Skip to main content

Ryan Shields, PhD.


Ryan Shields, Ph.D., is an assistant professor in the School of Criminology and Justice Studies at the University of Massachusetts Lowell. Prior to joining UMASS Lowell, he was an assistant scientist and the Associate Director of the Moore Center for the Prevention of Child Sexual Abuse at the Johns Hopkins Bloomberg School of Public Health. His research is primarily centered on the intersection of criminal justice and public health. He studies child sexual abuse, sexual abuse prevention, and sex crime policy. His research typically focuses on youths and young adults with problem sexual behavior. He is one of the co-developers of the Help Wanted Prevention Intervention.