Book: Casey's Greatness Wings

Greatness sticks

Greatness Sticks

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Greatness Cards

PESI Online Play Therapy  Course
Play Therapy: Attachment-based inteventi
Play Therapy for Young Children
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PESI Tele-Play Therapy


PESI, Inc, Tele-Play Therapy During a Pandemic

Business Talk Radio: Tele-Play Therapy Sessions


The Power of Greatness Sticks" featured in Liana Lowenstein's

Finding Teachable Lessons in Everything We Do


5 Reasons Good Cop/Bad Cop Parenting Does Not Work 11/04/14


10 Life hacks for kids who are scared of the dark


2014 Get lost: How over reliance on digital maps could lead us mentally astray

45 Simple Ways to Be a Great Parent (I'm quoted in tip 37)


2014: Liana Lowenstein Featured Technique: Red Light/Green Light Activity


December 13, 2013: Preschoology - Through the Lens of a Play Therapist: Case Studies with Tammi Van Hollander, LCSW, RPT


Contributor of Chapter: Counter- Conditioning Fears: The Therapeutic Powers of Play: 20 Core Agents of Change, 2nd Edition in collaboration with the top play therapists in the world.


March 2013 Child Therapy Toys published my Mancala Feelings Stones intervention on their blog;  Play & Child Therapy Blog sponsored by


February 5, 2013: Play Therapy Rocks: Guest Blogger/ St. Louis Center for Play Therapy Training


September 2012: Play Therapy Magazine: Volume 7, Issue 3  A Quest for Home: A Powerful Theme in Play Therapy, co-authored by Tammi Van Hollander, LCSW, RPT and David A. Crenshaw, PhD, ABPP, RPT-S. 


2011: Tammi’s creative interventions have been published in Liana Lowenstein’s book Assessment and Treatment Activities for Children, Adolescents, and Families VOLUME 3: Practitioners Share Their Most Effective Techniques


2011: Dr. Lowenstein has also published Tammi’s article “How to Play with your Child” as a parent resource for her website and to be included in her ebook.


2011: Tammi contributed two videos to Fun and Function’s Special Needs E-Guide Managing Transitions and Special Needs: Parents' e-Guide


On November 8, 2011 - Fun and Function interviewed Tammi as The Featured Professional focusing on children with special needs. 


Featured in Metrokids: Therapists Use Play to Heal Hidden Hurts by Holly Swanson, Published in  MetroKids and Special Kids editions