Professor Roger Reddel is a medical oncologist and cancer researcher who is internationally recognised for major contributions to understanding cellular immortality – an almost universal characteristic of cancers – and especially the role of telomere lengthening mechanisms. He also has a medical research leadership role as executive director of Children’s Medical Research Institute, and within many medical research networks including Sydney Health Partners. He is Director of CellBank Australia, and co-director of the Australian Cancer Research Foundation International Centre for the Proteome of Human Cancer, which aims to improve the accuracy of treatment decisions for individual cancer patients.