Dr Marshall has practised as a specialist orthodontist for over twenty years and as a result enjoys extensive clinical experience. He completed a Bachelor of Dental Surgery degree at Sydney University with a Commonwealth Scholarship. He then practised as a dentist in North Sydney for some years before completing a Masters degree in Orthodontics at the University of Sydney, which requires both intensive clinical studies and research. Dr Marshall's special interest in facial growth led him to complete a further specialist degree in orthodontics at the Oregon Health Sciences University Portland USA. This faculty is an integrated medical, dental and nursing school with an outstanding international reputation for clinical excellence. Dr Marshall teaches in the graduate orthodontic department at the University of Sydney and has received several prestigious clinical awards from his professional peer group. Recently Dr Marshall's focus has been on developing Invisalign clinical protocols. The new era of digital based NO BRACES orthodontics. Dr Marshall is a Platinum Provider of Invisalign and is actively involved in mentoring fellow orthodontists. Dr Marshall supports the community by sponsoring art and Performing Arts Awards in local schools. He has a healthy ethos, which reflects in his hobbies that span soccer, yoga, mountain biking and anything aquatic. He also enjoys a fine meal in an excellent restaurant.