Douglas W. Heinrichs is a practitioner of general psychiatry and psychopharmacology. Having completed his medical and psychiatric training at Georgetown University, University of Cincinnati, and University of Maryland, Heinrichs has spent nearly a decade in clinical research and teaching at University of Maryland, concentrating on schizophrenic disorders. He has also spent 40 years of private practice in general psychiatry and psychopharmacology and is active in, and on, the executive committee of the Association for the Advancement of Philosophy and Psychiatry.