People

Lea Grinberg, MD, PhD

Associate Professor

Dr. Lea Grinberg is a neuropathologist specializing in brain aging and associated disorders. She received her medical and doctorate degrees in São Paulo, Brazil. In 2003, Dr. Grinberg, along with colleagues from several disciplines founded a brain bank in São Paulo, which has developed into an extremely prolific and highly regarded institution. Her doctorate work was focused in the neuropathology of frontotemporal lobar degeneration. From 2007 to 2009, Dr.

Sushmitha Gururaj, PhD

Postdoctoral Fellow

Sushmitha has an undergraduate degree in biotechnology from Bangalore, India. She earned a master of science degree in biochemistry and molecular biology from the University of Southern California in the lab of Dr. Daryl Davies, followed by a doctorate in neuropharmacology at the University at Buffalo under Dr. Arin Bhattacharjee. During her PhD work, she studied the role and regulation of sodium-gated potassium channels- Slack and Slick- in sensory neuronal function, using mammalian cell lines and rodent models.

Tobias Haeusermann, PhD

Postdoctoral Fellow

Dr. Tobias Haeusermann is a Sociologist and Postdoctoral Fellow in the UCSF Decision Lab with Dr. Winston Chiong, where his research aims to understand the ethical concerns in existing clinical applications of closed-loop neuromodulation in epilepsy, movement disorders and mood disorders.

Gabby Haghighi

Student Intern 

Gabby is a student intern in the Seeley Selective Vulnerability Research Lab.

Suvi Hakkinen, PhD

Postdoctoral Fellow

Dr. Suvi Hakkinen is a postdoctoral scholar in the Lee Lab.

Atiriya Hari

Research Coordinator

Atiriya is a clinical research coordinator working with Dr. Kate Possin on the TabCAT platform for tablet-based cognitive tests.

Xuan He, MS

Associate Specialist

Joanna Hellmuth, MD, MHS

Assistant Professor

Joanna Hellmuth, MD, MHS, joined the UCSF Memory and Aging Center in July 2014 as a behavioral neurology fellow and is now Assistant Professor of Neurology. She provides care to patients with various neurodegenerative disorders and collaborates in the evaluation of patients for the Alzheimer’s Disease Research Center (ADRC) and frontotemporal dementia program project grant.

Mackenzie Hepker

Research Associate

Mackenzie is a research associate in the Seeley Selective Vulnerability Research Lab.

Oscar Hernandez Nunez

Administrative Manager

Oscar holds a bachelor’s degree in Middle East and Islamic Studies from California State University Sacramento and a masters of education in higher education administration from Northeastern University. Prior to joining the UCSF Memory and Aging Center, Oscar worked in admissions and student affairs at various universities in San Francisco.

Sarah Herrman

Assistant Clinical Research Coordinator

Sarah is an assistant clinical research coordinator for the MAC Clinical Trials Program.

Joseph Hesse

Director of Innovation

Joe Hesse joined the Memory and Aging Center in 2002 and serves as the center’s Director of Innovation. His focus is the development of informatics and computational infrastructure in support of precision medicine. He works in collaboration with many groups and faculty across UCSF with the overall goal of delivering technology solutions to clinicians and researchers that are both scientifically agile and regulatory compliant.

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