Medical Directors


Dr. David Stephen Grant, FRCP, FRCR


David did his undergraduate training at the University of Sheffield Medical School and his Radiology training at University College and the Middlesex Hospitals. He 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 in 1993-1997 and again in 2004-2008. He became Associate Medical Director 2008-2011 and became Chief Information Officer in 2011.

David retired from his substantive NHS post in July 2013.

Married with three children, his professional interests include PACS and teleradiology. He is a former member of the Pan London PACS Board 2003-2005 and the National Clinical Reference Panel for Connecting for Health.

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. He introduced new concepts such as voice recognition technology, managed equipment services and the introduction of a collaborative interventional radiology service. He has given clinical advice in the current Electronic Patient record and RIS/PACS and vendor neutral archive (VNA) implementations at the Whittington NHS Trust and has implemented a total of 4 RIS/PACS systems in both the NHS and private sectors.


Dr. Ben Timmis, FRCR

BTDr Timmis, FRCR, qualified in 1975, and became a consultant radiologist at The Whittington Hospital NHS Trust in 1985. In 1987 he was appointed Director of Imaging and Head of Department. In 1990, he was elected as Chairman of the Medical Advisory Staff Committee. He became the first Medical Director of the Whittington Hospital NHS Trust in 1992, a post he held for 5 years. He had a special interest in vascular, interventional and GI radiology up to his semi-retirement from the NHS in late 2010.

Dr Timmis is also lead consultant radiologist and Director of Imaging at the Hospital of St. John & St. Elizabeth in London, and a consultant radiologist at The Wellington Hospital, also in London. He is also Medical Director of 4Ways Health Care Ltd.

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