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- J. Alexander McMahon Distinguished Professor Emeritus of Health Policy and Management
- Professor Emeritus of Economics
- Core Faculty Member, Duke-Margolis Institute for Health Policy
- Research Professor in the Social Science Research Institute
- Co-Director of the Biodemography of Aging Research Unit within DUPRI
- Faculty Research Scholar of DuPRI's Center for Population Health & Aging
- Teaching Assistant
- Teaching Assistant
- Associate Professor of Sociology
- Faculty Research Scholar of DuPRI's Population Research Center
- Norb F. Schaefer Distinguished Professor of International Studies in Trinity College of Arts and Sciences
- Professor of Economics
- Professor of Public Policy Studies
- Visiting Professor of Evolutionary Anthropology
- Associate Professor of Biology
- Affiliate of the Duke Initiative for Science & Society
- Research Professor in the Social Science Research Institute
- Member of the Duke Cancer Institute
- Professor of Sociology
- Co-Director of the Worldview Lab in the Kenan Institute for Ethics
- Director of Graduate Studies in the Department of Sociology
