Dr Mariannick Le Guen is a Fellow of the Royal Australasian College of Physicians specialising in Respiratory and Sleep Medicine. She graduated from Monash University in 2000 and completed her physician training at Southern Health, the Geelong Hospital and Austin Health. Dr Le Guen has training and experience in general respiratory medicine, sleep disorders and complex modes of ventilatory support. She is involved in teaching and mentoring junior doctors.

Dr Le Guen’s experience includes all areas of sleep medicine, including sleep apnoea, narcolepsy, restless leg syndrome, circadian rhythm disorders, parasomnias and insomnia. She is involved in research investigating obstructive sleep apnoea in patients with quadriplegia.  She is a member of the Thoracic Society of Australia and New Zealand as well as the American Thoracic Society.