David is Leader of the Earth Systems and Climate Change Hub in the Australian Government’s National Environmental Science Program, based in CSIRO. He is also an honorary Professor at The University of Melbourne. He is an internationally recognised expert on climate change and climate variability.
David was a member of the National Climate Science Advisory Committee from 2018 till the end of 2019. During 2012-2017, he was a member of the Climate Change Authority, which provides advice to the Australian government on responding to climate change, including targets for reducing greenhouse gas emissions. He has been involved in the Assessment Reports of the Intergovernmental Panel on Climate Change in 2001, 2007, 2014 and 2021 in several different roles. He was elected as a Fellow of the Australian Academy of Science in 2019 and was awarded the 2015 Royal Society of Victoria Medal for Scientific Excellence in Earth Sciences.
From 2007 to February 2018, David was Professor of Atmospheric Science at the University of Melbourne and in the A.R.C. Centre of Excellence for Climate System Science. From 2003 to 2007, he held the Williams Chair in the School of Meteorology at the University of Oklahoma.