1969-1972

President: George B. Ziedses des Plantes, Amsterdam

Vice-President: James W. Bull, London

Secretary General: Auguste Wackenheim, Strasbourg

Assistant Secretary: Jean Paul Braun, Colmar   

1972-1975                                                                     

President: James W. Bull, London

Vice-President: Giovanni Ruggiero, Bologna

Secretary General: Auguste Wackenheim, Strasbourg

Assistant Secretary: Jean Paul Braun, Colmar   

1975-1978

President: Giovanni Ruggiero, Bologna           

Vice-President: Per Amundsen, Oslo

Secretary General: Auguste Wackenheim, Strasbourg

Assistant Secretary: Jean Paul Braun, Colmar

1978-1981

President: Per Amundsen, Oslo

Vice-President: Auguste Wackenheim, Strasbourg

Secretary General: Jean Paul Braun, Colmar

Assistant Secretary: Peter Huber, Bern

1981-1984

President: Auguste Wackenheim, Strasbourg

Vice-President: George du Boulay, London

Secretary General: Jean Paul Braun, Colmar

Assistant Secretary: Uwe Piepgras, Homburg

Treasurer: Peter Huber, Bern

1984-1987

President: George du Boulay, London

Vice-President: Sten Cronqvist, Lund

Secretary General: Jean Paul Braun, Colmar               

Assistant Secretary: Uwe Piepgras, Homburg                 

Treasurer: Peter Huber, Bern

1987-1990

President: Sten Cronqvist, Lund

Vice-President: Jean Paul Braun, Colmar

Secretary General: Uwe Piepgras, Homburg

Assistant Secretary: Ugo Salvolini, Ancona       

Treasurer: Peter Huber, Bern

1990-1993

President: Jean Paul Braun, Colmar   

Vice-President: Uwe Piepgras, Homburg

Secretary General: Anton Valavanis, Zürich     

Assistant Secretary: Pierre Lasjaunias, Paris

Treasurer: Peter Huber, Bern

1993-1996

President: Ugo Salvolini, Ancona

Vice-President: Danielle Balériaux, Bruxelles

Secretary General: Marco Leonardi, Milano

Assistant Secretary: Armin Thron, Aachen

Treasurer: Othmar Schubiger, Zürich

1996-1998

President: Pierre Lasjaunias, Paris

Vice-President: Claude Manelfe, Toulouse

Past-President: Ugo Salvolini, Ancona

Secretary General: Marco Leonardi, Bologna

Treasurer: Othmar Schubiger, Zurich   

Counsellors: Olof Flodmark, Stockholm

Chairman NDs Council: Ivan Moseley

1998-2000

President: Claude Manelfe, Toulouse

Vice-President: Olof Flodmark, Stockholm

Past-President: Pierre Lasjaunias, Paris

Secretary General: Marco Leonardi, Bologna

Treasurer: Othmar Schubiger, Zurich

Counsellors: Cosma Andreula, Bari

Chairman NDs Council: Martin Schumacher, Fribourg

2000-2004

President: Olof Flodmark, Stockholm

Vice-President: Luc Picard, Nancy - Jordi Ruscalleda, Barcelona

Past-President: Claude Manelfe, Toulouse

Secretary General: Marco Leonardi, Bologna

Treasurer: Othmar Schubiger, Zurich

Chairman NDs Council: Martin Schumacher, Fribourg

Members at Large: Cosma Andreula, Bari - Elna-Marie Larsson, Per Hj. Nakstad

2004-2006

President: Jordi Ruscalleda, Barcelona

Vice-President: Martin Schumacher, Fribourg

Past-President: Olof Flodmark, Stockholm

Secretary General: Marco Leonardi, Bologna

Treasurer: Othmar Schubiger, Zurich

Chairman NDs Council: Massimo Gallucci, l’Aquila

Members at Large: Augusto Goulão, Lisboa - Paul M. Parizel, Antwerpen - Alex Rovira, Barcelona

2006-2008                                                         

President: Martin Schumacher, Fribourg

Vice-President: Marco Leonardi, Bologna

Past-President: Jordi Ruscalleda, Barcelona

Secretary General: Guy Wilms, Leuven

Treasurer: Othmar Schubiger, Zurich

2008-2010                                                         

President: Marco Leonardi, Bologna

Vice-President: Paul M. Parizel, Antwerpen

Past-President: Martin Schumacher, Fribourg

Secretary General: Guy Wilms, Leuven

Treasurer : Johan W. Van Goethem, Antwerpen

2010-2012                                                         

President: Paul M. Parizel, Antwerpen

Vice-President: Turgut Tali, Ankara

Past-President: Marco Leonardi, Bologna

Secretary General: Guy Wilms, Leuven

Treasurer: Johan W. Van Goethem, Antwerpen

2012-2014                                                         

President: Turgut Tali, Ankara

Vice-President: Majda Thurnher, Wien

Past-President: Paul M. Parizel, Antwerpen

Secretary General: Guy Wilms, Leuven

Treasurer: Johan W. Van Goethem, Antwerpen

2014-2016                                                         

President: Majda Thurnher, Wien

Vice-President: Alex Rovira, Barcelona

Past-President: Turgut Tali, Ankara

Secretary General: Andrea Rossi, Genova

Treasurer: Johan W. Van Goethem, Antwerpen

2016-2018                                                         

President: Alex Rovira, Barcelona

Vice-President: Johan W. Van Goethem, Antwerpen

Past-President: Majda Thurnher, Wien

Secretary General: Andrea Rossi, Genova

Treasurer: Cem Calli, Izmir

2018-2020                                                         

President: Johan W. Van Goethem, Antwerpen

Vice-President: Pia Maly Sundgren, Lund

Past-President: Alex Rovira, Barcelona

Secretary General: Andrea Rossi, Genova

Treasurer: Cem Calli, Izmir

2020-2022                                                         

President: Pia Maly Sundgren, Lund

Vice-President: Tarek A. Yousry, London

Past-President: Johan W. Van Goethem, Antwerpen

Secretary General: Andrea Rossi, Genova

Treasurer: Cem Calli, Izmir