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- Professor in the Department of Sociology
- Faculty Director of the Duke Network Analysis Center (DNAC)
- Faculty Research Scholar of DuPRI's Population Research Center
- Associate Professor in the School of Nursing
- Associate Research Professor of Global Health
- Assistant Professor of Political Science
- Affiliate of the Duke Center for International Development
- Gosnell Family Professor in Global Health
- Professor in the Department of Evolutionary Anthropology
- Research Professor of Global Health
- Professor Emeritus of Sociology
- Professor of Global Environmental Health
- Research Professor of Global Health
- Faculty Research Scholar of DuPRI's Population Research Center
- Assistant Professor in Population Health Sciences
- Affiliate, Duke Global Health Institute
- McLain Foundation Associate Professor of Public Policy
- Associate Professor in the Sanford School of Public Policy
- Associate Dean for Inclusive Academic Excellence in the Sanford School of Public Policy
- Jerry G. and Patricia Crawford Hubbard Professor of Evolutionary Anthropology
- Professor of Evolutionary Anthropology
- Associate Research Professor of Global Health