Dennis is a Professor in the Centre for Health Economics, Monash University. He has published extensively on the economics of illicit drugs and alcohol, disability, cancer, the longitudinal measurement and evaluation of health inequalities and has lead a large number of economic evaluations of healthcare interventions including alongside RCTs. He has consistently published in the leading health economics journals and also high impact medical journals. He specialises in analysing large and complex data sets to improve health policy decisions with a focus on reducing health inequities.