Mr Stewart trained in General Surgery then Otolaryngology, Head and Neck Surgery in the West of Scotland and in New Zealand and became a Consultant in 2000.
Mr Stewart ran the Head and Neck Cancer service in Otago and Southland, New Zealand from 2000-2003. He then returned to the UK and worked at Leeds Teaching Hospitals for 3 years, specialising in Benign Head and Neck Surgery and Facial Plastic Surgery.
Mr Stewart returned to the West of Scotland in 2006, and now practices as a General Otolaryngologist with an interest in Head and Neck Cancer Surgery.
At Ross Hall, he continues to look after general ENT conditions, but with a special interest in thyroid, parathyroid and salivary gland surgery.