Professor of Environmental Planning, University of California Berkeley

Research Professor, University of North Carolina

Professor of Human Geography and Planning, University of Tasmania

University of Virginia

Texas A&M University

Distinguished Professor Emeritus, University of Waterloo

Dalhousie University

Professor Emeritus, University of North Carolina at Chapel Hill

Arid Land Research Center, Tottori University / 鳥取大学 乾燥地研究センター

Dean, PennDesign