Faculty and Staff






TIMOTHY CLEVELAND, Professor and (suffering) Department Head (Ph.D., The Johns Hopkins University, 1986). Dr. Cleveland’s research interests include the philosophy of mind, contemporary metaphysics, philosophy of language, and philosophy of logic. As well as teaching courses in these areas of specialization he also teaches courses on philosophy of mathematics and philosophy and literature. Office: Breland Hall 318, (575) 646-4444, Email /Homepage

Image of Lori Keleher






LORI KELEHER, Associate Professor (Ph.D., University of Maryland, 2007).  Dr. Keleher’s main research interests include ethics and moral philosophy with a special interest in international ethics and economic development.  She also teaches courses in ancient philosophy, medieval philosophy, and philosophy and feminism.  Office: Breland Hall 320, Email  Website


JUSTIN KLOCKSIEM, Assistant Professor (Ph.D. University of Massachusetts-Amherst, 2009). Dr. Klocksiem’s research interests include value theory, normative ethics, and meta-ethics, with secondary interests in political philosophy and the nature of justice. In particular, he is interested in issues dealing with the nature of moral value, the computation of amounts of value, and the possibility of comparisons between different valuable things. He also teaches courses in applied ethics, philosophy of law, and metaphysics. Email Website

Image of Jennifer Noonan







JENNIFER NOONAN, College Associate Professor, (Ph.D., Massachussetts Institute of Technology, 1998). Dr. Noonan’s research interests include metaphysics the philosophy of the cognitive sciences and the philosophy of language. She also teaches courses in feminism and the history of 20th Century philosophy. Email

Image of Jean-Paul Vessel







JEAN-PAUL VESSEL, Associate Professor (Ph.D., University of Massachusetts-Amherst, 2003). Dr. Vessel’s research interests include moral philosophy, metaethics, philosophy of language and metaphysics. He is especially interested in the conceptual overlap between ethics and philosophy of language. Office: Breland Hall 324, (575) 646-2871, EmailHome Page

Image of Mayra Valadez





MAYRA VALADEZ, College Assistant Professor, (Ph.D., Arizona State University, 2012). Dr. Valadez’s research interests include moral psychology, metaethics, and ethical theory. She is especially interested in how empirical findings in psychology may help to inform normative ethical theory. Professor Valadez teaches primarily at DAAC.  Email: valadez@nmsu.edu Homepage

Image of Mark Walker





MARK WALKER, Associate Professor, The Richard L. Hedden Endowed Chair (Ph.D., Australian National University, 1994). Dr. Walker’s teaching and research interests include ethics, epistemology, philosophy of religion and philosophy of science. His current primary research interest is in ethical issues arising out of emerging technologies, e.g., genetic engineering, advanced pharmacology, artificial intelligence research and nanotechnology Office: Breland Hall 322, (575) 646-5444.EmailHome Page


RICHARD KETCHUM, Professor Emeritus (Ph.D., University of Pennsylvania) Dr. Ketchum’s specializations include Plato, Presocratics, and Epistemology.

PAUL T. SAGAL, Professor Emeritus (Ph.D., University of Pennsylvania) Dr. Sagal’s interests are in Analytic Philosophy, History of Philosophy, and Medieval Philosophy.

Danny “Quitter” Scoccia, Professor Emeritus, (Ph.D. University of California at San Diego). Dr. Scoccia’s interests include ethical theory, philosophy of law and social and political philosophy.

Philosophy Staff

The Null Set