Team | California Alzheiemer's Disease Center | Neurology

Our Team

  • Center Director (Sacramento)

    Sarah Farias, Ph.D.

    Sarah Farias is a practicing neuropsychologist and internationally recognized leader in Alzheimer's disease and cognitive aging. Her research, which is funded by multiple agencies including the NIH, focuses on early signs of cognitive impairment, their impact on everyday functioning, and the development and evaluation of behavioral and lifestyle interventions to delay cognitive decline and support independence among older adults.

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  • Center Director (East Bay)

    David Johnson, Ph.D., M.A.

    As an expert diagnostician, care consultant and therapist, David Johnson educates and supports families coping with late life chronic neurological disease burden. He is recognized internationally and has published over 100 peer-reviewed manuscripts. His research interests include biological bases of human memory, neuropsychiatric symptoms of dementia and public health initiatives promoting positive lifestyle adoption in Black and Latino older adults.

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  • Behavioral Neurologist

    David Bissig, M.D.

    Assistant Professor

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  • Behavioral Neurologist

    Doris Chen, M.D.

    Assistant Professor

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  • Behavioral Neurologist

    Thomas Wingo, M.D.

    Professor
    Associate Director, UC Davis Alzheimer's Disease Research Center

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  • Neuropsychologist

    Michelle Chan, Ph.D

    Assistant Professor

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  • Neuropsychologist

    Jaclyn Fox, Ph.D.

    Assistant Professor

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  • Neuropsychologist

    Michael Ryan, Psy.D., M.S.

    Assistant Professor

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  • Neuropsychologist

    Alyssa Weakley, Ph.D.

    Assistant Professor

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  • Neuropsychologist

    Christina Young, Ph.D.

    Assistant Professor

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  • Advanced Practice Provider

    Parvaneh (Pari) Gerami, F.N.P.

    Nurse Practitioner