Dr Roberts was born and raised in New Zealand. He trained as a dentist at the University of Otago, New Zealand, graduating in 1992. He then worked as a dentist for many years in New Zealand, Great Britain, Indonesia and Canberra.
In 2000 he gained a fellowship of the Royal Australasian College of Dental Surgeons. In 2002, he moved to Perth to undertake his specialist training at the University of Western Australia to become an orthodontist. He completed a three-year full time Masters in Dental Science degree, before moving to the Illawarra where he worked as an orthodontist.
Since 2010 he has loved improving the smiles of countless children, teenagers and adults in Bankstown.