2014- 


2002-03

New York University, Steinhardt School of Culture, Education, and Human Development, Professor of Media Technology

White House Office of Science and Technology Policy, Senior Policy Analyst
on IPA Assignment from the University of Michigan
 

2001-13    

University of Michigan, John Derby Evans Professor of Media Technology, Communication Studies, Senior Research Scientist, Center for Political Studies, Institute for Social Research
 

1997-01

Annenberg School for Communication, University of Pennsylvania. Professor of Communication and Director of the Information and Society Program, Annenberg  Public Policy Center
 

1996-97

Kennedy School, Harvard University, Laurence Lombard Professor, Visiting, The Joan Shorenstein Center on the Press, Politics and Public Policy
 

1992-97

Fletcher School, Tufts University, Edward R. Murrow Professor of International  Communications
 

1985-92

Massachusetts Institute of Technology, Department of Political Science and Media Laboratory, Associate Professor
 

1984-85

Harvard University, Program on Information Resources Policy, Visiting Scholar
 

1980-85

Massachusetts Institute of Technology, Department of Political Science and Research Program on Communications Policy, Assistant Professor
 

1975-80

Yale University, Department of Sociology, Assistant Professor