Dr. Chenn is board certified in clinical pathology and molecular genetic pathology. He earned his undergraduate degree in biochemical sciences at Harvard University and his MD and PhD in neurosciences from Stanford University. He completed his residency in clinical pathology at the Brigham and Women's Hospital in Boston, Massachusetts, and post-doctoral training in the lab of Dr. Christopher Walsh at Beth Israel Deaconess Medical Center in Boston, and was an instructor at Harvard Medical School. Dr Chenn was a faculty member at Northwestern University Feinberg School of Medicine and served as the director of molecular diagnostics at Northwestern Memorial Hospital in Chicago. Most recently, Dr. Chenn was a tenured associate professor of pathology at the University of Illinois, Chicago, where his research lab focused on understanding developmental brain disorders and brain cancer. Dr. Chenn's laboratory received funding from NIH (NINDS, NCI), Sontag Foundation for Brain Tumor Research, Searle Scholars Program, March of Dimes, Simons Foundation for Autism Research Initiative, and the V Foundation.