Hastings Ismay, 1. baron av Ismay (1952–57) · Paul-Henri Spaak (1957–61) · Dirk Stikker (1961–64) · Manlio Brosio (1964–71) · Joseph Luns (1971–84) · Peter Carington (1984–88) · Manfred Wörner (1988–94) · Sergio Balanzino (Fungerande, 1994) · Willy Claes (1994–95) · Sergio Balanzino (Fungerande, 1995) · Javier Solana (1995–99) · George Robertson (1999–2003) · Alessandro Minuto-Rizzo (Fungerande, 2003–04) · Jaap de Hoop Scheffer (2004–09) · Anders Fogh Rasmussen (2009–14) · Jens Stoltenberg (2014–) |