David  was formerly the National Clinical Director for Primary Care in the Department of Health. He is a member of the All Party Health Group advisory board. David was a GP from 1971 at Castlefields Health Centre Runcorn, retiring in March 2007.  His practice has been leading-edge nationally over the last 10 years or so, pioneering systematic management of long-term conditions employing managed care techniques. 

David has considerable experience in the public sector having spent eleven years as a councillor and formerly senior medical officer at the Scottish Office and Director of Primary care at North West and London Regional offices. He was an advisor to Central Manchester University Hospital from 2004 to 2007. He also has been on many overseas advisory visits specialising in primary care development. He publishes regularly on primary care reform.