Lochner Marais is a Professor of Development Studies at the Centre for Development Support at the University of the Free State (UFS). He is also an honorary professor at the Sustainable Minerals Institute (University of Queensland, Australia). He serves on the editorial board of Habitat International and is also the Speciality Chief Co-editor for the Cities in the Global South section of the journal, Frontiers in Sustainable Cities. His research interests include housing policy, small cities and towns (mining and renewable towns and cities) and public health focusing on children. In addition to concentrating on these themes separately, he focuses on integrating them. Marais has authored, co-authored and compiled more than 250 research reports, including 180 refereed articles in peer-reviewed journals or books. He has also co-edited nine books. Over the past ten years, he has been the principal investigator or co-principal investigator for research grants to the value of approximately R20 million. He has a specific passion for creating and managing interdisciplinary projects. He prefers research focusing on real-world problems in housing policy, mine-community relations, mine closure and urban health. The main contribution of his work has been to improve the understanding of the social consequences of mine closure, mining’s role in creating place attachment and the relationship between mine closure and social disruption. He has also been the first researcher to link mine closure and social disruption and warns against dependencies of mining booms.