Harding grew up in
Sydney, Australia, with two younger brothers named
Peter and James and attended
St Andrew's Cathedral School. In 1993, he began a funk band, Compos Mentis, with his brother Peter, family friend
Mike McCarthy and bass player Sam O'Donnell. He does a bit of boxing and surfing. In 1998, whilst studying social work at university, he auditioned for the children's musical group debut in
Hi-5 from April 12, 1999. Harding was accepted and remained a core member of the group until he left it on 12 November 2007 after suffering a broken back and toes in a motorcycle accident at
Eastern Creek Raceway earlier that year and was replaced by
Stevie Nicholson. Whilst Harding was in
Hi-5, they won five
ARIA Music Awards and three
Logie Awards. Harding formerly lived in Newcastle, but as of 2025 he currently lives in the
UK with his wife Tash and daughters Arielle and Beatrix and works as a freelance entertainer and musician. He also sings with the Sydney-based weddings and functions band Soultraders. Harding also provided the voices for Zip the Bird in
Cushion Kids and Jup Jup in
Hi-5. ==References==