Robert Morris Sapolsky (born April 6, 1957) is an American neuroendocrinologist and author. He is currently a professor of biology, and professor of neurology and neurological sciences and, by courtesy, neurosurgery, at Stanford University. In addition, he is a research associate at the National Museums of Kenya.
Robert Sapolsky focuses on the role of the limbic system as the emotional component of the nervous system. He explores its influence on decision making, its connection to the cortex, and the various functions of subparts within the limbic system circuitry.