Andrew Mitchell is a Consultant Cardiologist at Jersey General Hospital and an Honorary Cardiologist at the John Radcliffe Hospital in Oxford. He studied medicine at the University of Southampton, and is a member of the British Cardiovascular Society, American College of Cardiology, and European Society of Cardiology amongst others. His specialist interests include advanced echocardiography and the non-drug therapy for arrhythmia management. He has published over 130 papers and abstracts on aspects of clinical cardiology. In 2016 he was a finalist for the Cardiology Team of the Year in the British Medical Journal awards. Giovanni Luigi De Maria is a Consultant Cardiologist at the John Radcliffe Hospital in Oxford. After training at the Catholic University of the Sacred Heart in Rome, he worked at the Agostino Gemelli Hospital before moving to the John Radcliffe Hospital in 2013. In 2017 he won a Young Investigator Award at the annual meeting of the British Society of Cardiovascular Interventions (BCIS), and has published over 70 peer reviewed papers. He is a member of the European Society of Cardiology, the European Association of Percutaneous Coronary Intervention, and the British Cardiovascular Intervention Society, amongst others. Adrian Banning is consultant cardiologist at the John Radcliffe University Hospital, Oxford, and currently holds the post of President of the British Cardiovascular Intervention Society (BCIS). He was the Clinical Lead for cardiac medicine, and subsequently the Divisional Director for Cardiology, Cardiothoracic, and Vascular Surgery for the John Radcliffe, and has been the leading investigator for multiple practice-changing trials, including Syntax, Excel, and Horizons. He qualified from St George's Hospital, London in 1987, and obtained Fellowship of the European Society of Cardiology in 2001, followed by Fellowship of the Royal College of Physicians in 2003. He was Assistant Editor to the journal Heart for six years, and has published over 190 peer reviewed papers.