Meet the Social Services Staff

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specialty, compassionate counseling

Social Services Counseling Staff

The UHS Social Services Counseling staff provides compassionate, specialty counseling. Support services include alcohol and other drugs, chronic medical conditions and new diagnoses, eating disorders and body image, medical withdrawal administration, nutrition, pregnancy resources and referrals, relationship violence, stalking, sexual health, sexual violence, and victims of crime.
Our counselors provide education, counseling, advocacy, referrals, and assistance with academic, financial and related issues that may arise as a result of the above. 

Counselors

Justin Castello, PhD

Licensed Psychologist

Pronouns: he/him/his 
Justin Castello, PhD, is a Licensed Clinical Psychologist within UHS Social Services where he's served Berkeley students since 2016. He provides individual and group counseling on alcohol and other drug use and related mental health concerns from a Harm Reduction Therapy perspective. He also supports students who have survived trauma including sexual violence, intimate partner violence, and stalking and harassment, as well as those who have caused related harm. Justin's work with Berkeley students is very client-centered, tailored to their needs, collaborative, and respects their self-determination.  
 
Before joining UHS, Justin was the program/intake coordinator and a harm reduction psychotherapist at The Harm Reduction Therapy Center (a nonprofit with community programs and private practices in the SF Bay Area) for 8 ½ years. He's provided therapy (individual, couples, family, and group) in many settings including The Homeless Youth Alliance for transitional aged youth in the SF Haight, E.C. Reems K-8 Charter School in East Oakland, Hospitality House/a community program in the SF Tenderloin, and Pretrial Diversion of SF County. Justin has also provided therapy for people in a locked acute mental illness facility, a social rehabilitation home, and in SF and East Bay private practice offices. He's presented workshops and trainings on Harm Reduction and Harm Reduction Therapy Alcohol and Other Drugs Group facilitation and has over 15 years of experience in the field. 

Clinical Interests: Harm reduction therapy, alcohol and other drugs counseling, trauma counseling, couples and family counseling, multicultural/intersecting identity issues, and LGBTQ+ issues.  

Maayan Greene, LCSW

Licensed Clinical Social Worker  
Maayan Greene joined the UHS SOS team in 2013. She received her MSW from UC Berkeley. Maayan also currently works in private practice and at UCSF Benioff Children's Hospital as a psychiatric social worker. She enjoys swimming and hiking in her spare time. 

Clinical Interests: Eating disorders, trauma issues, healthy relationships, identity development, mindfulness practices (including MBCT and DBT techniques), depression and anxiety, and wellness and self-care. 
Tiffany Hsiang Lin, LCSW

Tiffany Hsiang Lin, LCSW

Licensed Clinical Social Worker 

Tiffany Hsiang Lin first joined UC Berkeley as a student, receiving her BA in Ethnic Studies and Sociology. She then went on to earn her masters degrees in Social Work at Columbia University and Social Science at the University of Chicago. Tiffany returned to UC Berkeley in 2015 as the first dedicated Confidential Advocate at the PATH to Care Center. She's also part of the UHS Transgender Care Team. In her spare time, Tiffany enjoys knitting, cooking, jigsaw puzzles, and video/board games. 

Clinical interests: trauma (EMDR trained), sexual/intimate partner violence, LGBTQ care, vicarious trauma and burnout, identity development, family systems, social justice, and multicultural/intersectional counseling.
Shanta Jambotkar, LCSW

Shanta Jambotkar, LCSW

Licensed Clinical Social Worker 

Pronouns: she/they

Shanta Jambotkar, LCSW, has worked at UHS Social Services since 2016. She self-identifies as a South Asian American, queer, cis-woman of color. Her social work education at the University of Michigan is blended with clinical training about body, mind, and spirit healing after trauma. Shanta is a social worker, psychotherapist, educator, and organizational consultant. A primary focus of her practice is to decolonize wellness by creating community and accessibility to healing for BIPOC. Her services are holistic, cultural, and indigenous informed to support communities experiencing intersectionality, and queer and trans people enduring adversity. Shanta is honored to witness and support students to access material resources, build self-awareness and insight, and find pathways toward calm, purpose, and joy.

