Dr. Siobhan Casey is a paediatric occupational therapist and Masters qualified play therapist with 18 years of experience in working with children, their families and teachers in a variety of settings. In 2018, Siobhan was awarded a Doctor of Philosophy under the supervision of Emeritus Prof. Karen Stagnitti. Her research primarily focused on understanding the developmental processes of pretend play and self- regulation in supporting the capacity of resilience. Her prior research included identifying important markers and processes for change, for neurodivergent children participating in Learn To Play. Siobhan has presented on pretend play development at conferences both nationally and internationally and enjoys delivering training to a wide range of audiences. She has previously worked in early intervention community settings, private practice and, both mainstream and specialist development schools. She is passionate about promoting positive social and emotional wellbeing for children through providing services that are appropriate, purposeful, and sensitive to the needs of children and their families. Siobhan has recently co-authored a book ‘Learning Through Play in the Primary School’ and continues to research the role of play in supporting child development and building positive relationships.