Since completion of his PhD in 1997 he has worked with non-government organisations, as an environmental consultant and within the University system. He has conducted research in a variety of ecosystems in Australia, Papua New Guinea, Laos, Uganda and Vietnam, and helped train students from a range of countries. Over the last decade he has worked on forest landscape restoration and mine rehabilitation nationally and internationally. He currently works closely with research organisations, mining companies and government agencies to solve a range of issues on land restoration and the environmental impacts of mining.