Michael Sachs is a Professor in the Department of Kinesiology, College of Public Health, at Temple University, Philadelphia, PA. His bachelor’s degree in psychology is from Union College (NY), and he has two master’s degrees – one in general experimental psychology from Hollins College (VA) and one in counseling psychology from Loyola University (MD). He received his Ph.D. in sport psychology from Florida State University. Michael is associate editor of Psychology of Running and coeditor of Running as Therapy: An Integrated Approach, and co-wrote The Total Sports Experience for Kids: A Parents' Guide to Success in Youth Sports. He is a Co-Editor of the Directory of Graduate Programs in Applied Sport Psychology, in its 11th edition and published by AASP (the Association for Applied Sport Psychology). He has written or co-authored numerous book chapters, academic articles on various topics within exercise and sport psychology, and articles on the psychology of running in popular publications. His research interests focus upon exercise psychology, particularly motivation and adherence, excusercise, exercise addiction, and the psychology of running. Michael is a Past-President of both AASP and Division 47, the Society for Sport, Exercise and Performance Psychology, of the American Psychological Association (APA). He is a Certified Consultant, Association for Applied Sport Psychology. Michael enjoys exercising, particularly running and swimming, and has run two marathons.