Dr Simon Kennon qualified from Manchester Medical School in 1992. He completed general medical training in and around London (Royal Free Hospital, Southend General Hospital, Newham General Hospital and the London Chest Hospital) before training in general & interventional cardiology at St Bartholomew’s and the London Chest Hospitals. His training continued with a fellowship in interventional cardiology at St Vincent's Hospital, Melbourne, Australia.

He was appointed as a consultant cardiologist in 2005. In the NHS he is based at the Barts Heart Centre, St Bartholomew’s Hospital and also has outpatient clinics at the Royal Free Hospital and Barnet Hospital. The Barts Heart Centre is the largest cardiac unit in Europe with the largest TAVI programme in the UK

His private practice is based at the Wellington Hospital, the King’s Oak Hospital and Elstree HCA Waterfront outpatient centre. He performs the following procedures: TAVI (transcatheter aortic valve implantation), coronary angriograms, percutaneous coronary intervention (PCI – balloon and stenting procedure) angioplasty and stenting, ). These procedures are undertaken at the Wellington Hospital and the Barts Heart Centre.

Dr Kennon is experienced in the management of all general cardiology conditions including palpitations, chest pain and high blood pressure. He has particular expertise in the assessment and treatment coronary artery disease and aortic stenosis. He is an experienced TAVI operator having set up and led the TAVI programme at the London Chest Hospital. He nowleads the TAVI service at the Barts Heart Centre. He is an experienced interventional cardiologist performing coronary interventions in both elective and emergency settings.

Dr Kennon was appointed editor-in-chief of "Interventional Cardiology Review" a thrice yearly journal published by Radcliffe Cardiology in January 2014. The journal publishes review articles written by experienced and eminent cardiologists generally reviewing available research data on a particular issue as well as providing practical clinical and procedural advice. The journal has gained PubMed citation status during his editorship.

His research interests include TAVI, aortic valve disease and acute coronary syndromes, about which he has published many scientific papers. He lectures at national and international meetings and has performed coronary angioplasty live for training purposes at international meetings both in Europe and America (EuroPCR, TCT).

In his free time he swims, skis, reads (history, wine) and provides a remarkably efficient taxi service for his children.