Sharad Chari (Editor) Sharad Chari is Associate Professor of Geography at the University of California at Berkeley, and Research Associate at the Wits Institute for Social and Economic Research (WiSER). Mark Hunter (Editor) Mark Hunter is Professor of Human Geography at the University of Toronto Scarborough.atal. Melanie Samson (Editor) Melanie Samson is Associate Professor of Sociology at the University of Johannesburg.