1. Principal Scientist, Surveillance and Health Services Research, American Cancer Society Atlanta GA
2. Scientific Director Scientist Surveillance and Health Services Research, American Cancer Society Atlanta GA
3. Scientist, Surveillance and Health Services Research, American Cancer Society Scientist Atlanta GA
4. Academic Clinical Fellow School of Public Health Imperial College London London United Kingdom
5. Senior Principal Scientist Surveillance and Health Services Research, American Cancer Society Atlanta GA
6. Senior Associate Scientist, Surveillance and Health Services Research, American Cancer Society Atlanta GA
7. Senior Principal Scientist Physical Activity and Nutrition Research, Economic and Health Policy Research Program Atlanta GA
8. Senior Vice President Behavioral and Epidemiology Research Group, American Cancer Society Atlanta GA
9. Senior Scientific Director Behavioral and Epidemiology Research Group American Cancer Society Atlanta GA
10. Professor, Departments of Epidemiology and Nutrition, Harvard T.H. Chan School of Public Health Boston MA
11. Scientific Vice President Surveillance and Health Services Research, American Cancer Society Atlanta GA