Andrea completed a Bachelor of Medical Science from the University of Sydney in 2004 and attained her Bachelor of Oral Health in Dental Science and a Graduate Diploma of Dentistry in 2005-2006 at Griffith University. Andrea worked in general dental in the Tamworth region, before completing a Doctor of Clinical Dentistry - Paediatric Dentistry at the University of Sydney in 2021.
Andrea is a member of the Australian and New Zealand Society of Paediatric Dentistry, the Australasian Academy of Paediatric Dentistry, the International Association of Paediatric Dentistry, and the Australian Dental Association.