Charles S. Grob, M.D. is Director of the Division of Child and Adolescent Psychiatry at Harbor-UCLA Medical Center, and Professor of Psychiatry and Pediatrics at the UCLA School of Medicine. Prior to his appointment at UCLA, he held teaching and clinical positions at the University of California Irvine, College of Medicine and The Johns Hopkins University School of Medicine, Departments of Psychiatry and Pediatrics. Dr. Grob conducted the first government approved psychobiological research study of MDMA, and was the principal investigator of an international research project in the Brazilian Amazon studying the visionary plant brew, ayahuasca. He has also completed and published (in the Archives of General Psychiatry) the first approved research investigation in several decades on the safety and efficacy of psilocybin treatment in terminal cancer patients with anxiety. His most recent investigation has been using an MDMA treatment model with adult autistics with severe social anxiety. Dr. Grob is the editor of Hallucinogens: A Reader (Tarcher/Putnam, 2002) and co-editor (with Roger Walsh) of Higher Wisdom: Eminent Elders Explore the Continuing Impact of Psychedelics (SUNY Press, 2005). He is also a founding board member of the Heffter Research Institute.