Meredith Irwin, MD was appointed Chief of Paediatrics (Hospital for Sick Children) and Chair of the Department of Paediatrics (University of Toronto) in 2020. She received her MD from Harvard Medical School and completed training at Boston Children’s Hospital and Dana-Farber Cancer Institute. She joined Sick Kids as a Clinician-Scientist Oncologist in 2002. Her research focuses on genes and pathways involved in the childhood cancer neuroblastoma. As Chair of the Neuroblastoma Biology committee of the Children’s Oncology Group Dr. Irwin leads the identification of biomarkers and optimization of risk classification and precision medicine clinical trials for patients in North America.