Stephen MacMahon is Principal Director and founder of The George Institute for Global Health a Sydney-based research centre now ranked among the top ten research institutions worldwide for impact (Scimago 2011-2014) For his research on the management of  cardiovascular diseases, MacMahon has received many awards from learned societies worldwide. He holds professorial appointments at the University of Sydney and the University of Oxford, and in 2012 was appointed as a Fellow of the Australian Academy of Science (FAA) and the British Academy of Medical Sciences (FMedSci). In 2013 he was named EY Social Entrepreneur of the Year.