1. Social science research professional in the Department of Psychiatry and Behavioral Sciences at Stanford University School of Medicine
2. Professor of psychiatry and behavioral sciences and the director of the Geriatric Psychiatry Fellowship Training Program in the Department of Psychiatry and Behavioral Sciences at Stanford University School of Medicine
3. Clinical assistant professor in the Department of Psychiatry and Behavioral Sciences at Stanford University School of Medicine
4. Katharine Dexter McCormick and Stanley McCormick Memorial professor in and the chairperson of the Department of Psychiatry and Behavioral Sciences at Stanford University School of Medicine