Marc A. Zimmerman, Ph.D. is professor and former Chair in the Department of Health Behavior and Health Education in the School of Public Health, and a professor of Psychology and the Combined Program in Education and Psychology all at the University of Michigan. He received his Ph.D. in Psychology from University of Illinois. Dr. Zimmerman is the Director of the Centers for Disease Control funded Michigan Youth Violence Prevention Center, Principal Investigator (PI) for the NIH funded Flint Adolescent Study, and PI for the NIH funded Youth Empowerment Solutions project. Dr. Zimmerman is also the Editor of Youth & Society. He has published over 200 articles and book chapters on a wide variety of topics on adolescent development including mental health, violence, substance abuse and empowerment. His research focuses on adolescent health and resiliency and the application of empowerment theory.