David was appointed as Consultant Radiologist at the Whittington Hospital in 1988 and held the post of Director of Imaging between 1990 and 2004. 

He became Director of Clinical Services between 1993-1997 and again in 2004-2008. He became Associate Medical Director 2008-2011 and became Chief Information Officer in 2011 retiring in 2013. 

Married with three children, his professional interests include PACS, teleradiology, AI and emerging technologies. He is a former member of the Pan London PACS Board 2003-2005 and the National Clinical Reference Panel for Connecting for Health. During his time in the NHS he introduced new concepts such as voice recognition technology, managed equipment services and the introduction of a collaborative interventional radiology service. He has given advice on the Electronic Patient record and RIS/PACS and vendor neutral archive (VNA) implementations at his previous NHS Trust and has implemented a total of 4 RIS/PACS systems in both the NHS and private sectors. 

David has provided leadership roles in both the NHS and private sectors retiring as Medical Director and Responsible Officer of the Hospital of St. John & St. Elizabeth in 2014.