2005--Chair and Professor, Department of Asian Languages, Stanford University
2004--Executive Director of the Consortium, Inter-University Center for Japanese Language Study, Yokohama, Japan
1999-2000, Visiting Research Professor, National Institute of Japanese Literature, Tokyo, Japan
2003- Professor, Department of Asian Languages, Stanford University
1993-2003 Chair and Professor, Department of East Asian Languages and Literatures University of California, Irvine
1990-93 Professor, University of California, Irvine
1985-90 Associate Professor, Brigham Young University
1980-85 Assistant Professor, Brigham Young University
1979-80 Visiting Lecturer, UCLA