John Lizza (A.B., M.A., Ph.D., Columbia University) is a Professor of Philosophy at Kutztown University of Pennsylvania. His main philosophical interests are in bioethics, metaphysics, and philosophy of mind, particularly issues concerning persons and personal identity. His research has focused on the role that the concepts of humanity and personhood play in the analysis and evaluation of issues in bioethics, such as the moral status of the human embryo and the definition of death. He is the author of Persons, Humanity, and the Definition of Death (Johns Hopkins University Press, 2006) and the editor of Potentiality: Metaphysical and Bioethical Dimensions (Johns Hopkins University Press, 2014) and Defining the Beginning and End of Life: Readings on Personal Identity and Bioethics (Johns Hopkins University Press, 2009). He was Chair of the Committee for Philosophy and Medicine of the American Philosophical Association from 2007 to 2010 and an Adjunct Associate of the Hastings Center from 1993 to 2008. As a Visiting Fellow at the Neubauer Collegium, he is writing a book on the definition and determination of death and collaborating on the Death: From Philosophy to Medical Practice and the Law project.