His work is funded by James Cook University, the MSRA, Townsville Hospital and Health Service and the Queensland Department of Health.
He is known internationally for his contributions to the genetics of autoimmune disease and has published on the genetics of gastritis, lupus, type 1 diabetes, multiple sclerosis and the role of NKT cells in autoimmunity, and made major contributions to our understanding of gene/environment interactions in autoimmune disease.