| 2007-2008 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | Ari Laptev Pavel Exner Helge Holden Stephen Huggett Jouko Väänänen Victor Buchstaber Mireille Martin-Deschamps Klaus Schmidt Carlo Sbordone Olga Gil-Medrano |
| 2005-2006 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | Sir John Kingman Pavel Exner Luc Lemaire Helge Holden Olli Martio Victor Buchstaber Doina Cioranescu Klaus Schmidt Carlo Sbordone Olga Gil-Medrano |
| 2003-2004 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | Sir John Kingman Bodil Branner Luc Lemaire Helge Holden Olli Martio Victor Buchstaber Doina Cioranescu Pavel Exner Marta Sanz-Solé Mina Teicher |
| 2001-2002 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | Rolf Jeltsch Bodil Branner Luc Lemaire David Brannan Olli Martio Victor Buchstaber Doina Cioranescu Renzo Piccinini Marta Sanz-Solé Mina Teicher |
| 1999-2000 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | Rolf Jeltsch A. Pelczar Luc Lemaire David Brannan Olli Martio Bodil Branner Doina Cioranescu Renzo Piccinini Marta Sanz-Solé Anatoly Vershik |
| 1997-1998 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | J.-P. Bourguignon A. Pelczar D.A.R. Wallace P.W. Michor A. Lahtinen Bodil Branner A. Conte Rolf Jeltsch Marta Sanz-Solé, Anatoly Vershik |
| 1995-1996 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | J.-P. Bourguignon L. Márki D.A.R. Wallace P.W. Michor A. Lahtinen E. Bayer-Fluckiger A. Conte I.S. Labouriau A. Pelczar V.A. Solonnikov |
| 1993-1994 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | F. Hirzebruch A. Figà-Talamanca L. Márki C. Lance A. Lahtinen E. Bayer I. Labouriau P.-L. Lions A. Pelczar V. A. Solonnikov |
| 1991-1992 | President: Vice President: Vice President: Secretary: Treasurer: Member: Member: Member: Member: Member: | F. Hirzebruch A. Figà-Talamanca Cz. Olech C. Lance A. Lahtinen E. Bayer A. Kufner P.-L. Lions L. Márki A. St Aubyn |