Dr Ossola is an ecologist and environmental scientist who specializes in urban and peri-urban areas. He is also a Honorary Research Fellow within the School of Ecosystem and Forest Science at the University of Melbourne, Australia and Honorary Research Fellow at Macquarie University in Sydney, Australia. Alessandro is a former US National Academy of Sciences, Engineering and Medicine NRC Associate within the National Risk Management Research Laboratory of US-EPA in Cincinnati, Ohio.

His research encompasses several topics including ecology, climate change, forestry, water management, food production, planning and design. Over the years, he enjoyed the opportunity to lecture for undergraduate and postgraduate subjects related to urban green infrastructures, urban biodiversity conservation, climate change, urban horticulture, eco-hydrology, landscape architecture, urban planning and design. Alessandro is particularly interested in the applied side of his research which spans environmental management, ecological design, science communication and outreach.