John Z. Sadler, MD, is the Daniel W. Foster, MD Professor of Medical Ethics and a Professor of Psychiatry & Clinical Sciences at the University of Texas Southwestern Medical Center at Dallas. Dr. Sadler co-edits, with K. W. M. Fulford, the Johns Hopkins University Press journal Philosophy, Psychiatry, & Psychology, and with Fulford, Giovanni Stanghellini, and Katherine Morris, co-edits the Oxford University Press book series International Perspectives in Philosophy and Psychiatry. One of the founders of the Association for the Advancement of Philosophy and Psychiatry, Sadler is the organization’s Treasurer. Long fascinated by the philosophical and conceptual issues in psychiatric diagnosis, Sadler is the author of Values and Psychiatric Diagnosis (Oxford University Press, 2005), editor of Descriptions and Prescriptions: Values, Mental Disorders, and the DSMs (Johns Hopkins University Press, 2002), and co-edited (with Osborne Wiggins and Michael A. Schwartz) Philosophical Perspectives on Psychiatric Diagnostic Classification (Johns Hopkins University Press, 1994). His latest collaborative book (with Jennifer Radden, PhD) is The Virtuous Psychiatrist: Character Ethics in Psychiatric Practice (Oxford University Press, 2010).