A/Prof McQuilten is a consultant haematologist at Monash Health and a NHMRC Early Career Fellow at Monash University. She is the Deputy-Director of the Transfusion Research Unit and a senior research fellow with the Australian and New Zealand Intensive Care Research Centre (ANZIC-RC). She is Chair of the Supportive Care Group for the Australasian Leukaemia and Lymphoma Group. Her research program includes transfusion support in critical care and trauma, as well as supportive care in haematological diseases. She oversees a number of national and international clinical registries, including the Australian and New Zealand Massive Transfusion Registry.