He was appointed consultant cardiologist at the University Hospital of Wales in 2005 where he leads the advanced heart failure and cardiomyopathy programme for South East Wales acting as a referral centre for heart muscle diseases, pulmonary hypertension, metabolic cardiomyopathies, neuro-muscular cardiomyopathies, chemotherapy-cardiomyopathies, and structural inherited cardiac conditions. He has implanted >3,000 biventricular pacing devices, performed >5,000 angiograms/right heart studies, and >150 endocardial cardiac biopsies. He has an interest in the athletic adaptation of the heart and currently sits on the English Football Association cardiac consensus panel.
He has maintained an academic interest, and to date has supervised 7 MD/PhD fellowships and has served as the principal investigator in >35 multi-centre clinical trials, including acting as the UK chief investigator in >5 studies. He has generated academic funds in excess of £1million, authored >100 high impact publications, including co-authorship of a recent publication in the New England Journal of Medicine describing the outcomes of screening adolescent footballer players. He was awarded an honorary chair at Cardiff University in 2018.
He is proud to be a founding member of the pacemaker-reuse task force of the Pan-African Society of Cardiology and regularly participates in pacemaker workshops in developing cardiac centres in Africa. He is keen to share his experiences of cardiac screening for the English Premier league with the African community.