Professor Will Steffen is a climate science expert and researcher, and the Executive Director of the ANU Climate Change Institute at the Australian National University, Canberra. He also serves on the Multi-Party Climate Change Committee and as a Climate Commissioner. He has also served as the Science Adviser to the Australian Department of Climate Change and Energy Efficiency.
From 1998 to 2004, Professor Steffen served as Executive Director of the International Geosphere-Biosphere Programme, an international network of scientists studying global environmental change based in Stockholm, Sweden. His research interests span a broad range within the fields of climate change and Earth System science, with an emphasis on sustainability, climate change and the Earth System. He is the author of numerous publications on climate science.