?Jason T. Eberl, Ph.D. is the Hubert Mäder Chair in Bioethics, Professor of Philosophy, and Director of the Albert Gnaegi Center for Bioethics at Saint Louis University. His research interests include the philosophy of human nature and its application to issues at the margins of life; ethical issues related to end-of-life care, biotechnology, and healthcare allocation; and the philosophical thought of Thomas Aquinas. He is the author of Thomistic Principles and Bioethics, The Routledge Guidebook to Aquinas’ Summa Theologiae, and The Nature of Human Persons: Metaphysics and Bioethics, as well as editor of Contemporary Controversies in Catholic Bioethics. He has published articles in Annals of Internal Medicine, CHEST, Journal of Hospice and Palliative Medicine, National Catholic Bioethics Quarterly, The Linacre Quarterly, Health Care Ethics USA, Health Progress, Journal of Medicine and Philosophy, Christian Bioethics, Theoretical Medicine and Bioethics, American Journal of Bioethics, and Bioethics.