He is also lead investigator for a clinical trial evaluating the impact of psilocybin-generated mystical experience upon religious leaders. Dr. Bossis is a clinical supervisor of psychotherapy training and the co-founder and former co-director of the Palliative Care Service at Bellevue Hospital. He has a long-standing interest in comparative religion, consciousness research, contemporary psychoanalytic-existential psychotherapy, and the interface of psychology and spirituality. He maintains a private psychotherapy practice in NYC.