Professor Diana Sarfati (MBChB, MPH, PhD, FNZCPHM) is National Director of Cancer Control and Chief Executive of Te Aho o Te Kahu, the Cancer Control Agency in New Zealand. Her role is to provide national leadership for, and oversight of cancer control, to provide policy advice to the Government, and to be accountable for ensuring progress towards the goals and outcomes in the New Zealand Cancer Action Plan. Previously Diana was Head of the Department of Public Health and Director of the Cancer and Chronic Conditions (C3) research group at University of Otago, Wellington. She has led a large body of research relating to disparities in cancer outcomes. This work has resulted in the identification of key patient and health system factors that influence cancer survival. It has been used extensively by health policy makers, clinicians and other researchers to develop policies and practices that aim to reduce inequities in cancer outcomes. “Photograph by Virginia McMillan courtesy of New Zealand Doctor”.