He teaches neuroscience and psychology at Columbia University.
He is the Chair of the Department of Psychology at Columbia University. He is also the Ziff Professor of Psychology in the Departments of Psychology and Psychiatry.
His research seeks to understand complex interactions between drugs of abuse and the neurobiology and environmental factors that mediate human behavior and physiology.
Professor Hart has published numerous scientific and popular articles in the area of neuropsychopharmacology and is co-author of the textbook Drugs, Society and Human Behavior (with Charles Ksir).
In 2013, Hart published the book High Price: A Neuroscientist’s Journey of Self-Discovery That Challenges Everything You Know About Drugs and Society, which granted him the PEN/E. O. Wilson Literary Science Writing Award in 2014.