Neurology

Sabrina Jarrott

Technical Project Manager

Sabrina (Erlhoff) Jarrott manages the development and implementation of the TabCAT software platform. TabCAT is a technologically and scientifically robust system for the administration of novel cognitive and behavioral assessment measures aimed at advancing early detection and monitoring of neurocognitive disorders developed by Dr. Kate Possin.

Mary De May, MD

Hellman Master Clinician

Dr. Mary De May received her medical degree from the State University of New York at Stony Brook. She completed an internship in medicine and psychiatry at the University of Pennsylvania in Philadelphia and subsequently did her psychiatry residency and fellowship at the University of Pittsburgh Western Psychiatric Institute and Clinic. She joined the UCSF Memory and Aging Center in 2000, where she is the center’s Hellman Master Clinician and the Hellman Family Distinguished Professor of Neurology.

Julio Rojas, MD, PhD

Associate Professor

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

David Perry, MD

Associate Professor

Dr. Perry graduated from medical school at Georgetown University in Washington, DC. He completed an internship in internal medicine and residency in neurology at the Mayo Clinic in Rochester, Minnesota where he also researched obsessive-compulsive features in dementia. He is an Assistant Professor of Neurology at the Memory and Aging Center and participates in the evaluation and treatment of patients in the MAC clinic.

His current area of research interest is the impact of neurodegenerative illness on reward processing.

Alissa Nana Li, PhD

Associate Lab Specialist

Alissa joined the Seeley Selective Vulnerability Research Laboratory in 2011 as a postdoctoral fellow. Her background is in neurodegeneration research. Alissa completed a BSc degree with honors in biomedical science in 2004 and a PhD degree in anatomy in 2009 from the University of Auckland, New Zealand, where she investigated the variable pattern of cortical neuronal loss in Huntington’s disease.

Stephanie Gaus, PhD

Research Scientist

Stephanie joined the Seeley Selective Vulnerability Research Laboratory in October 2007 as an Associate Specialist. Her background is in sleep and circadian rhythms research, including neuroanatomy. She completed a doctorate in neurobiology (CB Saper, Harvard University), a master's in medical science (Harvard Medical School), and a postdoc focusing on narcolepsy (E Mignot, Stanford University/Howard Hughes Medical Institute).

Shireen Javandel

Assistant Director for Operations and Impact, GBHI

Shireen provides oversight for resource allocation, risk mitigation, budgeting, and logistics for the Global Brain Health Institute (GBHI) at the UCSF Memory and Aging Center. She works closely with the Department of Neurology and other groups to optimize the administration of the program within UCSF.

Peter Ljubenkov, MD

Associate Professor

Dr. Peter A. Ljubenkov is a behavioral neurologist at the UCSF Memory and Aging Center and specializes in caring for patients experiencing memory, language and behavioral changes due to neurological conditions, such as Alzheimer’s disease, Lewy body dementia, and other causes of dementia.

Melanie Stephens, PhD

Clinic Director

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

Winston Chiong, MD, PhD

Professor of Neurology
Director, UCSF Bioethics

Winston Chiong is the Mary Oakley Foundation Professor of Neuroethics in the UCSF Department of Neurology Memory and Aging Center and is the principal investigator of the UCSF Decision Lab. His clinical practice focuses on Alzheimer’s disease, frontotemporal dementia and other cognitive disorders of aging. His research has two main themes:

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