Emmanuel K. Chanda is currently Professor and Head of the Mining Engineering Department at the School of Mines of the University of Zambia. He received his doctorate in Mining Engineering from the Technical University of Berlin, and is a member of the Engineering Institution of Zambia, the Australasian Institute of Mining and Metallurgy and the Society of Mining Professors. His research interests are mine optimisation, mining technology. His recent articles have been published in Advances in Strategic Mine Planning; Mathematical Geosciences; Transport Problems; International Journal of Mining Reclamation and the Environment; Mining Technology and Journal of Mining Science and Technology.

Dr Micah Nehring is an academic within the School of Mechanical and Mining Engineering at the University of Queensland, Australia, having received a PhD in Mining Engineering from the same institution. His work has been published in high-ranking journals including Minerals Engineering, Journal of the South African Institute of Mining and Metallurgy, Mining Technology, International Journal of Mining, Reclamation and Environment; and Journal of Cleaner Production.