Lizza’s main philosophical interests are in bioethics, metaphysics, and
philosophy of mind. He is particularly interested in persons and personal
identity, and how these concepts affect the analysis and evaluation of
issues in bioethics, such as the moral status of the human embryo and the
definition of death. He teaches a variety of courses, including Medical
Ethics, Metaphysics, Philosophy of Mind, Philosophical Aspects of Death and
Dying, Persons, Life and Death, Human Love and Sexual Morality, Ethical
Issues in Medicine and Biology, and Critical Thinking.
books, Persons, Humanity, and the Definition of Death (2006) and Defining the Beginning and End of Life: Readings on Personal Identity and
Bioethics (2009), were published by The Johns Hopkins University Press.
He is currently working on a manuscript on the nature and ethical
significance of potentiality, and has prepared for publication an anthology
entitled Potentiality: Metaphysical and Bioethical Dimensions. Other
publications include: “Potentiality and Human Embryos” Bioethics
(2007); “Potentiality, Irreversibility, and Death” The Journal of
Medicine and Philosophy (2005); “Defining Death for Persons and Human
Organisms” Theoretical Medicine and Bioethics (1999); “Persons and
Death: What’s Metaphysically Wrong with Our Current Statutory Definition of
Death?” The Journal of Medicine and Philosophy (1993); and “Multiple
Personality and Personal Identity Revisited” The British Journal for the
Philosophy of Science (1993).
He has been a member of the
Ethics Committee at Lehigh Valley Hospital in Allentown, PA, since 1993. He was
an Adjunct Associate of The Hastings Center from 1993-2008 and
Chair of the Committee on Philosophy and Medicine of the American
Philosophical Association from 2007-2010.