Professor Nikki Wagner
Dr Nikki Wagner is a Professor in the Geology Department at the University of Johannesburg, Johannesburg, South Africa. Her research areas include coal petrography, trace elements in coal, coal geology, carbon dioxide capture and storage, coal oxidation, underground coal gasification, coal conversion, coal ash, vitrinite reflectance for thermal maturity determination, and so on.
Professor Judith Kinnaird
Judith Kinnaird is an Associate Professor of Economic Geology in the School of Geosciences and Director of the Economic Geology Research Institute, University of Witwatersrand. She was awarded an Honours BSc degree from the University of London, an MSc and PhD from the University of St. Andrews in Scotland, for research on tin-tungsten and columbite-bearing granites in ring complexes in Nigeria. She has taught for the Open University in UK and University College Cork in Ireland where research studies focussed on zinc-lead and copper deposits in Ireland.