1961   H Norman (later Sir Norman) Brain
1966   Sir Keith Unwin
1969   Geoffrey (later Sir Geoffrey) Jackson
1971   James P Hennessy, Chargé d'Affaires
1972   Peter R Oliver
1977   William Peters
1980   Patricia M Hutchinson
1983   Charles W Wallace
1986   Eric V Vines
1989   Colum J Sharkey
1991   Donald A Lamont
1995   Robert A M Hendrie
1998   Andrew Murray
2001   John V Everard
2005   Hugh Salvesen