He obtained his medical degree from the Royal College of Surgeons (National University of Ireland) and went on to complete his internal medicine and respirology training in Ireland. Subsequently, he completed sub-specialty clinical training in weaning, home mechanical ventilation and sleep medicine at Guy’s and St. Thomas’ Hospitals in London, before taking up a staff position there. He was the inaugural recipient of the Peter Macklem Joint Fellowship award from the Canadian Thoracic Society and the European Respiratory Society in 2012, which facilitated his move to the University of Toronto where he completed a 3 year clinical research fellowship. His clinical and research interests are in the pathophysiology and treatment of sleep apnea in renal and cardiovascular disease.