Associate Professor Carolyn Nickson is an epidemiologist specialising in the evaluation of cancer screening, diagnosis and treatment, through epidemiological studies, clinical and cost-effectiveness modelling, policy analysis and implementation studies. She heads a research team at the Cancer Elimination Collaboration in the Sydney School of Public Health, also holding appointments at the University of Melbourne and Melbourne Health. In addition to an academic research program she has led numerous government-funded evaluations including the ‘Breast ROSA’ project on behalf of Cancer Council Australia, which explored options for more risk-based approaches to breast cancer screening in the Australian setting.