John is an Associate Professor in Urban Horticulture at the University of Melbourne’s Burnley Campus and has been a leader in Australian green roofs research and development for more than 20 years. This has included industry partnerships that that have produced the multi-award winning Growing Green Guide (2014), Maintenance Guidelines for Australian Green Roofs (2021), Guidelines for Biodiverse Green Roofs (2023) and the Burnley Green Roof Plant Guide (2023).