Mathias Sinning is a Professor of Economics at the Crawford School of Public Policy of the Australian National University (ANU). He is the architect of a new econometric method for estimating generalised quantile treatment effects. His research focuses on advancing and applying this method in both experimental and quasi-experimental settings. He has published in various domains of economics, including public economics, labour economics, health economics, development economics and behavioural economics. His academic background includes previous appointments at the ANU and the University of Queensland, as well as Visiting Fellowships at Princeton University and Peking University. He is a Research Fellow of RWI Leibniz Institute for Economic Research and a Research Affiliate of MIT's Poverty Action Lab (J-PAL).​​

He joined IZA as a Research Affiliate in January 2007 and became a Research Fellow in April 2010.