Christian Ekberg is Full Professor of Nuclear Chemistry at Chalmers University of Technology, Gothenburg Sweden. He is also the inaugural holder of Stena's professorship in Industrial Materials Recycling. He received both his undergraduate and graduate degrees from Chalmers University of Technology, followed by a postdoctoral stay at the Australian Nuclear Science and Technology Organization in Menai, Australia.

Dr. Paul Brown works as a Principal Advisor for Mineral Waste Management, Technology and Innovation at Rio Tinto in Australia. He previously was a Principal Research Scientist at the Australian Nuclear Science and Technology Organization. He received both his undergraduate and graduate degrees from the University of Wollongong in Australia.