Jon Christopher Aster is an American pathologist who researches the role of the notch signaling pathway in leukemia.
He attended the University of Michigan (UM), where he was initially interested in pursuing a meteorology degree but later switched to microbiology.
After graduating, his father recommended that he worked for George Brewer, a faculty member in UM's department of human genetics, while he determined his career path.
Aster worked in Brewer's lab for a year before re-enrolling as a doctoral student at UM.
[4] He has co-authored several pathology books[5] along with Dr. Vinay Kumar (pathologist) and Dr. Abul K. Abbas.