Dr. Ariele Greenfield is a neurologist with a specialty in MS and neuroimmunology and director of the Palo Alto Medical Foundation MS Center at Sutter Health. Dr. Greenfield completed a neurology residency and fellowship in MS at UCSF, focusing on clinical care and translational research, and was a recipient of the National MS Society Clinician-Scientist Development Award. Her research expertise is in understanding the human immune response that initiates and drives MS. In addition to caring for patients, Dr. Greenfield is a principal investigator conducting studies with the Sutter Precision Medicine Biobank and leading clinical trials for new MS treatments.