Interview with Joseph Weyland, Director in the Economic Relations and Cooperation Directorate of the Luxembourg Foreign Ministry from 1979 to 1983, Permanent Representative of Luxembourg to the United Nations in New York from 1983 to 1984, Permanent Representative of Luxembourg to the European Communities in Brussels from 1984 to 1991, General Secretary in the Luxembourg Foreign Ministry from 1991 to 1992, Ambassador in London for the United Kingdom, Ireland and Iceland from 1993 to 2002, Ambassador in Brussels for Belgium and Permanent Representative of Luxembourg to NATO from 2003 to 2005 and Ambassador in Washington for the United States, Canada and Mexico from 2005 to 2008, carried out by the Centre Virtuel de la Connaissance sur l’Europe (CVCE) on 19 February and 27 April 2010 at the CVCE’s base at the Château de Sanem. The interview was conducted by François Klein, Scientific Collaborator at the CVCE, and particularly focuses on the milestones in Weyland’s diplomatic career and the changing priorities of Luxembourg diplomacy.