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Brandon Fonseca, LCSW

Psychotherapist

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Brandon Fonseca, LCSW, is a clinical social worker whose practice is rooted in equity, empathy, and empowerment. Known for his calm presence and collaborative style, he creates a safe, nonjudgmental space where clients can reflect, heal, and reconnect with their inner strengths. His work is guided by cultural humility, authenticity, and a deep belief in the transformative power of compassion and connection.

Brandon specializes in trauma‑informed, integrative care, drawing from Cognitive Behavioral Therapy (CBT), Motivational Interviewing (MI), Psychodynamic Therapy, and Strengths‑Based Approaches. He supports clients in building healthy coping strategies that enhance emotional regulation, insight, and self‑awareness. Sessions balance warmth and practicality, offering clear, collaborative feedback while adapting to each client’s needs and values.

His clinical experience spans community‑based housing programs, public school systems, behavioral health organizations, and private practice settings. Brandon has supported individuals facing housing instability, co‑occurring disorders, trauma, and a wide range of mental health concerns. Across all settings, he brings a grounded presence, strong clinical documentation skills, and a commitment to helping clients navigate life’s challenges with clarity, confidence, and a renewed sense of agency.

SPECIALTIES

  • Men's Issues

  • Narrative and Solution-Focused Therapy


  • Cognitive Behavior Therapy

  • Motivational Interviewing

  • Anger Management

  • Anxiety and Depression

  • Grief

  • Children, Teens, Young Adults, Adults

  • School-Based Issues


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Get in Touch

626-206-3139 

Connect with us: (626) 206-3139 
595 E. Colorado Blvd. Suite #433 Pasadena, Ca., 91101
3191 Temple Ave. Suite #150, Pomona, Ca., 91768

© 2026 Sandbox Family Services. All Rights Reserved

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