
Aaron has worked in civil rights policy and programs for over twenty-five years, including as an appointee of two Governors, for California’s Attorney General, and in the State Senate and Assembly. He is currently carrying out the Council’s 2025 theme, “We’re in Charge.” Last year SCDD’s work impacted more than 9.3 million Californians. He is a child of parents with developmental and other disabilities, is a person with disabilities, and is the parent of a young man with disabilities.
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.

