1957-1960
President, Roger Revelle, USA
Secretary, G. Boehnecke, FRG
Vice-President, George Deacon UK

1960-1962
President, George Humphrey, Australia
Secretary, G. Boehnecke, FRG
Vice-President, George Deacon, UK
Vice-President, L. Zenkevich, USSR

1962-1964
President, George Humphrey, Australia
Secretary, G. Boehnecke, FRG
Vice-President, George Deacon, UK
Vice-President, Vladimir Koort, USSR

1964-1968
President, Luis Capurro, Argentina
Secretary, Warren Wooster, USA
Vice-President, T. Braarud, Norway
Vice-President, Vladimir Koort, USSR

1968-1970
President, Warren Wooster, USA
Secretary, Klaus Voigt, GDR
Vice-President, T. Braarud, Norway
Vice-President, A.S. Monin, USSR

1970-1972
President, Warren Wooster, USA
Secretary, Klaus Voigt, GDR
Vice-President, H. Postma, Netherlands
Vice-President, A.S. Monin, USSR

1972-1976
President, H. Postma, Netherlands
Secretary, Ron Currie, UK (until 1978)
Vice-President, Klaus Voigt, GDR
Vice-President, A.S. Monin, USSR

1976-1980
President, K.N. Fedorov, USSR
Secretary, Henry Charnock, UK (from 1978)
Vice-President, Gotthilf Hempel, FRG
Vice-President, E.D. Goldberg, USA
Vice-President, Paul Tchernia, France

1980-1982
President, Eric Simpson, South Africa
Secretary, Alan Longhurst, Canada
Vice-President, Henry Charnock, UK
Vice-President, Gerold Siedler, FRG
Vice-President, Torben Wolff, Denmark

1982-1983
President, Eric Simpson, South Africa
Secretary, Alan Longhurst, Canada
Vice-President, Roger Chesselet, France
Vice-President, Gerold Siedler, FRG
Vice-President, Torben Wolff, Denmark

1983-1984
President, Gerold Siedler, FRG (Interim)
Secretary, Alan Longhurst, Canada
Vice-President, Roger Chesselet, France
Vice-President, Torben Wolff, Denmark
Vice-President, vacant

1984-1986
President, Gerold Siedler, FRG
Secretary, Alan Longhurst, Canada
Vice-President, Roger Chesselet, France
Vice-President, J-O. Stromberg, Sweden
Vice-President, Ross Heath, USA

1986-1988
President, Gerold Siedler, FRG
Secretary, Robert Fournier, Canada
Vice-President, Roger Chesselet, France
Vice-President, J-O. Stromberg, Sweden
Vice-President, Ross Heath, USA

1988-1990
President, J-O. Stromberg, Sweden
Secretary, Robert Fournier, Canada
Vice-President, Alexei Kuznetsov, USSR
Vice-President, Tomio Asai, Japan

Vice-President, Ross Heath, USA

1990-1992
President, J-O. Stromberg, Sweden
Secretary, Robert Fournier, Canada
Vice-President, Alexei Kuznetsov, USSR
Vice-President, Tomio Asai, Japan
Vice-President, Terry Healy, New Zealand

1992-1994
President, I.N. McCave, UK
Secretary, Brian Rothschild, USA
Vice-President, Alexei Kuznetsov, Russia
Vice-President, Tomio Asai, Japan
Vice-President, Terry Healy, New Zealand

1994-1996
President, I.N. McCave, UK
Secretary, Brian Rothschild, USA
Vice-President, S. Krishnaswami, India
Vice-President, Wang Pinxian, China-Beijing
Vice-President, Terry Healy, New Zealand

1996-1998
President, John Field, South Africa
Secretary, Bjørn Sundby, Canada
Vice-President, S. Krishnaswami, India
Vice-President, Wang Pinxian, China-Beijing
Vice-President, Sergei Lappo, Russia

1998-2000
President, John Field, South Africa
Secretary, Bjørn Sundby, Canada
Vice-President, Wolfgang Fennel, Germany
Vice-President, Shizuo Tsunogai, Japan
Vice-President, Sergei Lappo, Russia

2000-2002
President, Robert A. Duce, USA
Secretary, Julie A. Hall, New Zealand
Past-President, John Field, South Africa
Vice-President, Wolfgang Fennel, Germany
Vice-President, Roberto Purini, Italy
Vice-President, Shizuo Tsunogai, Japan

2002-2004
President, Robert A. Duce, USA
Secretary, Julie A. Hall, New Zealand
Past-President, John Field, South Africa
Vice-President, Laurent Labeyrie, France
Vice-President, Roberto Purini, Italy
Vice-President, Akira Taniguchi, Japan

2004-2006
President, Bjørn Sundby, Canada
Secretary, Julie A. Hall, New Zealand
Past-President, Robert A. Duce, USA
Vice-President, Victor Akulichev, Russia
Vice-President, Laurent Labeyrie, France
Vice-President, Akira Taniguchi, Japan

2006-2008
President, Bjørn Sundby, Canada
Secretary, Jorma Kuparinen, Finland
Past-President, Robert A. Duce, USA
Vice-President, Victor Akulichev, Russia
Vice-President, Peter Burkill, UK
Vice-President, Huasheng Hong, China-Beijing

2008-2010

President, Wolfgang Fennel, Germany
Secretary, Jorma Kuparinen, Finland
Past-President, Bjørn Sundby, Canada
Vice-President, Peter Burkill, UK
Vice-President, Missy Feeley, USA
Vice-President, Huasheng Hong, China-Beijing

2010-2012

President, Wolfgang Fennel, Germany
Secretary, Mary (Missy) Feeley, USA
Past-President, Bjørn Sundby, Canada
Vice-President, Satoru Taguchi, Japan
Vice-President, John Volkman, Australia
Vice-President, Ilana Wainer, Brazil