Torsten Passie MD, PhD is Professor of Psychiatry and Psychotherapy at Hannover Medical School (Germany) and currently Visiting Scientist at Goethe University in Frankfurt/Main (Germany). He studied philosophy, sociology (MA) at Leibniz-University, Hannover and medicine at Hannover Medical School. He worked at the Psychiatric University Clinic in Zürich (Switzerland) and with Professor Hanscarl Leuner (Göttingen), the leading European authority on hallucinogenic drugs. From 1998 to 2010 he was a scientist and psychiatrist at Hannover Medical school (Germany) where he researched the addictions and the psychophysiology of altered states of consciousness and their healing potential, including clinical research with hallucinogenic drugs (cannabis, ketamine, nitrous oxide, psilocybin). In 2012-2015 he was Visiting Professor at Harvard Medical School (Boston, USA).
He is the author of The Pharmacology of LSD: A Critical Review and Healing with Entactogens: Therapist and Patient Perspectives on MDMA-Assisted Group Psychotherapy.