He is also a current fellow with the Penn Center for Public Health Initiatives at the University of Pennsylvania. His research on opioid misuse has been published widely in peer-reviewed journals. His work has helped guide law enforcement, clinicians, regulatory agencies, and industry to develop policy initiatives and recommendations for best practices. His most recent research has been cited in court cases, policy briefs, and industry documents, as well as covered in the media. Dr. Rigg received his Ph.D. from the University of Miami and completed a postdoctoral fellowship in health services research at the University of Pennsylvania Perelman School of Medicine. He currently sits on the editorial boards of several academic journals including Psychology of Addictive Behaviors and Substance Use & Misuse.