| 1957-1960 President: Roger Revelle (USA) Secretary: Gunther Boehnecke (FRG) Vice-President: George Deacon (UK) |
1960-1962 President: George Humphrey (Australia) Secretary: Gunther Boehnecke (FRG) Vice-President: George Deacon (UK) Vice-President: Lev Zenkevich (USSR) |
| 1962-1964 President: George F. Humphrey (Australia) Secretary: Gunther Boehnecke (FRG) Vice-President: George Deacon (UK) Vice-President: Vladimir Koort (USSR) |
1964-1968 President: Luis Capurro (Argentina/USA) Retiring President: George F. Humphrey (Australia) Secretary: Warren Wooster (USA) Vice-President: Trygve Braarud (Norway) Vice-President, Vladimir Koort (USSR) Ex-officio: Ronald I. Currie (UK) Ex-officio: Bruce C. Heezen (USA) Ex-officio: Roger Revelle (USA) |
| 1968-1970 President: Warren S. Wooster (USA) Retiring President: Luis R.A. Cappuro (USA) Secretary: Klaus Voigt (GDR) Vice-President: Trygve Braarud (Norway) Vice-President: Andrei Sergeevich Monin (USSR) Ex-officio: Ronald I. Currie (UK) Ex-officio: Gunther Dietrich (FRG) Ex-officio: Bruce C. Heezen (USA) |
1970-1972 President: Warren Wooster (USA) Retiring President: Luis R.A. Cappuro (USA) Secretary: Klaus Voigt (GDR) Vice-President: Henk Postma (Netherlands) Vice-President: Andrei Sergeevich Monin (USSR) Ex-officio: Thomas F. Gaskell (UK) Ex-officio: Gotthilf Hempel (FRG) Ex-officio: Henri Lacombe (France) |
| 1972-1976 President: H. Postma (Netherlands) Past-President: Warren S. Wooster (USA) Secretary: Ronald I. Currie (UK) (until 1978) Vice-President: Klaus Voigt (GDR) Vice-President: A.S. Monin (USSR) Ex-officio: Thomas F. Gaskell (CMG) – 1972-1976 Ex-officio: Gotthilf Hempel (IABO) – 1972-1976 Ex-officio: Henri Lacombe (IAPSO) – 1972-1974 Ex-officio: S. Fritz (IAMAP) – 1974 |
1976-1980 President: K.N. Fedorov (USSR) Past President: H. Postma (Netherlands) Secretary: Ronald I. Currie (UK) – 1976-1978, Henry Charnock (UK) (from 1978) Co-opted Member: Ronald I. Currie (UK) – 1979-1980 Vice-President: Gotthilf Hempel (FRG) Vice-President: Edward D. Goldberg (USA) Vice-President: Paul Tchernia (France) Reporter for publications: Warren S. Wooster (USA) Ex-officio: E.S.W. Simpson (CMG) Ex-officio: T.R. Parsons (IABO) Ex-officio: R.W. Stewart (IAPSO) Ex-officio: C. Junge (IAMAP) |
| 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) Co-opted Member: Henk Postma (Netherlands) Co-opted Member: William W. Hay (USA) Ex-officio: Kenneth Hsü (CMG) Ex-officio: T.R. Parsons (IABO) Ex-officio: Devendra Lal (IAPSO) Ex-officio: Warren L. Godson (IAMAP) |
1982-1983 President: Eric Simpson (South Africa) Past President: Konstantin N. Federov (USSR) Secretary: Alan R. Longhurst (Canada) Vice-President: Roger Chesselet (France) Vice-President: Gerold Siedler (FRG) Vice-President: Torben Wolff (Denmark) Co-opted Member: Henry Charnock (UK) Ex-officio: Kenneth Hsü (CMG) Ex-officio: Pierre Lasserre (IABO) Ex-officio: Devendra Lal (IAPSO) Ex-officio: Warren L. Godson (IAMAP) |
| 1983-1984 President: Gerold Siedler (FRG) (Interim) Secretary: Alan Longhurst (Canada) Past President: Konstantin N. Federov (USSR) Co-opted Member: Henry Charnock (UK) Vice-President: Roger Chesselet (France) Vice-President: Torben Wolff (Denmark) Vice-President: vacant |
1984-1986 President: Gerold Siedler (FRG) Secretary: Alan Longhurst (Canada) Past President: Konstantin N. Federov (USSR) Vice-President: Roger Chesselet (France) Vice-President: Jarl-Ove Stromberg (Sweden) Vice-President: Ross Heath (USA) Co-opted Member: Henry Charnock (UK) Ex-officio: Kenneth Hsü (CMG) Ex-officio: Pierre Lasserre (IABO) Ex-officio: Wolfgang Krauss (IAPSO) Ex-officio: Hans-Jürgen Bolle (IAMAP) |
