- John Franklin Crowell Distinguished Professor Emeritus of Sociology
- Professor Emeritus in the Department of Sociology
- Co-Director of the Biodemography of Aging Research Unit within DUPRI
- Research Professor in the Sanford School of Public Policy
- Director of the Center for Child and Family Policy
- Professor in the Department of Sociology
- Associate Director of the Duke Population Research Institute
- Director of the Duke Center for Population Health and Aging (CPHA)