Vish is a clinical cardiologist with an interest in adult congenital heart disease and aortic disease. He did his basic medical training at the Princess Alexandra Hospital and cardiology training at The Prince Charles Hospital. He  completed post fellowship training at The Prince Charles Hospital, Queen Elizabeth Hospital Birmingham (UK) and St Paul's Hospital in Vancouver where he gained experience in Adult Congenital Heart Disease, thoracic aortic disease and Cardiac Obstetric Medicine particularly in relation to young women with congenital heart disease. He also trained in cardiovascular imaging with an emphasis on echocardiogram and trans-oesophageal echocardiograms.