PESI live seminar update: Due to concerns with coronavirus (COVID-19) all live, in-person seminars through August 31st are being changed to digital format. Click here for more information about the status of live in-person seminars.  Click here for Online Learning Options.


Susan Walker MD, Instructor in psychiatry, Harvard Medical School.  Child and Adolescent Psychiatrist, Cambridge Health Alliance.  MDMA Therapy Team Member, The Trauma Research Foundation.