Dr. Ferencz came to the University of Maryland in 1973 as Associate Professor of Pediatrics and Associate Professor of Social and Preventive Medicine. Here she eventually rose to become Professor of Epidemiology and Preventive Medicine in 1978 and Professor of Pediatrics in 1985. Concurrently, in 1981 she became Senior Associate, Department of Epidemiology in the School of Hygiene and Public Health at Johns Hopkins.