Dr Leong is the Director of Interventional Pulmonology at Austin Health in Melbourne and Respiratory Clinical Lead in Lung Cancer. She is a senior clinical lecturer in the University of Melbourne and is a Clinician Scientist at the Olivia Newton-John Cancer Research Institute, and is a founder of the TRACKER lung cancer biobank. She is the Chair of the Lung Cancer Working Party for the Thoracic Society of Australia and New Zealand, and Chair of the Early NSCLC Group in the Thoracic Oncology Group of Australasia. Her key interests are in optimisation of bronchoscopic lung cancer samples for translational research, and in the discovery of novel biomarkers and therapeutic approaches to overcome immunotherapy resistance.