One of the UK's most experienced change agents with a career in improvement spanning over 40 years, David Sheldon shares his impressive leadership journey.From early, instinctive and intuitive problem-solving, to establishing one of the UK's first public sector dedicated improvement functions, and later applying his skills in times of greatest need at the healthcare provider St John Ambulance during the COVID-19 pandemic - we see his real-life hands-on application of the Plan, Do, Study, Act (PDSA) cycle of improvement at the core of all he does.Davids's insight in understanding the customer, the need for pragmatism, and the importance of stakeholder engagement are not to be missed - his story is a great one from which we can all learn.  Enjoy!