| President | Ralph Hingson | USA |
| Past President | Johan de Gier | NETHERLANDS |
| President-Elect | Wolf-Rüdiger Nickel | GERMANY |
| Secretary | Asbjørg Christophersen | NORWAY |
| Assistant Secretary | Jean Shope | USA |
| Treasurer | Barry Logan | USA |
| Assistant Treasurer | Jan Ramaekers | NETHERLANDS |
| Board Member | David Shinar | ISRAEL |
| Board Member | Philip Swann | AUSTRALIA |
| Board Member | Richard Compton | USA |
| Board Member | Sue Ferguson | USA |
| 1950 - 1953 | Cecil Heath | UK |
| 1953 - 1969 | Sir Edward Wayne | UK |
| 1969 - 1983 | Robert F. Borkenstein | USA |
| 1983 - 1989 | Milan R. Valverius | SWEDEN |
| 1989 - 1992 | Robert B. Voas | USA |
| 1992 - 1995 | Herbert M. Simpson | CANADA |
| 1995 - 1997 | Jack McLean | AUSTRALIA |
| 1997 - 2000 | Hans Laurell | SWEDEN |
| 2000 - 2003 | Barry Sweedler | USA |
| 2003 - 2006 | Johan de Gier | NETHERLANDS |