Dr Chua came to Singapore and was appointed as an AST registrar in cardiothoracic surgery in NUH in 2011. He exited from the programme with the FRCS C-Th (Edinburgh) in 2015. Upon entering the specialist register, he joined the National Cancer Centre Singapore as thoracic surgeon (Associate Consultant). In 2018, he went to do his fellowship in thoracic surgery in Toronto, funded by Singapore’s ministry of health. While in Toronto, he was awarded full funding by Toronto General Hospital for a second fellowship in lung transplant surgery. Toronto performed the first successful human lung transplant in the world in 1983 and is currently the largest lung transplant centre in the world. He returned to Singapore and joined the National Heart Centre Singapore as a Consultant, and Thoracic and Lung Transplant Surgeon in November 2020. He is currently Senior Consultant at Department of Cardiothoracic Surgery. He is also the Director of Lung Transplant Programme at NHCS.