People

Rochelle Reyes, BS, MPH

Staff Research Associate

Rochelle-Jan (RJ) Reyes (they/she) is a staff research associate in the de Leon Lab at UCSF. With Dr. de Leon and members of the lab, they support the Bilingualism Study that aims to investigate bilingualism’s effect on healthy aging and neurodegenerative disease. RJ is also a PROPEL scholar at UCSF.

Liara Rizzi, PhD, MSc

Postdoctoral Scholar

Oscar Robles-Archila

Assistant Clinical Research Coordinator

Oscar is the Assistant Clinical Research Coordinator at the Yokoyama Lab. He supports the research focusing on the genetic, structural and cognitive characterization of Alzheimer's disease and frontotemporal dementia in Central and South American populations.

Salma Rocha, BA

Assistant Clinical Research Coordinator

Salma was born and raised in Orange County, California. She graduated from the University of California, Berkeley in May 2022 with a Bachelor of Arts degree in Molecular and Cell Biology: Neurobiology and Spanish Linguistics. She is now working as an Assistant Clinical Research Coordinator to aid with various studies related to Alzheimer's disease in the Rabinovici Lab.

Diana Rodriguez, BS

Assistant Clinical Research Coordinator

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 Rosado-Rolon

David Rosado-Rolon

Research Assistant

David is a Staff Research Associate at the ALBA Lab working under Dr. Jet Vonk on dementia research. He graduated from Columbia University with a BA degree in computer science and has previously worked at the Taub Institute at Columbia University Medical Center. His work focuses on generating new automated methods for analyzing verbal fluency across different languages.

Howie Rosen, MD

Professor

Dr. Rosen is a behavioral neurologist and holds the Dorothy Kirsten French Foundation Endowed Professorship for Parkinsonian and Other Neurodegenerative Disorders. He received his medical degree from Boston University School of Medicine, trained in internal medicine at the Albert Einstein College of Medicine in New York, and subsequently completed a neurology residency at UCSF. After residency, Dr. Rosen pursued fellowship training in brain imaging at the Washington University School of Medicine, and then returned to UCSF to join the team at the Memory and Aging Center (MAC) in 1999.

Ashlin Roy

Research Data Analyst

Ashlin earned his bachelor of science degree in psychology at the University of Oregon in 2016. As an undergraduate, he assisted in several labs that study the neurobiological basis of behavior. After graduating, Ashlin worked as a lab manager at the University of Massachusetts Boston for Dr. Keith Welker and Dr. Rhiana Wegner. Currently, Ashlin is a data analyst at UCSF’s Memory and Aging Center for Dr. Virginia Sturm and Dr. David Perry.

Anjali Sadarangani, BA

Assistant Clinical Research Coordinator

Rowan Saloner, PhD

Assistant Professor

Dr. Saloner is a scientist-practitioner and Assistant Professor at the UCSF Memory and Aging Center. His research integrates deep molecular screening tools, including large-scale proteomics platforms and targeted biomarker assays, with longitudinal clinical phenotyping to discover molecular pathways and biomarker candidates that drive the earliest clinical manifestations of neurodegenerative disease. Dr.

Paul Sampognaro, MD

HS Asst Clinical Professor

Dr. Sampognaro majored in neurobiology as an undergrad at Georgetown University. There, he worked as a research assistant in the laboratory of Maria Donoghue, studying the molecular underpinnings of Eph/ephrin signaling and its role in cortical neuronal development. After college, he matriculated to the Johns Hopkins University School of Medicine, where he earned his MD and worked part-time in Charlotte Sumner’s laboratory, quantifying the degree of SMN1 insufficiency in humans with spinal muscular atrophy.

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