| 1992 | Lausanne, Switzerland Chairman: Alain CURNIER |
| 1994 | Carry le Rouet, France Chairmen: Michel RAOUS, Jean-Jacques MOREAU & Michel JEAN |
| 2001 | Peniche, Portugal Chairmen: Joao A.C. MARTINS & Manuel D.P. MONTEIRO MARQUES |
| 2005 | Hannover, Germany Chairman: Peter WRIGGERS |
| 2009 | Chania, Greece Chairman: Georgios E. STRAVROULAKIS |
| 2012 | Cargese, France Chairmen: Michel RAOUS & Peter WRIGGERS |
| 2014 | Abu Dhabi, United Arab Emirates Chairman: Tod LAURSEN |
| 2016 | Warsaw, Poland Chairman: Stanislaw STUPKIEWICZ |
| 2018 | Oropa (Biella), Italy Chairmen: Giorgio ZAVARISE, Michel RAOUS & Peter WRIGGERS |
| 2022 | Chexbres, Switzerland Chairman: Jean-François MOLINARI |
| 2024 | Lyon, France Chairmen: David DUREISSEIX, Anthony GRAVOUIL, Michel RAOUS & Yves RENARD |
| 2026 | Lugano, Switzerland Chairpersons: Rolf KRAUSE, Patrick ZULIAN, Marco FAVINO & Maria Giuseppina Chiara NESTOLA |