
Dashiell is a college student, storyteller, disability rights advocate, speaker, and filmmaker. As the National Down Syndrome Society Ambassador of the Year 2025 and Special Olympics Global Messenger, he advocates for people with disabilities in California, nationally, and internationally. In 2024, Dashiell spoke at the United Nations in New York about health equity and at the World Down Syndrome Conference in Australia. He is also an award-winning filmmaker working on a feature documentary about Trisomy 21/Down syndrome.
Sergio Aguilar-Gaxiola, MD, PhD
Director, UC Davis Center for Reducing Health Disparities, Parent
As a clinical professor of internal medicine and founding director of the Center for Reducing Health Disparities (CRHD) at UC Davis Health, Dr. Sergio Aguilar-Gaxiola has spent nearly three decades promoting equitable and culturally competent health care for underserved populations. He has led initiatives to collect and analyze racial, ethnic, and language data from patients and integrate them into electronic health records, improving both the quality and accessibility of care.
Dr. Aguilar-Gaxiola also directs the Community Engagement Program at the UC Davis Clinical and Translational Science Center (CTSC), where he fosters partnerships between academic and community stakeholders to address local and regional health needs. He has held leadership roles in the NIH’s Clinical and Translational Science Awards (CTSA) program and is a member of the National Advisory Councils for NCATS and SAMHSA’s Center for Mental Health Services.
A leading expert in mental health and population health outcomes, Dr. Aguilar-Gaxiola has authored over 200 publications, earned numerous awards, and is actively involved in the World Health Organization’s World Mental Health Surveys Consortium.

