Susan worked with the Trauma Research Foundation as the Co-Principal investigator and therapist on FDA Phase 2 and 3 MAPS Clinical Trials investigating MDMA Assisted Therapy for PTSD. She was a consultant (and later a mentor consultant) for Phase 3 Clinical Trials investigating MDMA Assisted Therapy for PTSD (MAPP2), Expanded Access, MPVA6 Phase 2, open-label randomized controlled comparative study on the effectiveness of MDMA-assisted therapy in U.S. Veterans with chronic PTSD, and the Clinical trial in Europe for MDMA Assisted Therapy for PTSD through MAPS. She is a MAPS Trainer for MDMA Assisted Therapy. She has a Ketamine Assisted Psychotherapy private practice in Cambridge, MA. She is Board certified by the American Board of Psychiatry and Neurology and the American Board of Child and Adolescent Psychiatry. Susan worked for over 15 years as an attending psychiatrist at Cambridge Health Alliance and as an instructor in psychiatry at Harvard Medical School. Susan has an extensive background supervising medical students, residents, fellows, social work trainees, psychology interns and post-docs in the outpatient psychiatry and emergency room settings. Susan trained in Internal Family Systems therapy, completed a Mindfulness- Based Stress Reduction (MBSR) Leadership Training Course, and has a long interest in therapeutic aspects of expanded states of consciousness. She is certified in both MDMA Assisted Psychotherapy (2016) and Ketamine Assisted Psychotherapy (2018).