Kibeom Lee is a professor of psychology at the University of Calgary. Originally from Seoul, South Korea, he received his Ph.D. from the University of Western Ontario and was formerly a lecturer at the University of Western Australia. He is the author of many scientific articles in personality and industrial/organizational psychology.

Michael C. Ashton is a professor of psychology at Brock University in St. Catharines, Ontario. He received his Ph.D. from the University of Western Ontario. He is the author of the textbook Individual Differences and Personality and of many scientific articles in personality psychology.