Name Country of Origins Period
Albert Devèze Belgium 1930 – 1947
Oscar Leimgruber Switzerland 1947 – 1953
René Cassin France 1953 – 1956
Frants Hvass Denmark 1956 – 1962
Herbert Emmerich United States of America 1962 – 1968
Nicola Stepanovic Yugoslavia 1968 – 1974
Gustavo Martinez – Cabanas Mexico 1974 – 1977
Lopez Rodo Spain 1977 – 1983
Joseph Kaiser Federal Republic of Germany 1983 – 1986
Mohammed Al Tawail Saudi Arabia 1986 – 1989
Alfred Zuck United States of America 1989 – 1992
Guy Braibant France 1992 – 1995
David Brown Canada 1995 – 1998
Ignacio Pichardo Pagaza Mexico 1998 – 2001
Jean-Marie Atangana Mebara Cameroon 2001 – 2004
Franz Strehl Austria 2004 – 2010
Pan Suk Kim South Korea 2010 – 2013
Geert Bouckaert Belgium 2013 –

Secretaries General, Directors General

Name  Country of Origins Period
Secretaries General
Daniel Warnotte Belgium 1930 – 1936
Edmond Lesoir Belgium 1930 ? 1952*
Directors General
Nom Pays d’origine Période
Paul Schillings Belgium 1953 – 1970
Jacques Stassen Belgium 1970 – 1979
Guy Braibant France 1979 – 1981
Michel Lesage France 1981 – 1986
Jean-Louis de Brouwer Belgium 1986 – 1988
Carlos Almada Mexico 1988 – 1991
Turkia Ould Daddah Mauritania 1991 – 1998
Giancarlo Vilella ?taly 1999 – 2001
Michael Duggett United Kingdom 2001 – 2006
Rolet Loretan Switzerland 2006-

* E. Lesoir resigned on 1st septembre 1952. He was replaced by P. Shillings who, in 1952 bears the title of Services Director of the Institute.