Education: Postdoctoral Fellow, National Institute of Mental Health Fellow, MIT, Linguistics, 1982-83. Ph.D., University of Arizona, Linguistics, 1980. B.A., International Christian University, Linguistics, 1975. Positions: Project Professor/ Director of Online Education,Univesity of Tokyo, 2014-present. Professor of Linguistics, MIT, 1991-present. Kochi-Manjiro Professor of Japanese Language and Culture, MIT, 1995–present.