Douglas Crews is a physical anthropologist who investigates aging, disease, and other genetic and quantitative variation in Japan and Slovenia, among Samoans of the South Pacific, African Americans, and Native Americans from Brazil and Ecuador.

Dr. Crews works with data collected from American Samoans, African Americans of central Ohio, and Yanomami and Cofan Indians of the Brazilian and Ecuadorian Amazon. He has a joint faculty appointment in the School of Public Health and is a member of the Graduate Interdisciplinary Specialization in Aging Coordinating Committee.