· Senior Researcher, Artificial Intelligence, International Computer Science Institute (ICSI)2003–
· Emeritus Professor of Linguistics, University of California, Berkeley1966–1995
· Fellowship, Center for Advanced Study in the Behavioral Sciences1963–
· Doctorate in Social Anthropology, Harvard University1963–
· Teaching, Massachusetts Institute of Technology (MIT)1963–
· Postdoctoral Research, Stanford University1963–
· BA in Economics, Tulane University1955–