 CASA has graduated some 50 PhDs since 2000.Several alumni have made important contributions to the science of cities working in geographic information systems, spatial analysis and urban modelling at UC Berkeley, Maryland, NYU, George Mason, UCL, KRISH, LSE, TU-Istanbul, KCL, Cardiff, Tehran, Manchester, OU, ETH-Zurich, Kingston, Malta, Warwick, Birkbeck, and Liverpool.OpenStreetMap (OSM) originated in UCL CASA and The Bartlett, and the firms GeoFutures and Intelligent Space (acquired by Atkins) were associated with the centre.