Professor Olsson holds a National Health and Medical Research Council Fellowship (Investigator Grant 2020-2024) and is a former recipient of an Australian Research Council Discovery Outstanding Researcher Award. He leads one of Australia's longest running studies of social-emotional development, The Australian Temperament Project (https://www.melbournechildrens.com/atp/), which has followed over 2000 young Australians from infancy, to childhood, to adolescence, to young adulthood and into parenting the next generation since 1983. He is actively involved in a number of other long standing cohort studies, most notably the Victorian Intergenerational Cohort Study (est. 2006) and the Dunedin Multidisciplinary Health and Development Parenting Study (est. 1972). He is National Convenor of the Australian Research Alliance for Children and Youth (ARACY) Longitudinal Studies Network (www.lifecourse.org.au), directs the Deakin Centre for Social and Early Emotional Development (www.deakin.edu.au/seed) and co-convenes the Murdoch Children’s Research Institute LifeCourse initiative (https://lifecourse.melbournechildrens.com/).