Ravenswood Providers

Sandra Escobar, Ph.D – Integrated Behavioral Health Services Clinical Director

Sandra Escobar, Ph.D - Integrated Behavioral Health Services Clinical DirectorDr. Sandy Escobar obtained her BA in Psychology at UCLA, and completed her doctoral in Psychology at the California School of Professional Psychology, San Diego. Since 1995, Dr. Escobar has held several leadership and clinical positions working in community behavioral health programs serving the neediest and most disadvantage individuals in our communities. Her professional track record includes successful advocacy of an integrative approach to services, building community partnerships, implementing new programs and advocacy for community culturally appropriate evidenced-based clinical therapies, outcome driven services and clinical supervision for postdoctoral students.  Before joining Ravenswood, Dr. Escobar was the Senior Division Director for a large nonprofit community organization providing leadership and managing a large-scale multi-million-dollar health division.

Jose Lopez, Ph.D – Clinical Psychologist

Jose Lopez, Ph.D - Clinical PsychologistDr. Lopez received a Ph.D. in Clinical Psychology from UCLA in 1992, and completed a Postdoctoral Fellowship in Child and Adolescent Psychology at Harbor-UCLA Medical Center in 1993.  While Dr. Lopez has over 14 years experience working with a general psychiatric population, he has expertise working with the following clinical populations: Working with Spanish-speaking psychiatric populations; the assessment and treatment of Autism Spectrum Disorders and ADHD; and the assessment and treatment of children in foster care settings. At Ravenswood, Dr. Lopez provides short-term counseling to individual, families, children, adults and adolescents.


Ryan Matlow, Ph.D – Clinical Psychologist

Ryan Matlow, Ph.D - Clinical PsychologistDr. Matlow is a clinical psychologist who focuses on supporting and empowering children, youth, and families who experience stress, adversity, and trauma in their lives. Dr. Matlow seeks to address common reactions to stress and trauma in order to promote healing and resilience. Dr. Matlow has experience and expertise in delivering trauma-focused interventions for children, families, and special populations, including Spanish-speaking immigrant families. He received his Ph.D. in Clinical Psychology from the University of Denver Department of Psychology in 2013, and completed pre- and post-doctoral fellowships at the UCSF Multicultural Clinical Training Program at San Francisco General Hospital. At Ravenswood, Dr. Matlow provides short-term counseling services to children, adolescents, adults, and families that includes education, skill-building, empowerment, and goal-setting in accordance with personal values and priorities.

Veronica Shah – Behavioral Health Program Manager

Veronica Shah - Behavioral Health Program ManagerVeronica received her Bachelor’s degree in Social Work and has extensive experience in behavioral health programs. She coordinates the integration of medical services with behavioral health services, facilitates responsive and supportive referral relationships with other service agencies in our service area and oversees the daily operations/scheduling of our IBHS Team.



Steffany Torres, Ph.D – Clinical Psychologist

Dr. Torres received her Ph.D. in Clinical Psychology from the University of Maryland, Baltimore County in 2018. She completed pre and postdoctoral fellowships at the VA Palo Alto Health Care System with a focus on Posttraumatic Stress Disorder and Substance Use Disorders. Dr. Torres is passionate about working with underserved communities and helping those who have been impacted by trauma, particularly those who have experienced sexual assault and other forms of abuse. Dr. Torres also enjoys working with adults who struggle with depression, anxiety, grief, insomnia, and relationship difficulties. She has experience providing evidence-based trauma-focused interventions and skills-based therapies. Her ultimate goal in treatment is to help individuals build on their coping resources and reconnect with the things that bring them meaning in life. Dr. Torres is fluent in English and Spanish.


Dona Tversky, MD, MPH – Psychiatric Consultant

Dona Tversky, MD, MPH - Psychiatric ConsultantDr. Tversky completed her undergraduate degree at Yale College in Connecticut, and then proceeded to obtain a Masters in Public Health at the University of the Western Cape in Cape Town, South Africa. After several years doing research in the social sciences, Dr. Tversky returned to California to pursue her medical degree at Stanford University, and then completed her Psychiatry residency between UCSF and Stanford. Dr. Tversky has advanced training in attachment-based and trauma-informed psychotherapies, and has worked in a variety of hospitals and outpatient settings. Outside of Ravenswood, Dr. Tversky has her own psychotherapy practice, and also teaches psychotherapy to the psychiatry residents at Stanford Hospital. She is an active Board member for Peninsula Health Care Connection which oversees a clinic for people experiencing homelessness. Dr. Tversky loves helping people make sense of their minds and their experiences, and sharing the tools psychiatry has to offer, in the service of living a meaningful life.


MayView Providers

Richard De La Garza, LCSW – Staff Behavioral Health Therapist

Richard De La GarzaRichard is a Licensed Clinical Social Worker. After completing his undergraduate degree at San Jose State University, he earned Master degrees in Public Administration and Social Work at Columbia University. He specializes in PTSD and polytrauma and brain injury rehabilitation and brings extensive experience working with armed forces and veterans. He is fluent in English and Spanish.


Sasha Liu, LMFT – Staff Behavioral Health Therapist

Sasha LiuSasha received her degree in Counseling Psychology with a focus in Marriage and Family Therapy from the University of San Francisco. She enjoys working with children, families, and adults with a solution-focused and client-centered psychotherapy approach. Her specialties include stress, depression, anxiety, PTSD, and single parenting. Outside of work, Sasha enjoys hiking and Zumba. She is fluent in English and Mandarin.


Victoria Stanton, MD – Psychiatrist

Dr. Stanton[Bio coming soon.]





Lucia Tanassi, LCSW – Staff Behavioral Health Therapist

Lucia TanassiLucia is a Licensed Clinical Social Worker with training in Cognitive Behavioral Therapy and Contemplative Psychotherapy. Lucia has practiced social work since 2010 in different settings including intensive care units, liver transplant, hospice, palliative care, and behavioral health. Lucia also has extensive training and experience in medical ethics, advance care planning, and goals of care conversations. In her free time, Lucia enjoys traveling, trekking, painting, and spending time with family. Lucia is fluent in English and Italian.