Bruce George Link is an American epidemiologist and sociologist who is a Distinguished Professor of Sociology and Public Policy at the University of California, Riverside. He is also a professor emeritus of Epidemiology and Sociomedical Sciences in the Mailman School of Public Health at Columbia University, a research scientist at the New York State Psychiatric Institute, and the current president of the Interdisciplinary Association for Population Health Science (IAPHS). Bruce Link is probably best known for developing fundamental cause theory of social inequalities in health together with Jo Phelan.