Central to delivering the cancer element in the NHS Long Term Plan, nineteen Cancer Alliances are now established across England to deliver transformational change to improve cancer patient experience and clinical outcomes for the population across defined local geographies. To support this ambitious agenda, the Surrey and Sussex Cancer Alliance, (covering 3.2 million people), has successfully secured significant national transformation funding with which to review, redesign and improve clinical services with a focus on earlier cancer stage diagnosis, shorter waiting times and continuous improvements in holistic and equitable patient care. The role of the Programme Management Office (PMO) is to ensure that there is quality assurance on programmes and projects, and provides structure, process and critical challenge for projects and programmes and to report on progress, key issues and risks to enable key decisions to be made in a timely manner. The PMO aim is to develop a culture of adopting best practice to ensure consistency and clearer visibility for all programmes and projects. To support project delivery by providing advice and guidance on managing projects which will enable successful project delivery within scope, budget and cost. The PMO delivers to Senior Management visibility and insight around the performance, status & health of the Alliance project portfolio through dashboards in order to support effective portfolio decision-making.