Clinical Interests: Healing after trauma, EMDR treatment, sexual violence and intimate partner violence survivorship, health conditions, LGBTQI, non-binary, and BIPOC women, immigrant, and next-generation SSWANA communities.

Raquel Castellanos Miller, LCSW

Assistant Director of Social Services
Erin O'Connor LCSW

Erin O'Connor, LCSW

Licensed Clinical Social Worker 

Pronouns: she/her/hers 

Erin O’Connor, LCSW, joined UHS in 2020 as a Trauma and Health Concerns Clinical Social Worker. She previously worked as an outpatient therapist and trauma specialist at a community non-profit in Michigan. Erin’s educational background is in psychology and clinical social work and she deeply values holistic healing that centers the mind-body connection, affirms our intersecting identities, and acknowledges the impacts of oppressive systems on individual and collective wellness.

Erin is nationally certified in Trauma-Focused Cognitive Behavioral Therapy (TF-CBT) and the Trauma-Conscious Yoga Method (TCYM) and is trained in Mindfulness-Based Cognitive Therapy (MBCT) and Body Trust. She is also an Accredited Certified Practitioner of Emotional Freedom Techniques (EFT Tapping), trauma-informed practices that integrate acupressure with elements of psychology and neurobiology to reduce the emotional and somatic impacts of stress.

Erin has traveled to five continents and enjoys yoga, hiking, writing, playing board games, and sharing home-baked desserts with loved ones.

Clinical Interests: Trauma, sexual and relationship violence, mindfulness, mind-body healing, chronic illness, body image & Body Trust, disordered eating, EFT Tapping, Muslim mental health, decolonized frameworks for wellness.

Robin Walley, LCSW

Licensed Clinical Social Worker 

Interim Post-MSW Fellowship Coordinator

Pronouns: she/her/hers
Robin Walley, LCSW, joined the Social Services team in 2003. She received her MSW from UC Berkeley and her BA in Psychology from Pomona College. As the alcohol and other drug counseling team lead, Robin has been a steadfast advocate for a cross-UHS harm reduction orientation and motivational interviewing-informed practice, which has impacted the language used at UHS to talk about alcohol and other drugs, the services provided to students, and how UHS collaborates with campus and community partners.
Clinical Interests: Alcohol and other drugs counseling, harm reduction, motivational interviewing, LGBTQ+ experiences, polyamory and consensual non-monogamy, kink/BDSM, self-injury, sexual and racial identity development, and identity intersectionality. 
Hez Wollin, LCSW

Hez Wollin, LCSW

Licensed Clinical Social Worker 

Pronouns: they/them/theirs

Hez Wollin LCSW joined Social Services and focuses on AOD and Trauma. Hez received their MSW from Smith College School for Social Work. Hez is also in the process of becoming a Somatic Experiencing Practitioner. They have many years of experience working with LGB and transgender communities and have led trainings on providing gender-affirming care for mental health providers. Hez was formerly an adjunct instructor at the University of Washington School of Social Work and a clinician at UCSF Alliance Health Project. Hez aims to provide trauma-informed, holistic, embodied support while holding a decolonizing lens.

Clinical Interests: relational-cultural therapy, healing from PTSD and complex trauma, attachment, somatics, LGBTQ+ and gender-affirming care, perinatal mental health, undocumented communities, harm reduction, intersections of identity, and mental health/substance use.  In their spare time, Hez enjoys reading fiction, making pottery, riding their bike, and running around after their toddler.

Additional languages spoken: Spanish 

1st Year Post-MSW Clinical Social Work Fellows

A Post MSW Clinical Social Work Fellow is Pictured

Miyanna Clements-Williamson, MSW

Pronouns: She/Her/Hers

Miyanna MSW, ASW is a 1st-year Post-MSW Clinical Social Work Fellow. She graduated from Kennesaw State University with a BS in Integrative Studies and a minor in Psychology. She received her MSW from Kennesaw State University, where she focused clinically on working with Basic Needs Support, Foster Youth, and Veterans.

