Dr Tun Myat is a specialist respiratory and sleep physician. After his graduation in 2003, he went to the UK and worked in several NHS hospitals for further post-graduation training. Dr. Myat completed his basic physician training at Liverpool Hospital and completed his advanced training in Respiratory and Sleep Medicine at The Royal North Shore and St George Hospitals. He has extensive knowledge and a special interest in respiratory failure, non-invasive ventilation and worked as a Sleep/Respiratory Failure fellow at Royal North Shore Hospital in Sydney.

Dr. Myat is a visiting physician at Lake Macquarie Private Hospital and Maitland Private. He also worked as a senior staff specialist at Maitland Public Hospital for many years. Due to increasing community demand, he decided to serve the hunter community at his private practice. He is a founder and director of both Hunter Respiratory and Sleep Centre and Maitland pulmonary function laboratory. Dr. Myat is a Conjoint lecturer of South West Sydney Clinical School. He also has a strong affiliation with the Thoracic Society of Australian and New Zealand (TSANZ), Australasian Sleep Association (ASM), American Academy of Sleep Medicine (AASM), and American College of Chest Physicians.

Dr. Myat has a focus on sleep-related breathing problems (Obstructive Sleep Apnoea) and other non-respiratory sleep disorders such as Insomnia, Parasomnias, Circadian rhythm sleep disorder, and Narcolepsy. His respiratory interests include a particular interest in Airway diseases, Pulmonary hypertension, Chronic respiratory failure, Non-invasive ventilation, and Interventional bronchoscopy.