Associate Professor Greg Calligao is a senior specialist in the Division of Pulmonology at Groote Schuur Hospital (GSH), and a research co-ordinator at the Centre for Lung Infection and Immunity of the University of Cape Town Lung Institute. He completed a Fellowship in thoracic transplantation at St. Vincent’s Hospital, Sydney in 2016, has helped to establish an extracorporeal membrane oxygenation (ECMO) service at GSH and is the medical lead of the heart and lung transplant service. He currently is serving as the Chair of the Heart and Lung Committee of The Transplantation Society and is an Executive Committee member of the South African Thoracic Society. His clinical work focuses on interstitial lung diseases, lung transplantation, cystic fibrosis, and pulmonary vascular disease.