Kieron Boyle is Chief Executive of Guy's and St Thomas' Charity, one of the UK's largest charitable foundations and place-based funders. He leads the Charity's efforts to address the complex health challenges of urban, deprived and diverse areas - issues like childhood obesity and the health of people with multiple long-term conditions. Prior to joining the social sector, Kieron led the UK government's work to grow the social investment market. In this role he was the UK representative to the G8 taskforce on social impact investment. Kieron's previous roles were at the Department for Business, Foreign and Commonwealth Office, Prime Minister's Strategy Unit and the Boston Consulting Group. Outside of work, Kieron sits on the Boards of Big Society Capital, the world's first social investment bank, the Design Council and Catch22. He is on the advisory board of the World Policy Institute.