| ردیف | Year | Assignment | Place |
| 1. | 1986 – 1988 | Deputy Director, International Organizations Bureau | Foreign Ministry |
| 2. | 1988 – 1989 | Director, United Nations Bureau | Foreign Ministry |
| 3. | 1989 – 1992 | ( Counsellor, Permanent Mission to the United Nations (New York), | Permanent Mission of the Islamic Republic of Iran to the United Nation |
| 4. | 1992 – 1996 | Ambassador, Permanent Mission to the United Nations (New York), | Permanent Mission of the Islamic Republic of Iran to the United Nation |
| 5. | 1996 – 1998 | Ambassador & Deputy Permanent Representative to the United Nations (New York), | Permanent Mission of the Islamic Republic of Iran to the United Nation |
| 6. | 1998 – 2002 | Special Assistant to the Foreign Minister | Foreign Ministry |
| 7. | 2002 – 2006 | Ambassador to Switzerland and Lichtenstein | Switzerland |
| 8. | 2006 – 2009 | Advisor to the Foreign Minister | Foreign Ministry |
| 9. | 2009 – 2013 | Deputy Director | Encyclopedia of Contemporary Islam |
| 10. | 2013 – 2017 | Deputy Foreign Minister for European and American Affairs | Foreign Ministry |
| 11. | 2017 –2019 | Deputy Chief of Staff for Political Affairs | Office of the President |
| 12. | 2019 – 2022 | Ambassador & Permanent Representative to the United Nations (New York), | Permanent Mission of the Islamic Republic of Iran to the United Nation |
| 13. | Foreign Ministry | Deputy Foreign Minister for Political Affairs | 2024 |