Dennis was appointed as an Associate Professor in 2016 in the Centre for Health Economics, Monash University. Berfore that he was a Senior Research Fellow in the Centre for Health Policy, Programs and Economics (CHPPE) at the University of Melbourne from 2012. And for the 5 previous years he was a Lecturer in Health Economics at the University of Dundee, Scotland. He is also an Honorary Principal Research Fellow at the Centre for Health Equity, University of Melbourne. He has a dual degree, BEcon(Hons) majoring in Econometrics and a BSc majoring in Mathematics plus a PhD in Health Economics from the University of Queensland. He has worked on the economics of illicit drugs and alcohol, the longitudinal measurement and evaluation of health inequalities, the economic of disability, the economics of bereavement, the economics of breast cancer and has been involved in a large number of economic evaluations of healthcare interventions including alongside large RCTs. He has extensive experience in analysing large and complex datasets and using these to inform health policy.