Her pioneering work in Ireland included designing and creating the country's first pre-school television show, named after its red-haired central character Bosco.
[1] She returned to Australia in 1986 after 20 years in England and Ireland, and settled in Geelong in 1990,[2] turning to book illustration, painting and printmaking.
She created her first bollard art in Barwon Heads as part of an artist-in-schools program.
She took the concept of the Baywalk Bollards to Geelong city commissioners in 1994, and by 1999 there were over 100 brightly painted bollards, made out of recovered wharf pylons, scattered along the foreshore, depicting notable characters relating to Geelong's history and culture.
[4] In 2006 Mitchell received an Order of Australia medal for her contribution to Geelong's waterfront transformation.