1. Senior Principal Scientist Surveillance and Health Services Research Program, American Cancer Society Atlanta GA
2. Scientific Vice President Surveillance and Health Services Research Program, American Cancer Society Atlanta GA
3. Scientific Director Surveillance and Health Services Research Program, American Cancer Society Atlanta GA
4. Chief Medical Officer (Interim) American Cancer Society Atlanta GA
5. Chief Cancer Control Officer American Cancer Society Atlanta GA
6. Director University of Maryland Greenebaum Comprehensive Cancer Center Baltimore MD
7. Chief Medical Officer (Former) American Cancer Society Atlanta GA