Sam Egger is a biostatistician specialising in the epidemiology of cancers, health behaviours, and quality-of-life outcomes for cancer survivors. He has published more than 100 peer-reviewed papers, including publications in the Lancet and other journals in the Lancet family, the BMJ, the Medical Journal of Australia, and the Cochrane Database of Systematic Reviews. His research interests include smoking-attributable diseases and mortality, systematic reviews and their methods, and longitudinal patterns of quality-of-life outcomes for prostate cancer patients. His current research focus is on the relationship between adolescent vaping and cigarette smoking. Sam is an active member of the Cochrane Collaboration and currently serves on the editorial board of the Cochrane Breast Cancer Group.