| 1986-1988 President: Gerold Siedler (FRG) Secretary: Robert Fournier (Canada) Vice-President: Konstantin N. Federov (USSR) Vice-President: Roger Chesselet (France) Vice-President: Jarl-Ove Stromberg (Sweden) Vice-President: Ross Heath (USA) Co-opted Member: Agustín Ayala Castanares (Mexico) Ex-officio: Kenneth Hsü (CMG) Ex-officio: Pierre Lasserre (IABO) Ex-officio: Wolfgang Krauss (IAPSO) Ex-officio: Hans-Jürgen Bolle (IAMAP) |
1988-1990 President: Jarl-Ove Stromberg (Sweden) Secretary: Robert Fournier (Canada) Past President: Gerold Siedler (FRG) Vice-President: Alexei Kuznetsov (USSR) Vice-President: Tomio Asai (Japan) Vice-President: Ross Heath (USA) Co-opted Member: Su Jilan (China-Beijing) Ex-officio: Ian N. McCave (CMG) Ex-officio: Pierre Lasserre (IABO) Ex-officio: James O’Brien (IAPSO) Ex-officio: Gilbert Brian Tucker (IAMAP) |
| 1990-1992 President: Jarl-Ove Stromberg (Sweden) Secretary: Robert Fournier (Canada) Past President: Gerold Siedler (FRG) Vice-President: Alexei Kuznetsov (USSR) Vice-President: Tomio Asai (Japan) Vice-President: Terry Healy (New Zealand) Co-opted Member: Su Jilan (China-Beijing) Ex-officio Member: Ian N. McCave (CMG) Ex-officio Member: Pierre Lasserre (IABO) Ex-officio Member: Robin Muench (IAPSO) Ex-officio Member: Brian Hoskins (IAMAS) |
1992-1994 President Ian N. McCave (UK) Secretary: Brian Rothschild (USA) Past President: Jarl-Ove Stromberg (Sweden) Vice-President: Alexei Kuznetsov (Russia) Vice-President: Tomio Asai (Japan) Vice-President: Terry Healy (New Zealand) Co-opted Member: R. Allyn Clarke (Canada) Co-opted Member: S. Krishnaswami (India) Ex-officio Member: Yves Lancelot (CMG) Ex-officio Member: Pierre Lasserre (IABO) Ex-officio Member: Robin Muench (IAPSO) Ex-officio Member: Brian Hoskins (IAMAS) |
| 1994-1996 President: IanN. McCave (UK) Secretary: Brian Rothschild (USA) Past President: Jarl-Ove Stromberg (Sweden) Vice-President: S. Krishnaswami (India) Vice-President: Wang Pinxian (China-Beijing) Vice-President: Terry Healy (New Zealand) Co-opted Member: R. Allyn Clarke (Canada) Ex-officio Member: Yves Lancelot (CMG) Ex-officio Member: J. Frederick Grassle (IABO) Ex-officio Member: Robin Muench (IAPSO) Ex-officio Member: Brian Hoskins (IAMAS) |
1996-1998 President: John Field (South Africa) Secretary: Bjørn Sundby (Canada) Past President: Ian N. McCave (UK) Vice-President: S. Krishnaswami (India) Vice-President: Wang Pinxian (China-Beijing) Vice-President: Sergei Lappo (Russia) Co-opted Member: Ian Jones (Australia) Co-opted Member: Brian J. Rothschild (USA) Ex-officio Member: J. Frederick Grassle (IABO) Ex-officio Member: Vere Shannon (IAPSO) Ex-officio Member: Robert Duce (IAMAS) |
| 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) Co-opted Member: Peter Burkill (UK) Co-opted Member: Cintia Piccolo (Argentina) Ex-officio Member: J. Frederick Grassle (IABO) Ex-officio Member: Vere Shannon (IAPSO) Ex-officio Member: Robert Duce (IAMAS) |
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) Co-opted Member: Laurent Labeyrie (France) Co-opted Member: Cintia Piccolo (Argentina) Ex-officio Member: J. Frederick Grassle (IABO) Ex-officio Member: Paola Rizzoli (IAPSO) |
| 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) Co-opted Member: Ilana Wainer (Brazil) Co-opted Member: Andrei Zatsepin (Russia) Ex-officio Member: Annelies Pierrot-Bults (IABO) Ex-officio Member: Shiro Imawaki (IAPSO) Ex-officio Member: Michael McCracken (IAMAS) |
