John Z. Sadler, M.D. is currently a Professor of Psychiatry and Clinical Sciences and the Daniel W. Foster, M.D. Professor of Medical Ethics at The University of Texas Southwestern Medical Center in Dallas, Texas. Dr. Sadler directs the Division of Ethics in the Department of Psychiatry and the Program in Ethics in Science and Medicine institution-wide. During his career at UT Southwestern, Dr. Sadler has provided clinical ethics consultation for 25 years and research ethics consultation for eight years. He is a co-editor of The Oxford Handbook of Philosophy and Psychiatry (2013), co-editor, with K.W.M Fulford, of the journal Philosophy, Psychiatry, & Psychology (Johns Hopkins University Press), coauthor with Jennifer Radden of The Virtuous Psychiatrist (OUP, 2010) and author of Values and Psychiatric Diagnosis (OUP 2005). Werdie (C.W.) van Staden is Nelson Mandela Professor of Philosophy and Psychiatry at the University of Pretoria, South Africa, with a clinical psychiatry attachment at Weskoppies Hospital. He serves as editor-in-chief of the South African Journal of Psychiatry; and editor for Philosophy Psychiatry & Psychology; Philosophy, Ethics and Humanities in Medicine; and the International Journal of Person Centered Medicine. He is chairperson of the Faculty of Health Sciences Research Ethics Committee (IRB). He founded and directs postgraduate programmes in Philosophy & Ethics of Mental Health, chairs the committee for residency training in psychiatry, provides clinical training in general adult psychiatry for medical students and psychiatrists, and directs the health ethics training in the School of Medicine. KWM (Bill) Fulford is a Fellow of St Catherine's College and Member of the Philosophy Faculty, University of Oxford; and Emeritus Professor of Philosophy and Mental Health, University of Warwick Medical School. His previous posts include Honorary Consultant Psychiatrist, University of Oxford, and Special Adviser for Values-Based Practice in the Department of Health, UK. Bill has led on a number of key academic and administrative developments in the philosophy of psychiatry and has published widely in this field, including Moral Theory and Medical Practice, co-author of The Oxford Textbook of Philosophy and Psychiatry, and Lead editor of The Oxford Handbook of Philosophy and Psychiatry. He is Lead Editor for the Oxford book series International Perspectives in Philosophy and Psychiatry and Founder Editor with John Sadler of the international journal Philosophy, Psychiatry, & Psychology (PPP).