Sienna Saillen
Clinical Supervisor & Licensed Clinical Social Worker • California License #106480
Sienna is a Licensed Clinical Social Worker with over 10 years of experience helping children, teens, and families navigate life's challenges with compassion, curiosity, and connection. She believes every child deserves a safe place to be fully seen and understood, and she partners closely with caregivers to support lasting growth both inside and outside the therapy room.
Sienna earned her Master of Social Work from New York University and is a California BBS-approved Clinical Supervisor. She is also certified in PREPaRE Crisis Prevention & Intervention and hold extensive play therapy training by the Association of Play Therapy.
Her work is grounded in attachment-based, trauma-informed care. She specializes in play therapy, expressive arts, and relationship-focused approaches for children ages 4–18. She has extensive experience supporting anxiety, emotional regulation, behavioral concerns, trauma, neurodivergence, school-related challenges, family transitions, and complex family dynamics.
Families appreciate Sienna's calm, grounded presence and her ability to help children communicate through play while partnering closely with caregivers throughout the therapeutic journey.
As Little Dove's Clinical Supervisor, Sienna also mentors fellow therapists and helps ensure families receive thoughtful, high-quality care. She would be honored to partner with your family as you take the next step toward healing, growth, and connection.
Specialized Training Inspiring Our Work
CORE COMPETENCIES
Play Therapy: Child-Centered Play Therapy (CCPT), Synergetic Play Therapy, Sand Tray, Adlerian Play Therapy,
Expressive Arts
Attachment-Based Approaches: Attachment-informed practice, caregiver-child relationship work, co-regulation,
family systems
Clinical Supervision: BBS-Approved (CA), Reflective Supervision, Documentation Review & Approval
Assessment & Diagnosis: DSM-5 Diagnostic Assessment, Biopsychosocial Assessment, Risk & Suicide
Assessment (C-SSRS Certified)
Populations: Children ages 2–18, Adolescents, Families, Neurodivergent Youth, Foster Care, School-Based
Mental Health, Complex Family Systems
Additional: Crisis Intervention, Safety Planning, Trauma-Informed De-escalation, Caregiver Coaching, Group
Therapy Facilitation, IEP Collaboration (ERMHS), Staff Training