Dr Grant O'Donnell graduated from Sydney University with a Bachelor of Medical Science in 2005. In 2009, graduating with Honours from the University of Sydney in a Bachelor of Dentistry. Following this, Dr O'Donnell worked in regional NSW until 2012 gaining a wide variety of experience, and then subsequently returned to Sydney to join the team at Bella Dental Care. Since returning to Sydney, Dr O'Donnell has completed examinations to achieve both Membership of the Royal Australasian College of Dental Surgeons (MRACDS) in 2013 and then Fellowship in the field of General Dental Practice ((FRACDS (GDP)) in 2016. He has also pursued his greater interests in the field of health more generally and has completed a dual masters degree in Public Health and Health Management from the University of New South Wales in 2014.