
Mark Green, MD
Mark Green, MD is a psychiatrist specializing in addictions. He completed his residency and addictions fellowship at Cornell before conducting research into stress and addictions at Rockefeller University. He has been on Faculty at Cornell, Vermont and Harvard, and lectured nationally on harm reduction, evidence-based treatment, opiate treatment and psychotherapies. Mark has run outpatient and residential programs and systems in several states. Until recently Mark owned and operated Psych Garden in Belmont, MA, which provided evidence-based, family-focused and harm reduction treatment. Mark is a certified therapist and supervisor in training in AEDP and has trained in ketamine assisted psychotherapy with Phil Wolfson; the MAPS study for MDMA for PTSD; has taught ketamine assisted psychotherapy at Harvard conferences, the Boston Psychedelic Training Center, and at multiple retreats.
Upcoming Programs by Mark Green, MD

Cultivating Joy: An Experiential AEDP, Ketamine, and Mindfulness Retreat and Training For Professionals
Also With Jayne Gumpel LCSW, Diana Fosha, PhD, Lisa Wang MD and David Gumpel M.A
Thursday October 23 to Sunday October 26, 2025 www.relationshipresources.info to apply This immersive experiential retreat and training is designed for professionals seeking deep healing, renewal, and transformation through the integration of Accelerated Experiential Dynamic Psychotherapy (AEDP), ketamine-assisted work, and mindfulness. Primarily, this is a participant retreat; secondarily, it is a training opportunity. Participation offers valuable […]