Christopher R. Whipple is an Assistant Professor of Psychology at Penn State Harrisburg. Dr. Whipple earned his Ph.D. in community psychology from DePaul University. He previously worked as a project director for an NIH-funded grant to develop, implement, and evaluate a culturally-adapted violence and suicide prevention program for urban African American adolescents. His research focuses on (1) exposure to community violence among African American adolescents, (2) adolescent involvement in the juvenile justice system, and (3) developing and testing preventive interventions to reduce violence and associated outcomes. He is particularly interested in the use of community-based participatory research methods to develop efficacious preventive interventions.