Dr Miranda Smith graduated from the University of Western Australia and then trained locally at Royal Perth Hospital and Sir Charles Gairdner Hospital in Respiratory Medicine.

She subsequently completed subspecialty training in Sleep Medicine and Pulmonary Physiology at the Western Australian Sleep Disorder Research Institute. There, her research included investigating motor neurone disease and non-invasive ventilation. 

As a consultant, Dr Smith currently works at St John of God Subiaco Hospital, providing inpatient and outpatient services in both Respiratory and Sleep specialties.