Research Team

The UCSF Research Team


Wendy Berry Mendes, PhD - Principal Investigator; Sarlo/Ekman Endowed Professor, Department of Psychiatry; Co-Director Stress Measurement Network

Dr. Mendes’ research focuses on how emotion and stress are manifested in brain and body responses using a variety of physiologic methods.  


Aric Prather, PhD - Assistant Professor; Associate Director of the Stress Measurement Network

Dr. Prather’s research focuses on the inter-relationship between psychological stress and sleep as dynamic predictors of physical and mental health, utilizing epidemiologic, naturalistic, and laboratory based methods.


Kareena del Rosario - Lab Manager

Kareena manages laboratory operations, oversees research studies, and ensures that the laboratory is running smoothly. She is interested in studying the role of emotion and self-perception in social functioning, social cognition and health outcomes.


Erin Nakahara - Study Coordinator

Erin manages subject recruitment. She is interested in the biological factors behind emotion, cognition, and behavior and how these mechanisms impact relationships as well as mental and physical health. 


Katherine Ross - Project Director

Katherine oversees research studies in the laboratory. She is interested in how sleep and other physical health behaviors affect psychological and emotional processes. 


Erika Siegel, PhD - Post-Doctoral Fellow

Dr. Siegel’s work explores the role of affect in the construction of conscious experience with a particular focus on the way context and individual variation influence both the experience of emotion and peripheral physiology.


Amie Gordon, PhD - Research Scientist

Dr. Gordon draws upon social, personality, and health psychology to explore social-cognitive, affective, and biological processes that influence interpersonal behaviors and outcomes.