faculty

Mary De May, MD, is the Hellman Master Clinician and Hellman Family Distinguished Professor of Neurology at the UCSF Edward and Pearl Fein Memory and Aging Center. A compassionate and dedicated physician, Dr. De May has been part of the Fein Memory and Aging Center since 2000, providing exceptional clinical care and professional mentorship in the field of neurodegenerative diseases.

Dr. Kamalini Ranasinghe received her medical degree from the University of Peradeniya, Sri Lanka and completed her internship training in general medicine and general surgery. She earned her doctorate degree in Cognition and Neuroscience from the University of Texas at Dallas, under the mentorship of Dr. Michael Kilgard.

Julio Rojas is a neurologist who specializes in dementia, caring for patients with cognitive difficulties or behavioral changes resulting from conditions including Alzheimer’s disease, Lewy body dementia (a form of dementia that causes cognitive defects and Parkinson’s-like symptoms), frontotemporal dementia (a common cause of dementia in younger adults that features behavioral changes) and progressive supranuclear pa

Gil Rabinovici, MD, is a professor in the UCSF Department of Neurology and holds the Edward and Pearl Fein Distinguished Professorship in Memory and Aging. He is a behavioral neurologist at the UCSF Edward and Pearl Fein Memory and Aging Center (Fein MAC), where he cares for individuals with cognitive disorders. Dr. Rabinovici earned his bachelor’s degree from Stanford University and his medical degree from Northwestern University Feinberg School of Medicine.

David Perry, MD, is a neurologist and associate professor of neurology at the UCSF Edward and Pearl Fein Memory and Aging Center, part of the UCSF Weill Institute for Neurosciences. He specializes in the care of patients with neurodegenerative diseases, including Alzheimer’s disease, frontotemporal dementia, and other conditions that cause cognitive impairment. Dr.

Peter A. Ljubenkov, MD, is a behavioral neurologist at the UCSF Edward and Pearl Fein Memory and Aging Center, where he specializes in caring for patients experiencing cognitive, language, and behavioral changes due to neurological conditions such as Alzheimer’s disease, Lewy body dementia, and other forms of dementia.

Dr. Melanie Stephens directs the Memory and Aging Center Clinic and is an Assistant Professor of Neuropsychology.

Kate Possin, PhD, is a professor in residence in the Department of Neurology at the UCSF Edward and Pearl Fein Memory and Aging Center and the Global Brain Health Institute within the UCSF Weill Institute for Neurosciences. She holds the John Douglas French Alzheimer’s Foundation Endowed Professorship and is the Clinical Core Lead for the UCSF Alzheimer's Disease Research Center. Dr.

Aimee Kao, MD, PhD, is a professor of neurology at UC San Francisco in the Edward and Pearl Fein Memory and Aging Center and is a John Douglas French Foundation Endowed Professor. She is a leader in neurodegenerative disease research and patient care, with expertise in diagnosing and treating Alzheimer’s disease, vascular dementia, Lewy body disease, and frontotemporal lobar degeneration.