Tamar D. Black

Tamar D. Black, PhD, is an educational and developmental psychologist based in Melbourne, Victoria, Australia. She is a school psychologist and runs a private practice working with children, adolescents, young adults, and parents. She has extensive experience providing clinical supervision to both early-career and experienced psychologists. Dr. Black also delivers training on Acceptance and Commitment Therapy (ACT) for practitioners and teachers, focusing on using ACT with children and adolescents and implementing ACT in schools.

Russ Harris is an internationally recognized ACT trainer and bestselling author of the self-help book The Happiness Trap, which has sold over one million copies and has been published in thirty languages. He is widely known for his ability to teach ACT in a way that is simple, clear, engaging, and highly practical.