Deidra Somerville (PhD, MSW)

Executive Director of Mental Health Branch



Born in Ramaytush Ohlone territory (San Francisco, CA) Deidra Somerville is a mother, activist scholar and healer whose work is intentional in organizing, cooperative development, healing from trauma, and advancing decolonized principles and practices in organizational spaces. Dr. Somerville is trained in clinical and liberatory based healing strategies and draws upon these approaches in her work with clients and communities. She is a lifelong learner and carries this interest into the veins of her approaches to organizational development, leadership, organizing and her work as a healer. She is a proud graduate of the University of California at Santa Cruz (BA Sociology, Political Science) and Boston University (MSW - Human Resources Management) and earned her PhD in community psychology at National Louis University. 

Jane Chandler

Senior Director of Mental Health Services

With ten years of experience working with youth and families, Jane Chandler is recognized for her thoughtful and committed approach to mental health programming.


Elida Sobalvarro

Director of Community Resource Center

Elida combines her Masters in Social Work and Bachelor's in Psychology with her years of experience in social service provision to inform her work in passionately serving the San Mateo County community that she is also from.

Margaret Hitchcock

Director of Clinical Services, San Mateo Youth Service Bureau

Margaret has worked with youth and families with complex trauma through the majority of her career, working with inpatient and outpatient/community based youth involved with probation and foster care in San Francisco and San Mateo Counties.  She believes that anti-racist and anti-oppression work is an essential part of trauma-informed care and believes in the abolition of incarceration as a solution for youth with problematic behaviors.