| 1) | A full time faculty member (full Prof.) of the IAU, Tehran N. Branch since Sep.2006 |
| 2) | Professor of applied linguistics and translation studies, since February 1999 at Teacher Training University TTU or UTE (Recently called Kharazmi U.) retired at March 2006 |
| 3) | Associate Professor (of the same field) from August 1987 to February 1999, UTE |
| 4) | Assistant Professor (of the same field) from July 1975 to August 1987, UTE |
| 5) | Instructor of the English language and linguistics October 1972 to July 1975, UTE |
| 6) | Teaching Assistant of the Persian language, TESL Dept. University of Illinois, 1971-72 |
| 7) | Elementary-school and high-school teacher in ministry of education from September 1960-70 |