University of Washington, Seattle

Professor, Department of Informatics, Aristotle University of Thessaloniki, 54124, Greece.

Faculty of Education, Monash University

Professor of Communication Science and the Sociology of the Information Society

Professor of Cities and Society, Newcastle University

Georgia Institute of Technology

Portland State University & University of Groningen

Director (Reuters Institute), Professor of Political Communication (University of Oxford

Distinguished Professor of Digital Media, Queensland University of Technology

Marketing Professor, Harvard Business School