| Name | State | Period |
|---|---|---|
| Ms. Mazlan OTHMAN | Malaysia | 2007- |
| Mr. Sergio CAMACHO-LARA | Mexico | 2002-2007 |
| Ms. Mazlan OTHMAN | Malaysia | 1999-2002 |
| Mr. Nandasiri JASENTULIYANA | Sri Lanka | 1988-1999 |
| Mr. Vladimír KOPAL | Czech Republic | 1983-1988 |
| Mr. Marvin ROBINSON | United States of America | 1982-1983 |
| Mr. Luboš PEREK | Czech Republic | 1976-1981 |
| Mr. Abdel-Hamid ABDEL-GHANI | Egypt | 1960-1976 |