This document discusses the challenges facing the sustainability and transformation of the UK healthcare system. It notes the aging population will significantly increase demand, while austerity and efficiency measures are also needed. Sustainability and transformation plans (STPs) aim to reform models of local care delivery to better meet changing needs. New forms of governance may be needed across organizational boundaries and sectors to enable the collective leadership and system-level cooperation required for transformation. The document emphasizes the need for a patient-centered approach and accountability to the public as the healthcare system evolves.