Before joining UHS, MIyanna Interned at Cares located in Kennesaw, GA where Miyanna had the opportunity to provide case management to college students. She would focus on partnering with students to meet their goals to sustainably uphold their basic needs. Miyanna also interned at the Atlanta VA located in Atlanta, GA where she also had the opportunity to provide multiple modalities to Veterans in an individual and group context.

Clinical Interests: Christian mental health, trauma-informed care, foster youth identity, eating disorders and body image, depression, person-centered therapy, and self-compassion.
A Post MSW Clinical Social Work Fellow is Pictured

Hannah Thurau, MSW

Pronouns:She/Her

Hannah (she/her) graduated from the University of Wisconsin-Madison with a bachelor’s in Psychology, bachelor’s in Social Work, minor in Criminal Justice, and Master’s of Social Work. With an emphasis on clinical mental health, Hannah has provided care to survivors of trauma, incarcerated individuals, and older adults throughout her education.

Before coming to Cal, Hannah served as a Crisis Intervention Advocate at Domestic Abuse Intervention Services (DAIS) in Madison, WI, where she focused on harm reduction, safety planning, and outreach for a variety of individuals experiencing intimate partner violence, including unhoused, LGBTQIA+, and systems-impacted folks of all ages. At DAIS, Hannah also trained new staff and community members on intimate partner violence within queer communities and Trauma-Informed Counseling.

Hannah has also worked at the Dane County Jail in Wisconsin as a mental health clinician providing counseling and discharge planning services to incarcerated folks. There, she was shown that human connection, feeling heard and understood, and mutual trust and respect are essential for fostering a comfortable and safe therapeutic relationship.

Hannah’s work is characterized by continuous growth in understanding that our complex identities are shaped by our experiences and environments. Her background in diverse and challenging care settings reflect her desire to connect with individuals from all walks of life. Hannah identifies as a queer woman who finds joy in camping, cooking for her loved ones, basking in the sun on the beach, and stumbling upon unexpected live music. She is eager to connect and collaborate with individuals seeking growth and healing.

Clinical interests: mindfulness, LGBTQIA+ experiences, processing trauma, healing from sexual assault, journeys to self-love, fostering healthy relationships and communication, and sex therapy.

2nd Year Post-MSW Clinical Social Work Fellows

a 2nd year post-msw clinical social work fellow is pictured

Erin Power, MSW

Pronouns: She/Her 

Erin (she/her) graduated from UC Santa Barbara with a BA in Sociology and a minor in Clinical Psychology. Erin went on to pursue her Master's of Social Work at Boston College with an emphasis in Clinical Mental Health. 

Prior to Cal, Erin worked in the hospital and higher education settings. Erin provided psychotherapy within Primary Care-Integrative Behavioral Health at Boston's largest urban, Level I trauma center hospital. Erin worked with individuals navigating their medical conditions in a diverse population set varying from Bostonian natives to immigrant refugees. Erin's work included a variety of roles: assisting in the diabetes and depression clinic, depression remission and recovery clinic, administering risk assessments, and providing clients with additional resources. 

Erin also worked in the higher education setting providing counseling and case management services to university students. Erin provided support to students returning from medical and personal leave in their transition back to campus. Erin also has experience working at the Koegel Autism Center at UC Santa Barbara working with older adolescents (late teens, college students) with autism focused on building social skills, life skills, and managing mental health challenges. 

Erin identifies as a multi-ethnic, Filipina American who enjoys traveling and exploring the outdoors. In her free time, you can find Erin taking dance classes, going to thrift stores, attending live music events, or painting at home with a cup of tea. 

Clinical interests: multicultural counseling, intersecting identities, identity development, addressing systemic barriers in institutions, health conditions, eating disorders, self-esteem, anxiety, depression, grief, and creative expression. 
A Postdoctoral Psychology Fellow is Pictured

Sabrina Van Zuiden, MSW

Pronouns: She/Her

 Sabrina (she/hers) attended UC Berkeley as an undergraduate, earning her B.A. in Social Welfare and Sociology with a minor in Hispanic Languages, Linguistics & Bilingualism. She went on to graduate with her Master of Science in Social Work from Columbia University, where she focused her clinical attention on working with LGBTQIA+ clients, students, and survivors of trauma.

