Professor Sandra O'Toole is a Senior Staff Specialist pathologist at Royal Prince Alfred Hospital, Clinical Professor at Sydney Medical School (Sydney University) and a visiting scientist at the Garvan Institute of Medical Research. She is a fellow of the Royal College of Pathologists of Australasia in Anatomical Pathology including scope of practice in molecular pathology, and gained her PhD from the University of New South Wales in 2008. She has particular research and clinical expertise in breast cancer, lung cancer and melanoma as well as in immune biomarkers and molecular pathology.