1. Clinical associate professor in the Department of Obstetrics & Gynecology at the University of North Carolina at Chapel Hill
2. Head of the Clinical Center Department of Bioethics at the National Institutes of Health
3. Professor of philosophy at The Kennedy Institute of Ethics
4. Research scientist at the Center for Bioethics in the Department of Social Medicine at the School of Medicine at the University of North Carolina at Chapel Hill
5. Research associate at Yale University and research consultant at CHER Solutions
6. Independent research assistant
7. Professor in the Department of Social Medicine at the Center for Bioethics at the University of North Carolina at Chapel Hill