Jonah received his BS in Biochemistry and a PhD in Neuroscience at the University of Illinois at Urbana-Champaign. He completed a postdoctoral fellowship in the Department of Neurobiology at Stanford University with Professor Eric Shooter. Jonah is currently the Debbie and Andy Rachleff Distinguished Professor of Neurology. Jonah is a member of the Program in Neuroscience, the Biomedical Sciences Program, is Vice Chief in the Division of Neuroimmunology and Glial Biology, and Co-Director for the Innovation Program for Remyelination and Repair at UCSF.