He attended Wesley College, Melbourne (was School Captain in 1987) prior to graduating from Australia's National Institute of Dramatic Art (NIDA) with a degree in Performing Arts (Acting) in 1991.
He also portrayed Father Flynn in Sydney Theatre Company's production of Doubt to critical acclaim.
After four years, Gabardi left All Saints and began the online ordering company 'MunchMonitor' which is classed as "an easy way for parents and students to order from school canteens, uniform shops and other school services online."
Gabardi married his wife Hali in 2003 and is the father of two children – Luca (2005) and Mila (2008).
Gabardi stars in the feature film, My Pet Dinosaur (2017) directed by Matt Drummond.