Professor Madeleine King is the Cancer Australia Chair in Quality of Life (QOL) and Director of the QOL Office at the University of Sydney. Over her career, she has specialised in methods to assess, analyse and interpret health-related QOL and other patient-reported outcomes (PROs). She leads the Cancer Australia QOL Technical Services, advising the 14 ANZ Cancer Clinical Trials Groups on best practice for QOL/PROs. She has a long record of leadership in the International Society of QOL Research (ISOQOL), and was its president in 2007. In 2018, Madeleine was awarded a Career Achievement Award in PRO Measures in recognition of the scope and impact of her contributions to setting standards for the adoption of PRO measures in clinical research, promoting the use of PRO measures among health care professionals, and educating clinicians and trialists in PRO principles and methods. She is increasingly involved in initiatives to integrate PROs into routine clinical care.