Previously, Sabrina worked in her hometown of San Diego, CA as a Sexual Assault and Domestic Violence Counselor focused on increasing prevention, outreach, and advocacy resources for LGBTQIA+, unhoused, systems-impacted, and transitional-aged youth. She regularly provided training for professionals on the topics of Introductions to Intimate Partners, Sexual, and Teen Relationship Violence, Human Trafficking, Empowerment, and Trauma-Informed Care, Cultural Considerations, Power/Privilege/Oppression, Working with LGBTQIA+ Survivors, and Resilience Skill Building. Sabrina also regularly facilitated groups with community members on the topics of Healthy Relationships, Consent, Media and Porn Literacy, Unpacking Gender Norms, Jealousy, Communication, Identity Exploration, Anger, Safety with Technology, and Resilience Skill Building.
 
Sabrina approaches healing work by understanding the relationship that exists between individuals, our communities, and the systems we are raised within. Her professional framework is informed by and continues to develop within the values of anti-oppression, anti-racism, decolonization, transformative justice, disability justice, reproductive justice, body inclusivity, harm reduction, gender equity, and sexual liberation. A few of her clinical interests include mindfulness, somatic-based practices, trauma and survivorship, BIPOC and LGBTQIA+ experiences, intersectional identity exploration, sex therapy, and community-based approaches. 

Sabrina is a queer, multiracial Filipina-American who loves sunshine, karaoke, and her cat, Steven. When not at work, you might find her scoping out thrift stores, growing her vinyl record collection, or taking in a view of the sunset.

Registered Dietitians

The UHS Registered Dietitians provide medical nutrition therapy and nutrition counseling for any UC Berkeley student with nutrition-related health concerns.

Sarah Minkow, MS, RD

Sarah Minkow, MS, RD

Sarah Minkow joined UHS in 2017 as a clinical dietitian. She completed her BA in Psychology with a minor in Exercise and Health Science at UC Santa Barbara (2006) and her MS in Nutritional Science at California State University, Long Beach (2016). Sarah has a clinical interest in nutrition for disease prevention and treatment, mindful eating, and food security.
A Dietician is pictured

Toby Morris, MS, RD

Lead Clinical Dietitian

Toby Morris has been the lead clinical dietitian for students at UHS since 2012. She received her BA in Communication Studies from UCLA, her MS in Nutrition from San Jose State University, and completed her dietetic training at UCSF Medical Center. Toby specializes in eating disorders and mindful eating. 

Social Services Administrative Staff

Kimberley Mims

Kimberley Mims

Medical Withdrawal & Academic Adjustments Resource Specialist

Kimberley Mims is the lead administrative specialist for Social Services. She has been at UHS for 25 years. Throughout her career, Kimberly has worked as a Certified Medical Assistant (CMA) in Primary Care and as an Administrative Assistant in Social Services. Her areas of specialty are medical withdrawals and academic adjustments. One of Kimberly's favorite aspects of her work is connecting with students who have mental and physical challenges, and seeing them overcome those barriers so that they can complete their education. She is dedicated, caring, and skilled, and is beloved by her team and clients. 

Kimberly's hobbies include gardening, walking, and hosting one of her homes for temporary housing to traveling healthcare professionals during the COVID-19 pandemic. She enjoys spending time with her family and friends, especially her son Terrell, granddaughter Avery, and grandson, Zakari.
An Administrative Officer is Pictured

Paola Perez-Stephenson

Administrative Officer
Paola began her career at UHS in 2022 as a medical assistant in Primary Care. She received her B.S. in Molecular and Cellular Biology from Saint Mary's College of California in Moraga. Born and raised in the Bay Area by Guatemalan immigrant parents, she developed a passion for advocating for underserved populations. As an Administrative Officer for Social Services, she enjoys witnessing and assisting students as they overcome adversity to achieve their educational goals. 
In her free time, Paola enjoys watching sports, visiting coffee shops, and spending time with her Persian cat, Nimbus, and her partner.

Topics

Social Services topic page