Dr. Green is an epidemiologist whose research focuses on drug use, opioid addiction, and innovative interventions to reduce drug-related injury. She is a Professor and Director of the Opioid Policy Research Collaborative at the Heller School for Social Policy and Management at Brandeis University and an Adjunct Professor at Brown University where she co-directs the Center of Biomedical Research Excellence (COBRE) on Opioids and Overdose at Rhode Island Hospital. She presently oversees the community drug checking resource www.Streetcheck.org, www.prevent-protect.org for families, patients, and community organizations seeking naloxone supports, and the continuing education course www.respondtoprevent.org designed for pharmacists and technicians on prescribed and over-the-counter naloxone, syringe access, and harm reduction supplies.