Dr. Jon Christopher Aster is an American pathologist who researches the role of the notch signaling pathway in leukemia. He is the Michael Gimbrone Professor of Pathology at Harvard Medical School. He has co-edited the Annual Review of Pathology: Mechanisms of Disease since 2016. He got his Ph.D. and Doctor of Medicine in human genetics in 1987. For his doctoral research, he studied the physiology of red blood cells.
