Mary Evelyn Northridge is an American epidemiologist and the former editor-in-chief of the American Journal of Public Health (2001-2015). She was the journal's first female editor-in-chief.^[1] Northridge obtained a BA at University of Virginia (chemistry, 1980), an MPH at Rutgers University (environmental health, 1988), and a PhD at Columbia University (epidemiology, 1993).^[2]