Faculty and Staff

TIMOTHY CLEVELAND, Professor (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

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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

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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

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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

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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. Besides teaching at NMSU, she also teaches part-time for Arizona State University. Office: Breland Hall, rm. 334. Email: valadez@nmsu.edu Homepage

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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) 646-2801,.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 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

DIANE ZELLMER , Department Secretary