People

Taylor Johnson

Staff Research Associate

Taylor joined the Yokoyama Lab at the Memory and Aging Center from Cal Poly San Luis Obispo where he studied both microbiology and enology. Taylor also helps manage the Biospecimens Core. Prior to his start at UCSF, Taylor worked as a Research Assistant at Cal Poly in cell culture utilizing various commercial probiotics and Vibrio parahaemolyticus to understand human intestinal epithelial and immune cell relationships upon probiotic and pathogenic challenge.

Aimee Kao, MD, PhD

Associate Professor

Aimee Kao, MD, PhD, is an Associate Professor of Neurology at the University of California, San Francisco. She directs the UCSF Tau Consortium Human Fibroblast and Induced Pluripotent Stem Cell (iPSC) Bank and leads the UCSF Alzheimer Disease Research Center (ADRC) Neurodegenerative Disease Biomarker Core. Dr. Kao’s clinical expertise includes the diagnosis and treatment of Alzheimer’s disease, vascular dementia and frontotemporal lobar degeneration.

Krystal Karunungan

Research Coordinator

Krystal is a research coordinator in the Rabinovici lab, where she coordinates the IDEAS study as well as the Early Onset and Atypical Alzheimer’s Disease study.

Anna Karydas

Biospecimen/Genetics Programs Manager

Anna Karydas is the Biospecimen/Genetics Programs Manager at the Memory and Aging Center. She serves as the primary subject expert for the acquisition, characterization and management of biological materials. Anna works directly with the clinical staff, including nurses and genetic counselors, to ensure accurate and efficient collection, delivery and reconciliation of biologic materials.

Niall Kavanagh

Communications Officer, GBHI

Niall Kavanagh is a communications officer with the Global Brain Health Institute (GBHI). Based at UCSF, he is responsible for developing and sharing the stories and messages of GBHI and the Atlantic Fellows for Equity in Brain Health.

Rachel Kiekhofer

Research Data Analyst

Rachel joins the Memory and Aging Center as a Research Data Analyst on the Care Ecosystem team, where she manages the Care Ecosystem codebase and collects data through interviews with study participants. In this capacity, she hopes to improve care outcomes for dementia patients and their caregivers.

Tom Kiely, PhD

Psychologist

Mary Koestler, RN, PhD

Project Administrator and Trials Nurse

Mary Koestler joined the Memory and Aging Center’s clinical trials unit as project administrator and trials nurse in July 2007. Dr. Koestler completed a master’s degree in nursing with an emphasis in clinical research management at UCSF followed by a PhD degree. She currently manages industry-sponsored FDA Phase I-III Alzheimer’s disease trials. Dr. Koestler is credentialed by the Association of Clinical Research Professionals (ACRP).

Eena Kosik

Research Coordinator

Eena Kosik graduated from the University of California, Berkeley in 2017 with a bachelor’s degree in cognitive science. During her time at Berkeley, Eena worked as a research assistant in Dr. Robert Levenson’s lab doing facial coding of patients with neurodegenerative diseases. She then spent her final two years in Dr. Robert Knight’s lab completing an honor’s thesis on the neural mechanisms of prediction through electroencephalography brain recordings.

Joel Kramer, PsyD

Director of Neuropsychology

Dr. Kramer is a Professor of Neuropsychology in Neurology and the Director of the Memory and Aging Center Neuropsychology program. He earned his doctorate in psychology at Baylor University and completed a postdoctoral fellowship in neuropsychology at the Martinez VA hospital. Dr. Kramer is board certified in clinical neuropsychology.

Lisa Kritikos, RN

Nurse

Lisa is a nurse in the Memory and Aging Center

Renaud La Joie, PhD

Postdoctoral Fellow

Renaud La Joie originally studied medicine in his native Normandy before graduating with a master’s degree in neuroscience from the Université Pierre et Marie Curie in Paris. He then pursued a PhD degree in neuropsychology with Gael Chételat and Béatrice Desgranges, where he studied Alzheimer's disease using multimodal PET and MRI imaging. Dr. La Joie then spent a year with Dr. William Jagust at the University of California, Berkeley before joining Dr. Gil Rabinovici’s lab at the Memory and Aging Center in March 2016.

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