco Products, U. S. Food and Drug Administration, Silver Spring, MD, United States.
8. Vice President, Westat Inc., Rockville, MD, United States.
9. Senior Public Health Analyst, Office of Disease Prevention, National Institutes of Health, Bethesda, MD, United States.