After completing a BA at Yale University, Prof. Jonas completed her M.D. at New York University. Subsequently, she completed residencies in Neurology and Internal Medicine at the Yale University School of Medicine and a Postdoctoral Fellowship in Pharmacology at the same location. She began an Assistant Professorship in the Department of Internal Medicine at Yale University before becoming an Associate Professor in the Department of Internal Medicine (Endocrinology) and the Department of Neuroscience at Yale University.