University Professor and the Wallis Annenberg Chair in Communication Technology and Society at the University of Southern California (USC), Los Angeles; Research Professor at the Open University of Catalonia in Barcelona; Marvin C. (1951) and Joanne Grossman Distinguished Visiting Professor of Technology and Society at MIT.

President Emerita of Smith College; Visiting Professor at MIT.

Professor Emeritus of the History and Sociology of Science at the University of Pennsylvania; Distinguished Visiting Professor at MIT

Director of the Space Policy Institute at George Washington University's Elliott School of International Affairs; Visiting Professor at MIT