Jon Firth was born in Sydney, New South Wales in 1955.  He was educated at Sydney Boys High School.  Joining the Royal Australian Airforce in 1973, he served as a radio technician until his discharge in 1979.  He worked as a manager in the licensed club industry in Sydney until meeting Marc Grunseit in 1984.

After intensive instruction in stained glass and some warm glass techniques, Jon and his wife Sue moved to the Northern Territory late in 1985.  Over the past fifteen years his passion for glass has never waned.  He has attended many master classes during this time, perfecting his skills and expanding his knowledge.

Jon Firth is the Australian Glass Artists Association (Ausglass) representative for the Northern Territory, he is a Professional Affiliate of Craft Australia and Craft Mark accredited as well as NT Made accredited and glass tutor at Territory Craft Crafts Council of NT.