Keith Humphreys (born 1966 in West Virginia) is an American psychologist currently the Esther Ting Memorial Professor at Stanford University, a Senior Research Career Scientist in the Veterans Health Administration, and an Honorary Professor at the Institute of Psychiatry, King's College, London.He is known for his scholarship on addiction. He is The Deputy Editor in Chief for the journal Addiction. Humphreys won the 2021 Under Secretary's Award for Outstanding Achievement in Health Services Research from the U.S. Department of Veterans Affairs. Source: Wikipedia (en)