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Directors-General of Security
From
To
David Irvine 30 March 2009 Present
Paul O'Sullivan 21 July 2005 28 February 2009
Dennis Richardson AO 11 October 1996 27 May 2005
David Sadleir AO 27 April 1992 10 October 1996
John Moten 8 October 1988 10 January 1992
Alan Wrigley AO 29 July 1985 7 October 1988
Harvey Barnett AO 7 September 1981 28 July 1985
Justice Sir Edward Woodward OBE 9 March 1976 4 September 1981
Frank Mahony CB OBE 29 September 1975 8 March 1976
Peter Barbour 22 January 1970 28 September 1975
Colonel (later Brigadier Sir) Charles Spry CBE DSO 6 July 1950 21 January 1970
Justice Geoffrey Reed 16 March 1949 30 June 1950