David R. Evans is Professor Emeritus at the University of Western Ontario, where he was a member of the Clinical Psychology
Program for 30 years. Over the years he has been a consultant to numerous agencies, including hospitals, adolescent facilities, addiction facilities, and police services. He holds a PhD in Applied Psychology from the University of Toronto. He has twice been a Visiting Scholar at Wolfson College, Cambridge. He is a past President and Fellow of the Canadian Psychological Association, and a past President of the Ontario Psychological Association. He has been a member of the Council of Representatives of the American Psychological Association, and a representative to the International Union of Psychological Science. He is the author of numerous books, chapters, journal articles, tests, and professional presentations. He has presented papers on quality of life on three continents.

His most recent books include Essential Interviewing, 6th Ed. (Brooks/Cole) with Margaret Hearn, Max Uhlemann, and Allen Ivey, and Cultural Clinical Psychology (Oxford University Press) and the Handbook of Clinical Health Psychology (Academic Press) both with Shahé Kazarian. With Craig Macmillan, he is the co-author of Ethical Reasoning in Policing, Corrections, and Security, 2nd Edition (Emond Montgomery).