David has a Degree in Law and a Masters Degree in Environmental Science and was a policy adviser to former Minister for the Environment, John Gormley.
He has served as a Councillor for two periods. During the 1990s he campaigned against the rezonings later investigated by the Mahon/Flood Tribunal. He also promoted the Howth Special Amenity Area Order.
From 2004 to 2009, he was successful in achieving strong energy efficiency standards for new developments, working on local planning issues, and promoting the provision of children’s playgrounds.
He speaks Irish and Esperanto.