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Dr. John Mazziotta Assumes Leadership of UCLA Health John Mazziotta, MD, PhD, is the new CEO of UCLA Health and dean of the David Geffen School of Medicine at UCLA. A neurologist, he is the founder of UCLA’s Ahmanson-Lovelace Brain Mapping Center and former chair of the Department of Neurology. His perspective after some 30 years at UCLA gives Dr. Mazziotta a clear view of the institution and the direction in which he would like to lead. UCLAHEALTH.ORG 1-800-UCLA-MD1 (1-800-825-2631)