Dr Morris Levin is a Professor in the UCSF Department of Neurology and is the Director of the UCSF Headache Center. He is board certified in neurology (ABPN), pain medicine (ABPN), and headache medicine (UCNS). He is formerly the co-director of the Dartmouth Headache Center and Program Director of the Dartmouth Residency Training Program. He has authored a number of medical journal articles and textbook chapters, as well as Headache and Facial Pain, Second Edition (Oxford University Press 2022), Emergency Neurology (Oxford University Press 2021), and co-authored Understanding Your Migraines: A Guide for Patients and Families (Oxford University Press 2017). He also coauthored the IHS's International Classification of Headache Disorders (ICHD) 3rd edition.