Distinguished Research Professor Emeritus, Public Administration & Policy, University of …

Distinguished Professor Emeritus, Rutgers Graduate School of Education

Professor of Public Policy and Government, Georgetown University and Senior Fellow, The …

University of Southern California

Professor of Policy Studies and Environmental Policy University of Twente

Associate Professor of Sociology, Rutgers University

Faculty Member of Public Administration Campus

Professor Emeritus, VIVE - Danish Center for Social Science Research

Associate Professor in Sustainable Urban Development, KTH, Royal Institute of Technology

Professora FGV