David has been a qualified Agent since 1987. He spent his first years with Michael Howard QC MP in Folkestone. Following that he was agent in Hornsey & Wood Green, Braintree and Finchley & Friern Barnet prior to its abolition in 1995. From 1995 to 2000 David was Agent to Hampstead and Kilburn, before being asked to move to Central Office to run the Party's 'Geneva' Call Centre.
In 2009 David returned to being Agent at Hampstead and Kilburn Conservatives. In 2019 he was awarded the MBE in the New Years Honours list. https://www.hamhigh.co.uk/news/veteran-camden-politicians-david-douglas-and-theo-blackwell-made-mbe-3613944