Dr Toni Lindsay is a Senior Clinical Psychologist who has been working with both adults and adolescents in an oncology setting since 2007. She works at Chris O'Brien Lifehouse in the Oncology service and is a specialist in the care of Adolescents and Young Adults with cancer. Toni teaches in the Department of Adolescent Medicine at the University of Melbourne and the University of Sydney Nursing School. She is the chair of the International Psycho-Oncology for Adolescent and Young Adult Cancer Care Group and is actively involved in several multisite research projects.She has published five books. ‘ACT at the End – Using Acceptance and Commitment Therapy at the end of Life’ and ‘Everything Anxiety Told you is a Lie’ have both been released in 2024. All her books, including 'The Certainty Myth' (2022), ‘Cancer, Sex, Drugs and Death’ (2017) and ‘The Cancer Companion’ (2021) are about the use of Acceptance and Commitment Therapy (ACT). She is an AHPRA approved supervisor and provides clinical supervision for both psychologists and other health professionals.