Sabine Siesling, clinical epidemiologist, is a professor of outcomes Research and Personalized cancer care at the University of Twente and a senior researcher at the Netherlands Comprehensive Cancer Organisation (IKNL). She focuses on the effect of interventions, such as care pathways or implementation of new technologies, on the quality, organization, and outcome of cancer care. She tailors care and follow-up using/developing prediction models that are based on data from e.g. the Netherlands Cancer Registry. She is a board member of the National Breast Cancer Working Group (NABON) the NABON Breast Cancer Audit and PROMS sections, and the European Initiative on Breast Cancer Care-Quality Assurance Development group. Moreover, she leads the program on Women’s Health at the University of Twente.