Kieron Boyle is Chief Executive of Guy's and St Thomas' Charity - one of the UK's largest charitable foundations. He leads the Charity's efforts to tackle major health and care challenges, champion the role of design for public good, and act as a catalyst for lasting change in Lambeth and Southwark.

Prior to joining the social sector, Kieron worked across the UK government, most recently as Head of Social Investment at the Cabinet Office where he led 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. Outside of work, Kieron is a Trustee both of Design Council and of Catch22, one of the UK’s leading charities; a non-executive director of Big Society Capital, the world's first social investment bank; and on the advisory board of the World Policy Institute. In 2014 he was selected as a Young Global Leader by the World Economic Forum.