Professor Bunn is the Director of the Australian Rivers Institute at Griffith University. His major research interests are in freshwater ecology with a particular focus on the science to underpin river management. Stuart has extensive experience working with international and Australian government agencies and industry on water resource management issues. He is a member of the Murray-Darling Basin Authority and has previously served as a National Water Commissioner and as a Director of Land and Water Australia. In 2019, Stuart was appointed as a member of the Earth Commission
, hosted by Future Earth.