Terry Davis

United Kingdom
1 September 2004
31 August 2009

Walter Schwimmer

Austria
1 September 1999
31 August 2004

Daniel Tarschys

Sweden
1 June 1994
1 September 1999

Catherine Lalumière

France
1 June 1989
31 May 1994

Marcelino Oreja Aguirre

Spain
1 October 1984
1 June 1989

Franz Karasek

Austria
1 October 1979
1 October 1984

Georg Kahn-Ackermann

Germany
17 September 1974
17 September 1979

Lujo Toncic-Sorinj

Austria
16 September 1969
16 September 1974

Peter Smithers

United Kingdom
16 March 1964
15 September 1969

Lodovico Benvenuti

Italy
15 September 1957
15 March 1964

Léon Marchal

France
21 September 1953
deceased 24 September 1956

Jacques Camille Paris

France
11 August 1949
deceased 17 July 1953