A/Prof George Matalanis is renowned for his pioneering work in aortic arch surgery without circulatory arrest. He is the Director of the Cardiac Surgery Unit at Austin Health which is one of Victoria's largest health care providers and he is internationally respected for this work. The Cardiac Surgery Unit at Austin Health offers special expertise in coronary bypass graft surgery, cardiac valve surgery, aortic surgery, advanced aortic and mitral valve repair, minimally invasive mitral valve, tricuspid valve and ASD surgery and all aspects of acute and chronic thoracic aortic disease including both open and stent graft repairs.