Prof Inacio is an epidemiologist with expertise in population health surveillance, registry science, and health and aged care services research. She is the Director of the Registry of Senior Australians (ROSA) Research Centre at the South Australian Health and Medical Research Institute and Matthew Flinders Professor of Health Services and Epidemiology at Flinders University.

Since 2017 Prof Inacio has led the ROSA research program and team. ROSA is a national platform and SA-based Clinical Quality Registry developed to support the monitoring and evaluation of the quality of ageing and aged care services provided to older Australians. Prof Inacio and her team’s research has resulted in contributions to the understanding of the individuals in the aged care sector nationally and how quality and safety of care can be efficiently monitored for this sector.