J. Thomas Dalby PhD, R. Psych, ABN has been a forensic psychologist for thirty-eight years and has been a Diplomate of the American Board of Professional Neuropsychology since 1984. He is a Professor (Adjunct) in the Department of Psychology at the University of Calgary and was also a member of the Faculty of Medicine at this university for twenty-six years. He has held a continuous appointment with Athabasca University since 1977. He was formerly administrative head of psychology departments at two Calgary hospitals. Dr. Dalby is a Fellow of the Canadian Psychological Association, and in 2013 received the highest honour for professional psychologists in Canada—CPA award for Distinguished Contributions to Psychology as a Profession. He also is a recipient of the Dick Pettifor Memorial Award for exceptional career achievements from the Psychologists Association of Alberta. He has published over a hundred professional books, chapters and articles in medical, psychological and legal forums. He has conducted over fourteen-thousand forensic evaluations and provided courtroom testimony on over nine hundred occasions. His clients have included the National Hockey League, the United Nations, and police services, insurance companies, and law firms across North America.