1 Faculty affiliate at the Center for Bioethics and Humanities at the University of Colorado School of Medicine on the Anschutz Medical Campus in Aurora.
2 Professor emeritus of ecology and evolutionary biology at the University of Colorado Boulder.
3 Professor in the Department of Internal Medicine at the University of New Mexico School of Medicine in Albuquerque.
4 Emerita professor of biological anthropology at William & Mary and a freelance science writer.
5 Philosopher, bioethicist, and ethics consultant at State University of New York Upstate Medical University in Syracuse.