Associate Professor Katy Bell (MbChB, MMed (clin.epi., merit), PhD) is a NHMRC Emerging Leadership Fellow (EL2) in the School of Public Health, at The University of Sydney. She teaches and researches on the potential benefits and harms of medical tests used for screening, diagnosis and monitoring chronic disease, with a focus on cancer and cardiovascular disease. She has over 60 publications and holds NHMRC grants for health services research on the use of tests for early detection of cardiovascular disease and cancer, especially melanoma. Prior to becoming a clinical epidemiologist, she worked for six years as a medical doctor, including two years of pathology training. She is a past Vice President of the Australasian Epidemiological Association.