David is a trustee for the Joseph Rowntree Foundation (JRF). He is the CEO of the Old Oak and Park Royal Development Corporation in west London.
Until January 2021 he was the Executive Director for Housing and Land at the GLA. His earlier roles included London director at the Homes and Communities Agency, director of Urban Policy at the Office of the Deputy Prime Minister in the early 2000s and a leading role in housing and regeneration at Manchester City Council during the 1990s.