| 2006- | Associate Dean of the
Graduate School, College of Letters, Arts, and Sciences, USC |
| 2003-2006 | Associate Director, USC Annenberg School of Communication |
| 2001-2003 | Assistant Director, USC Annenberg School of Communication |
| 2000-present | Adjunct Assistant Professor, Linguistics, USC College of Letters, Arts and Sciences |
| 2000 (09-12) | Public Communications Manager, USC Alumni Association |
| 1995-2000 | Assistant Professor, Yale University Department of Linguistics |
| 1994-1995 | Visiting Assistant Professor, The University of Iowa Department of Linguistics |
| 1993-1994 | Research Assistant, Professor Edward Keenan, UCLA |
| 1992-1993 | Research Assistant to the UCLA Department of Linguistics; Responsibility for overseeing and improving the departmental computer laboratory |
| 1992 | Lecturer, Marmara Üniversitesi Dept. of English, Istanbul, Turkey |
| 1987-1988 | Research Staff, Speech Technology Laboratories (Panasonic Technologies Inc), Santa Barbara, California |
| 1998-1999 | Fellow, Whitney Center for Humanities, Yale University |
| 1997-1998 | Morse Junior Faculty Fellowship in the Social Sciences, Yale University |
| 1997 | John F. Enders Collaborative Research Grant, Yale University. |
| 1996 | Social Sciences Faculty Research Grant, Yale University |
| 1995 | Social Sciences Faculty Research Grant, Yale University |
| 1988-1991 | 4-year Departmental Fellowship, UCLA Dept. of Linguistics |
| Consultant | Cambodian Genocide Project (Yale Center for International and Area Studies): Development of an ASCII-based orthography for Khmer |
| Reviewer | Cambridge University Press, Kluwer Academic Publishing, Natural Language and Linguistic Theory, Journal of the International Phonetics Association, West Coast Conference on Formal Linguistics |
| 1998-1999 | Whitney Humanities Center, Yale University |
| 1998-1999 | Faculty Advisor: Faculty/Graduate Student Seminar in Phonetics & Phonology |
| 1995-2000 | Colloquium Coordinator, Yale Department of Linguistics |
| 1996-2000 | Silliman College Fellow, Yale University |
| 1996-2000 | Freshman Faculty Advisor Silliman College, Yale University |
| 1996-1997 | Committee on Honors and Academic Standing, Yale College |
| 1996-1997 | ESCOL ‘97 Organizational Committee |
| 1993 | WCCFL XII Organizational Committee, UCLA Department of Linguistics |
| 1995-1995 | Teaching Evaluation Committee, UCLA Department of Linguistics |
| 1989-1990 | UCLA Graduate Linguistics Circle President |
| Member | Linguistic Society of America, American Association of University Professors |