David Benjamin Croft is an Honorary Associate in the Centre for Compassionate Conservation and THINKK at UTS in Sydney Australia. After completing a PhD at the University of Cambridge, David has had a long career at UNSW Sydney, School of Biological, Earth & Environmental Sciences, teaching subjects in vertebrate biology, animal behavior and ecology, and natural resource management in the arid lands. He has published research on invertebrates, various marsupials, sheep, marine mammals, and primates. His specialty is the behavioral ecology of the kangaroos and their kind with a recent focus on interactions with people in livestock enterprises, on roads, and in wildlife tourism.