Dr. Ray, senior researcher at RTI International, is a sociologist who conducts research at the intersection of criminal-legal and health systems with a focus on overdose prevention through harm reduction strategies. Dr. Ray has served as a principal investigator and co-investigator on studies funded by the National Institute on Drug Abuse (NIDA), the Centers for Disease Control and Prevention (CDC), the National Institute of Justice (NIJ), and the National Science Foundation (NSF). His work focuses on how people who use drugs or have substance use or other behavioral health disorders experience criminal-legal and health systems. At a policy level Dr. Ray’s work has helped to address iatrogenic effects of social control along with methodologically rigorous study designs (including randomized controlled trials of interventions) and large data integration aimed at evaluating health and safety strategies.