The National Consultative Assembly approved the formation of a veterinary organization in 1925, under the supervision of the Pasteur Institute. Initially, the organization had only 22 employees. The fist chairman was Dr. Abdollah Hamedi.
| Number | Name | Year | Duration | Position |
|---|
| 1 | Dr. Abdollah Hamedi | 1925 | one year | Assistant to the animal pest management institute |
| 2 | Dr. Morteza Golsorkhi | 1926 | two years | Assistant to the animal pest management institute |
| 3 | Dr. Loe Deppi | 1930 | nearly five years | Head of the institute of animal welfare |
| 4 | Dr. Abdollah Hamedi | 1935 | nearly six years | Head of the veterinary office |
| 5 | Dr. Reza Rastegar | 1943 | nearly five years | Head of the veterinary department under the auspices of Dr. Hamedi and the director General of veterinary medicine |
| 6 | Dr. Mohammad Darvish | 1947 | nearly two years | Head of the department of animal husbandry |
| 7 | Dr. Esmaeil Ardalan | 1949 | nearly seven years | veterinary director general |
| 8 | General Dr. Abbas Izadpanah | 1957 | nearly one year | veterinary director general |
| 9 | Dr. Morteza Gholiarshadi | 1960 | nearly one year | veterinary director general |
| 10 | Dr. Morteza Kaveh | 1964 | nearly four years | veterinary director general |
| 11 | Dr. Morteza Gholiarshadi | 1964 | nearly thirteen years | Director general of veterinary medicine / Head of veterinary organization since 1971 |
| 12 | Dr. Manouchehr Baharsefat | 1977 | nearly two years | Head of the veterinary organization of Iran |
| 13 | Dr.Bahman Fendereski | 1979 | for a short time | Head of the veterinary organization of Iran |
| 14 | Dr. Reza As'adi | 1979 | nearly one years | Head of the veterinary organization of Iran |
| 15 | Dr. Mohammad Hassan Roustaei | 1980 | nearly one year | Head of the veterinary organization of Iran |
| 16 | Dr. Radi | 1982 | for a short time | Head of the veterinary organization of Iran |
| 17 | Dr. Aliakbar Mohammadi | 1982 | Nearly two years | Head of the veterinary Organization of Iran |
| 18 | Dr. Mohammad Hassan Roustaei | 1983 | nearly one years | Head of the veterinary Organization of Iran |
| 19 | Engineer Shoja' | 1985 | for a short time | Head of the veterinary Organization of Iran |
| 20 | Dr. Masoumeh Mohammadi | 1985 | for a short time | Head of the veterinary Organization of Iran |
| 21 | Dr. Aliakbar Taher | 1985 | three months | Head of the veterinary organization of Iran |
| 22 | Dr. Ahmad Eghtesad | 1986 | nearly two years | Head of the veterinary organization of Iran |
| 23 | Dr. Alireza Safarian | 1988 | more than three years | Head of the veterinary organization of Iran |
| 24 | Dr. Mohammad Shafiepour | 1990 | nearly one year | Head of the veterinary organization of Iran |
| 25 | Dr. Abbasali Motallebi | 1994 | nearly eight years | Head of the veterinary organization of Iran |
| 26 | Dr. Mansour Sayari | 2001 | nearly four years | Head of the veterinary organization of Iran |
| 27 | Dr. Hossein Hasani | 2005 | nearly one years | Head of the veterinary organization of Iran |
| 28 | Dr. Mojtaba Nowrouzi | 2006 | more than three years | Head of the veterinary organization of Iran |
| 29 | Dr. Mohsen Dastour | 2010 | nearly four years | Head of the veterinary organization of Iran |
| 30 | Dr. Mahdi Khalaj | 2014 | three years and eight months | Head of the veterinary organization of Iran |
| 31 | Dr. Alireza Rafiepour | 2017 | current | Head of the veterinary organization of Iran |