Tammi Van Hollander, LCSW, RPT-S™, is a renowned speaker, trainer, and clinical social worker with over 25 years of experience. Specializing in attachment, sandtray play therapy, and sensory integration, she holds a Master of Social Work from the University of Pennsylvania and extensive training from the Family and Play Therapy Center in Philadelphia. A certified advanced trainer for the Nurtured Heart Approach® and founding board member of the World Association for Sand Therapy Professionals, Tammi’s published works include Casey’s Greatness Wings and The Bibliotherapy Toolkit: 100+ Creative and Playful Story-Based Interventions. She created Casey’s Greatness Sticks and Cards, teaches virtual Sandtray classes, co-taught the inaugural Sandtray therapy class in China, and delivered a TEDx Talk, Stories in the Sand: Healing Trauma, Anxiety and Grief, in October 2023.

Speaker Disclosures:
Financial: Tammi Van Hollander is the owner of Main Line Therapy, LLC. and has employment relationships with the Expressive Arts Therapies and the Mid-Atlantic Play Therapy Institute. She receives royalties as a published author. Tammi Van Hollander receives a speaking honorarium and recording royalties from PESI, Inc. She has no relevant financial relationships with ineligible organizations.
Non-financial: Tammi Van Hollander is a member of the Association for Play Therapy and the National Association for Social Workers. She is a board member of the World Association for Sand Therapy Professionals and a program committee chair for the Specialists of Schools.