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) Co-opted Member: Ilana Wainer (Brazil) Ex-officio Member: Annelies Pierrot-Bults (IABO) Ex-officio Member: Shiro Imawaki (IAPSO) Ex-officio Member: Michael McCracken (IAMAS) |
| 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) Ex-officio Member: Annelies Pierrot-Bults (IABO) Ex-officio Member: Lawrence Mysak (IAPSO) Ex-officio Member: Michael McCracken (IAMAS) |
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) Co-opted Member: John Compton (South Africa) Co-opted Member: Venu Ittekkot (Germany) Ex-officio Member: Annelies Pierrot-Bults/Mark Costello (IABO) Ex-officio Member: Lawrence Mysak (IAPSO) Ex-officio Member: Michael McCracken (IAMAS) |
| 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) Co-opted Member: John Compton (South Africa) Ex-officio Member: Mark Costello (IABO) Ex-officio Member: Lawrence Mysak/Eugene Morozov (IAPSO) Ex-officio Member: Michael McCracken/Athena Coustenis (IAMAS) |
2012-2014 President: Peter Burkill (UK) Secretary: Mary (Missy) Feeley (USA) Past-President: Wolfgang Fennel (Germany) Vice-President: Corina Brussaard (Netherlands) Vice-President: Satoru Taguchi (Japan) Vice-President: John Volkman (Australia) Co-opted Member: Wajih Naqvi (India) Ex-officio Member: Mark Costello (IABO) Ex-officio Member: Eugene Morozov (IAPSO) Ex-officio Member: Athena Coustenis (IAMAS) |
| 2014-2016 President: Peter Burkill (UK) Secretary: Corina Brussaard (Netherlands) Past-President: Wolfgang Fennel (Germany) Vice-President: Sun Song (China-Beijing) Vice-President: Sergey Shapovalov (Russia) Vice-President: Ilana Wainer (Brazil) Co-opted Member: Wajih Naqvi (India) Ex-officio Member: Mark Costello (IABO) Ex-officio Member: Eugene Morozov/Denise Smythe-Wright (IAPSO) Ex-officio Member: Athena Coustenis/John Turner (IAMAS) |
2016-2018 President: Marie-Alexandrine Sicre (France) Secretary: Corina Brussaard (Netherlands) Past-President: Peter Burkill (UK) Vice-President: David Halpern (USA) Vice-President: Sun Song (China-Beijing) Vice-President: Sergey Shapovalov (Russia) Co-opted Member: Colin Devey (Germany) Ex-officio Member: Patricia Miloslavich (IABO) Ex-officio Member: Denise Smythe-Wright (IAPSO) Ex-officio Member: John Turner (IAMAS) |
| 2018-2020 President: Marie-Alexandrine Sicre (France) Secretary: Paul Myers (Canada) Past-President: Peter Burkill (UK) Vice-President: David Halpern (USA) Vice-President: Sinjae Yoo (Korea) Vice-President: Jing Zhang (Japan) Co-opted Member: Núria Casacuberta-Arola Co-opted member: Jacqueline Uku (Kenya) Ex-officio Member: Patricia Miloslavich / Enrique Montes (IABO) Ex-officio Member: Trevor McDougall (IAPSO) Ex-officio Member: John Turner / Joyce Penner (IAMAS) |
2020-2022 President: Sinjae Yoo (Korea) Secretary: Paul Myers (Canada) Past-President: Marie-Alexandrine Sicre (France) Vice-President: Stefano Aliani (Italy) Vice-President: Bradley Moran (USA) Vice-President: Jing Zhang (Japan) Co-opted Member: Jacqueline Uku (Kenya) Co-opted Member: Charlotte Laufkoetter (Switzerland) Ex-officio Member: Enrique Montes (IABO) Ex-officio Member: Trevor McDougall (IAPSO) Ex-officio Member: Joyce Penner (IAMAS) |
| 2022-2024 President: Sinjae Yoo (Korea) Secretary: Peter Croot (Ireland) Past-President: Marie-Alexandrine Sicre (France) Vice-President: Stefano Aliani (Italy) Vice-President: Bradley Moran (USA) Vice-President: Ilka Peeken (Germany) Co-opted Member: Wee Cheah (Malaysia) Co-opted member: Jacqueline Uku (Kenya) Ex-officio Member: Enrique Montes / Judith Gobin (IABO) Ex-officio Member: Trevor McDougall / Hans van Haren (IAPSO) Ex-officio Member: Joyce Penner / Andrea Flossmann (IAMAS) |