| 12.2023 – | Jean MUSY |
| 06.2022 – 12.2023 | Peter KENNY |
| 09.2015 – 06.2022 | Jean MUSY |
| 03.2011 – 09.2015 | Emiliya NAZARENKO |
| 09.2010 – 03.2011 | Frances WILLIAMS |
| 09.2005 – 09.2010 | Yolanda ROJAL |
| 07.2003 – 09.2005 | Jamil CHADE |
| 02.1999 – 07.2003 | Léon DAVICO |
| 09.1996 – 06.1999 | Kirsi HYYTIAINEN |
| 09.1992 – 09.1996 | Gordon MARTIN |
| 10.1990 – 09.1992 | Hanns NEUERBOURG |
| 04.1988 – 10.1990 | Laurent MOSSU |
| 06.1986 – 04.1988 | Hanns NEUERBOURG |
| 11.1981 – 06.1986 | Laurent MOSSU |
| 10.1980 – 11.1981 | Borko STOŠIC |
| 10.1978 – 10.1980 | Alfred ZANKER |
| 09.1974 – 10.1978 | Laurent MOSSU |
| 10.1970 – 09.1974 | Wolfram van den WYENBERGH |
| 10.1956 – 10.1970 | René MOSSU |
| 1955 – 1956 | Egmond C. d’ARCIS |
| 1949 – 1955 | Reginald A. LANGFORD |
| 1947 – 1949 | Joseph OLANIE |
| 1946 – 1947 | Ernest ASCHERI |
| 1945 – 1946 | Thomas Fay HAWKINGS |
| 1940 – 1945 | Edouard BAUTY* |
| 1937 – 1940 | Willy RUPPEL |
| 1933 – 1937 | F. J. FERGUSON |
| 1928 – 1933 | Julius BECKER |
* As President of the « Special Executive Committee »