Michael Rehn Von Korff (born 1949) is an American epidemiologist and medical researcher who studies the treatment of chronic pain and major depressive disorder. He works as a senior investigator at Kaiser Permanente's Washington Health Research Institute in Seattle, Washington. He is the co-founder of Physicians for Responsible Opioid Prescribing, as well as a fellow of both AcademyHealth and the Society of Behavioral Medicine. He was named an ISI Highly Cited Researcher in 2002. Source: Wikipedia (en)