Carolyn (Caz) Hynes is a Registered Play Therapist (RPT™), current Chair of APPTA, and founder of We Speak Kid in Hobart. With over 20 years of experience across schools, disability, private practice, and medical and nursing contexts, including 17 years nursing across mental health, burns, and leadership roles, Caz brings an unusually broad clinical foundation to her Play Therapy practice. She holds dual undergraduate degrees in psychology and nursing, a Master of Child Play Therapy, and maintains registration with APPTA and PACFA, alongside individual membership with IC-PTA. Caz can also be found on LinkedIn as Carolyn Hynes. 

Mary Jenner, is a nurse, healthcare innovator, and founder of The Butterfly Pig, a company dedicated to transforming children’s healthcare experiences through play-based education and trauma-informed tools. 

Her educational tools are used by over 150 hospitals worldwide, and by tens of thousands of families. 

She is also the host of the Care Rewritten podcast, deepening her mission to end preventable medical trauma in children — not by asking overstretched clinicians to do more, but by redesigning the systems around them. 

Rachel is the Founder and Principal of Global Play Lab, a purpose driven organisation she formed this year with a collective of like minded play, learning, assessment and engagement experts who are passionate about building systems that support children to achieve and thrive. She is also Voice of the Child Foundations Lead at the Murdoch Children's Research Institute, where she is responsible for driving the use and development of the Voice of the Child Toolkit . Rachel has over 20 years experience in educational programming and research and has worked in 15 countries for clients including the LEGO Foundation, UNICEF and the Australian Government Department of Foreign Affairs and Trade.