Dr Lester graduated from the faculty of Dentistry at the University of Sydney in 1985.
He worked as a general dentist and completed a Fellowship with the Royal Australasian College of Dental Surgeons (FRACDS) in 1993 before returning to the University of Sydney to study a postgraduate degree with the Discipline of Orthodontics. He was awarded the specialist degree Master of Dental Science (Orthodontics) in 1996.
Dr Lester also held the position of Specialist Clinical Associate in the Discipline of Orthodontics at the University of Sydney. He was involved with the Orthodontic Masters post-graduate program for 10 years, training dentists to become specialist orthodontists in a teaching hospital environment.
Dr Lester aims to keep abreast of emerging technologies and advanced diagnostics to improve levels of care.