Ben Derudder is Professor of Human Geography at the Department of Geography, and Associate Director of the Globalization and World Cities research group and network (GaWC). His research focuses on (i) the conceptualization and empirical analysis of transnational urban networks, (ii) the (persisting) importance of business travel in the space economy, and (iii) spatial modelling techniques. He teaches courses on human geography, global city-formation, and methods and techniques in geographical research.