Dr Keen graduated from St Mary’s Hospital Medical School in 1988. After his general professional training in London and Sheffield, he started specialist training in Rheumatology at Northwick Park. He then moved to work with Professor Tim Spector at St Thomas’ Hospital, London. He was awarded a Clinical Research Fellowship by Arthritis Research UK, and completed his PhD examining the genetic epidemiology of postmenopausal osteoporosis. He was appointed to the Royal National Orthopaedic Hospital in 1999. Dr Keen is Director of the Metabolic Bone Disease Centre and heads a team involved in the clinical care of patients with a wide range of bone diseases.
Dr Keen holds a number of key national and international appointments. These include:
- International Executive Council on Clinical Care and Treatment of Fibrodysplasia Ossificans Progressiva
- Adult Metabolic Bone Disease lead for the Musculoskeletal GeCIP Domain of the 100,000 Genome Project run by NHS England
- Panel member for the James Lind Alliance, examining unmet clinical need and research priorities in metabolic bone diseases.
- Medical Advisory Board member of the Brittle Bone Society