Christopher O. Tollefsen is Professor of Philosophy at the University of South Carolina. His areas of specialization include moral philosophy and practical ethics. Currently he is doing work in natural law ethics, liberal perfectionism, medical ethics, the ethics and politics of inquiry, philosophical embryology, the nature of human action, end of life issues, and ethics and education. He has published extensively in academic journals on topics of bioethics, meta-ethics, and the New Natural Law Theory. A graduate of Saint Anselm College in New Hampshire, he holds a doctorate in philosophy from Emory University.

Embryo: A Defense of Human Life (2008)
Biomedical Research and Beyond: Expanding the Ethics of Inquiry (2007)