Christopher Bowles is an artificial heart specialist based at Harefield Hospital with over three decades’ experience of mechanical circulatory support. He was instrumental in establishing the circulatory support programme at Harefield Hospital in the late 1980’s, the largest programme in the UK and has used 19 different assist devices for patient treatment. Dr Bowles has an active clinical research interest, is author of 60 peer review publications and is an Honorary Research Associate of the Department of Bioengineering Department of Imperial College London. Current research activities include the analysis of the acoustic properties of rotary left ventricular assist devices (LVADs), the interaction between the left ventricle and the LVAD and myocardial recovery. Dr Bowles previously chaired a national consortium which has developed guidelines for ambulance clinicians for the management of emergencies in LVAD recipients in the pre-hospital setting. He consults widely to industry and performs due diligence on behalf of potential investors in medical device companies.