John is a retired fruit grower from Bunbartha, north of Shepparton in Victoria. He was a director of major Australian fruit processing company SPC Ltd for 13 years. Other past directorships have included Goulburn Murray Water and the Goulburn Broken Catchment Management Authority. John was also the founding Chair of the Environmental Farmers Network. Over the past decade, John has also been an adamant spokesperson on climate change, presenting widely with the Climate Reality Project.