Thomas Abhayaratna was on secondment to TTPI from the Australian Taxation office in 2015 - 2016. Thomas conducts research into taxpayer responses to, and understanding of, the tax and transfer system and is currently leading the Australian Taxation Office’s work to improve the evidence-base for public policy in Australia. Thomas has served in senior policy advisory roles for over 10 years in the Australian Treasury, as well as for the Prime Minister of Australia and the Treasurer. Thomas was a member of the Secretariats for the Australia’s Future Tax System Review (the Henry Review) and the Garnaut Climate Change Review.