This program will focus on the signs and symptoms of opiate dependence and current effective treatment interventions. Our guest will be Dr. Mark Green, Medical Director of WestBridge Community Services. He obtained his medical degree at the University of London in 1993 and worked in internal medicine for several years before moving to the U.S. He completed his psychiatry residency in 1999 and then a Fellowship in Addiction Psychiatry, at New York Presbyterian Hospital, Cornell Medical Center. Dr. Green was an Assistant Professor at Cornell, working and teaching in dual diagnosis, and a research associate at Rockefeller University In 2003, he became the first medical director of Vermont’s first methadone clinic. In addition to his work at WestBridge, Dr. Green teaches at Harvard Medical School and participates in Psychiatric training programs, lectures on topics in Dual Diagnoses and publishes articles on neurobiology, collaborative psychopharmacology, and clinical management issues.