His areas of work include clinical service delivery strategies, access to health care, quality of care, training and education of service providers in clinical and community settings. He also has substantial experience in testing a WHO classification system of childhood illnesses and its algorithm-based application in community based health facilities. In the recent past he worked for Northern Adelaide Medicare Local, Communicable Disease Control Branch of South Australian health department, South Australian Community Health Research Unit of Flinders University, Bloomberg School of Public Health at Johns Hopkins University in the USA and the ICDDRB (an international health and population research organisation in Bangladesh).