Garth L. Hallett, S.J. (Ph.D., Gregorian, 1964) is Dean of the College of Philosophy and Letters. His areas of interest are Wittgenstein, Philosophy of Language, ethics, and God.

His significant pulications include:

• Identity and Mystery in Themes of Christian Faith (2004)
• A Middle Way to God (2000)
• Priorities and Christian Ethics (1998)
• Greater Good: The Case for Proportionalism (Georgetown, 1995)
• Essentialism: A Wittgensteinian Critique (SUNY, 1991)
• Christian Neighbor-Love: An Assessment of Six Rival Versions (Georgetown, 1989)
• Language and Truth (Yale, 1988)
• Christian Moral Reasoning: An Analytic Guide (Notre Dame, 1983)
• A Companion to Wittgenstein's "Philosophical Investigations" (Cornell, 1977)
• Wittgenstein's Definition of Meaning as Use (Fordham, 1967);.