Professor of Sociology, emeritus, Stanford University

WD Hamilton Professor of Complex Systems, Information & Public Policy, The University of …

Scuola Superiore S.Anna, Pisa, Italy

Professor Emeritus, University of Alberta

Rotman School of Management, University of Toronto

University of Alberta

Bocconi University

Professor of Management and Sociology; University of Michigan

Stanford University

Arizona Centennial Professor of Technology Policy and Public Management