Visiting Professor at Vanderbilt & Professor at University of Toronto

Stein-Freiler Distinguished Service Professor of Sociology and the College, University of …

Princesa de Asturias Chair & Cañada Blanch Centre, Dept. of Geography & Environment …

Distinguished Professor of Geography

Professor, Department of Geography, University of California at Santa Barbara

Price School of Public Policy, University of Southern California

Ashbel Smith Professor of geospatial information sciences, Univesity of Texas at Dallas

Professor of Urban Planning and Public Policy at University of Southern California

Professor Emeritus, Vienna University of Economics and Business