Genetics

People who primarily investigate genes and inheritance patterns, counsel people about genetic testing and/or collect genetic specimens.

San-Hae Im

San-Hae Im, PhD

Postdoctoral Scholar

San-Hae is a postdoctoral researcher at the UCSF Memory and Aging Center under the mentorship of Dr. Claire Clelland. His research focuses on developing delivery systems for CRISPR-based therapies to treat neurodegenerative diseases.

Rowan Heffelfinger

Assistant Clinical Research Coordinator

Rowan graduated from Middlebury College in May 2024 with a major in Sociology and a minor in Global Health. She joined the UCSF Memory and Aging Center (MAC) in June 2024 as a clinical research coordinator in the Dementia Imaging Genetics Lab led by Dr. Suzee Lee, where she coordinates a study investigating the neurodevelopment of children from families with a history of frontotemporal dementia or Alzheimer’s disease

Daniel Sirkis, PhD

Staff Scientist
Maison Abu Raya

Maison Abu Raya, MD

Specialist

Maison Abu Raya received her medical degree from the Technion – Israel Institute of Technology in 2014. Maison completed her neurology residency at Hillel Yaffe Medical Center in Hadera, Israel and passed the Israeli Neurology board exams with honors in 2019. She continued as an attending neurologist at the neurology department. In 2021, Maison joined the Stroke and Cognition Clinic at Rambam Health Care Campus as an attending physician and clinical fellow.

Ariel Sauri, BA

Staff Research Associate

Ariel joined the Yokoyama Lab at the Memory and Aging Center in February 2024 as a Staff Research Associate. She graduated from the University of California, Berkeley, where she received her bachelor’s degree in English and in Molecular and Cellular Biology. Ariel has experience assisting with research into the effects of environmental air pollution on neurodegenerative disease, as well as working in a clinical pathology setting; she is interested in learning more about neurogenetics.

Taylor Young

Administrative Coordinator

Taylor is an Administrative Coordinator working under the MAC Genetics and Biospecimen manager. 

Valerie Escobar, PhD

Specialist

Valerie joined the Yokoyama Lab in 2023 as a staff scientist with a career-long interest in evaluating genetic factors involved in neurological diseases. She earned a PhD degree in Neuroscience at the University of Michigan, where she identified transcriptional regulation sequences for a gene involved in epilepsy and movement disorders. During her postdoctoral fellowship at NHGRI and UCSF, she studied the role of alpha-synuclein in Parkinson’s disease.

Jana Klein

Operations and Development Officer

Jana’s life is a continuous discovery of new passions and interests. Born and raised in Anchorage, Alaska, Jana’s passion for the outdoors, adventure and curiosity was determined at birth. In between camping and fishing with her family, she competed on a high level on the junior tennis circuit and eventually became a recruited athlete to Cornell University. This is where she found her passion for genetics and how this science impacts people and their lives. She went on to the University of California, Berkeley School of Public Health and completed a Master of Science in genetic counseling.

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