His advanced cardiology training was at The Prince Charles Hospital, the premier cardiac hospital in Australia where he earned the fellowship of Royal Australian College of Physicians (FRACP) in cardiology. He continued his training as an echocardiography fellow at the same hospital and gained further skills in all aspects of echocardiography including transesophageal, transthoracic and stress echocardiography.

Dr Naing is also a well published clinical academic with an MPhil degree from University of Notre Dame, Australia. He is currently completing a Ph.D. degree by studying novel methods to improve the care for breathless patients. He holds a senior lecturer position at the School of Medicine, University of Queensland. He has public appointments in Caboolture Hospital and The Prince Charles Hospital as a consultant cardiologist.