List of presidents and vice-presidents
| Elections | President | I. Vice-president | II. Vice-president | Secretary general | |
| 1974 Zagreb, Yugoslavia | Ernst Senckenberg Germany | Jerry Moore USA | Richard Vincent Australia | Ernst Jenni Switzerland | |
| 1976 Pretoria, South Africa | Ernst Senckenberg Germany | Jerry Moore USA | Richard Vincent Australia | Ernst Jenni Switzerland | |
| 1978 Calgary, Canada | Jerry Moore USA | Richard Vincent Australia | Bernard Chevalier France | Alfred Ruegsegger Switzerland | |
| 1980 Venice, italy | Richard Vincent Australia | Fritz Hari Switzerland | Keith Svenson Canada | Alfred Ruegsegger Switzerland | |
| 1982 Edinburgh | Fritz Hari Switzerland | Keith Svenson Canada | Slade Marshall Zambia | Alfred Ruegsegger Switzerland | |
| 1984 Sydney | Keith Svenson Canada | Pedro de Ocampo Argentina | Otmar Foeger Austria | Alfred Ruegsegger Switzerland | |
| 1986 Buenos Aires, Argentina | Pedro de Ocampo Argentina | Otmar Foeger Austria | Lloyd Powell USA | Alfred Ruegsegger Switzerland | |
| 1988 Muenchen, Germany | Otmar Foeger Austria | Lloyd Powell USA | Peter Massmann South Africa | Alfred Ruegsegger Switzerland | |
| 1990 Lausanne, Switzerland | Otmar Foeger Austria | Lloyd Powell USA | Peter Massmann South Africa | Niklaus Flueckiger Switzerland | |
| 1992 Dallas, USA | George Anderson UK | Hugo Valentin Italy | Brian Kitchen USA | Niklaus Flueckiger Switzerland | |
| 1994 Vienna, Austria | George Anderson UK | Hugo Valentin Italy | Andres Weil Argentina | Niklaus Flueckiger Switzerland | |
| 1996 Pretoria, South Africa | Hugo Valentin Italy | Andres Weil Argentina | Hans Haeckel Germany | Niklaus Flueckiger Switzerland | |
| 1998 Goiania, Brasil | Hugo Valentin Italy | Hans Haeckel Germany | Robert Haralson USA | Niklaus Flueckiger Switzerland | |
| 2000 Kildare, Ireland | Hans Haeckel Germany | Robert Haralson USA | Eduardo Rosenberg, Argentia | Yves Schleppi Switzerland | |
| 2002 Pretoria, South Africa | Robert Haralson USA | Franz-Xaver Stuerzer Germany | Peter Speers Australia |
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| 2004 Aarhus, Denmark | Franz-Xaver Stuerzer Germany | Josef Kucera Czech Republic | Bruce Holmquist Canada | Andreas Bigler Switzerland | |
| 2006 Calgary, Canada | Franz-Xaver Stuerzer Germany | Josef Kucera Czech Republic | Bruce Holmquist Canada | Andreas Bigler Switzerland | |
| 2008 Meriden, UK | Bruce Holmquist Canada | Josef Kucera Czech Republic | Bill Almond Australia | Kristyna Skopalova Czech Republic | |
| 2010 Melbourne, Australia | Bruce Holmquist Canada | Josef Kucera Czech Republic | Bill Almond Australia | Kristyna Skopalova Czech Republic |
