Prof MacKay completed his Fellowship in Otolaryngology and Head and Neck Surgery in 2006 and went onto complete a Fellowship in Airway Reconstruction Surgery for Snoring and Obstructive Sleep Apnoea in 2007. He has been in private practice since 2008. Prof MacKay offers general adult and paediatric ear, nose, throat and head and neck assessment and surgical services. He is one of the most recognisable surgeons for sleep apnoea and snoring after his fellowship mentor, Dr Samuel Robinson.