Sarah Charlton is Associate Professor in the School of Architecture and Planning at the University of the Witwatersrand. Her experience in municipal government, the non-profit sector and consultancy included informal settlement upgrading and low-income housing policy and practice. Her research explores the interfaces between urban infrastructure and people’s practices, state development initiatives and urban governance. It has included work on urban peripheries and collaborative research in Ethiopia and Mozambique. She has a doctorate from the University of Sheffield and is a Research Associate of the Southern Centre for Inequality Studies. She serves on the boards of the journals African Studies, International Development Planning Review, and the International Journal on Homelessness.