 His positions of leadership include President of the American Psychological Society (now the Association for Psychological Science); President of the Western Psychological Association; Chair of the Psychonomic Society; Chair of the Society of Experimental Psychologists; and Chair of the Council of Editors of the American Psychological Association (APA).He is currently Chair of the Council of Graduate Departments of Psychology.He is a fellow of the Society of Experimental Psychologists, the Society for Experimental Psychology and Cognitive Science, and the James McKeen Cattell Fellow of the American Psychological Society (now the Association for Psychological Science).