| 2009-present |
Professor, Linguistics Department, University of Kansas |
| 2002-2009 |
Associate Professor, Linguistics Department, University of Kansas |
| 2000-2002 |
Assistant Professor, Linguistics Department, University of Kansas |
| 1999-2000 |
Assistant Professor (Linguistics Department) and Research Associate (Ermal Garinger Academic Resource Center), University of Kansas. |
| 1997-1999 |
Visiting Assistant Professor, Dept. of Modern Languages, Cornell University. |
| 1996-1997 |
Visiting Assistant Professor and Director of Noyes Lodge Language Learning Center, Department of Modern Languages, Cornell University. |
| 1995-1996 |
Acting Assistant Professor, Department of Modern Languages, Cornell University. |
| 1992-1995 |
Acting Assistant Professor, Joint Appointment in Department of Psychology and Department of Modern Languages and Linguistics, Cornell University. |
| 1991-1992 |
Visiting Fellow, Psychology Department and Department of Modern Languages and Linguistics, Cornell University. |
| 1991 |
National Institutes of Health (NIH) Postdoctoral Research Scientist, Department of Linguistics, UCLA. |
| 1988-1991 |
Scientific Research Staff, Max Planck Institute for Psycholinguistics. |
| 1987-1988 |
Adjunct Professor of Linguistics, Washington University. |
| 1987-1988 |
Postdoctoral Research Scientist, Central Institute for the Deaf. |
