Professor Guastella is a clinical psychologist and researcher at the Brain and Mind Centre, University of Sydney. He manages anxiety services as part of his role within the institute and aims to provide free and effective cognitive-behaviour therapy based treatments for youth and adults in the inner west of Sydney.
His team work closely with the Sydney Children' s Hospital to understand factors that influence child and family well being. In research, he leads a range of clinical treatment trials focusing on improving social well being, in terms of both social anxiety and in disorders characterised by social problems (autism, psychosis, substance problems). His most significant achievements have been to advance new treatments for mental health disorders by showing the benefits of novel therapeutics to enhance psychological processes in humans. He has also conducted some of the largest research evaluations of disability, social cognition and mental well being in adults with autism.