| JUGGINS, David ACTIVE | Director | 18 Jan 2023 | | England | February 1972 | Not available |
| MOUNZEO, Lazare ACTIVE | Director | 23 Dec 2020 | | France | September 1967 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| BEARD, Paul John RESIGNED | Secretary | 12 Nov 1993 | 25 Jan 1994 | | | 1-155 Second Avenue, Royston Park South Australia, 5070, FOREIGN, Australia |
| BERRY, James RESIGNED | Secretary | 28 Feb 2006 | 21 Dec 2007 | | | 11 Veroon St, Williamstown, Victoria 3016, Australia |
| CAMPBELL, Lynne RESIGNED | Secretary | 01 Oct 2012 | 18 Sep 2015 | | | 1, Carlyle Avenue, Aylesbury, Buckinghamshire, HP21 7TD, United Kingdom |
| CHARLES, Andrew Robert RESIGNED | Secretary | 21 Dec 2007 | 31 Aug 2012 | | | 4, Cheltenham Close, Rushden, Northamptonshire, NN10 0YN, United Kingdom |
| HAYSMAN, Lihini Sweeneetha RESIGNED | Secretary | 25 Jan 1994 | 15 Nov 1996 | | | 9 White Avenue, Kensington Gardens, South Australia, FOREIGN |
| HEFFERNAN, Glenn RESIGNED | Secretary | 17 Feb 1996 | 28 Aug 1998 | | | 77 Service Street, Hampton, Melbourne, Victoria, 3188, Australia |
| HOLMWOOD, Myra Anne RESIGNED | Secretary | 12 Jan 1995 | 17 Feb 1996 | | | 126 Everton Road, Potton, Sandy, Bedfordshire, SG19 2PD |
| LYNCH, Paul Joseph RESIGNED | Secretary | 28 Aug 1998 | 02 Mar 2001 | | | 12 Old Oak, St Albans, Hertfordshire, AL1 2EF |
| MARCARD, Jonathan RESIGNED | Secretary | 02 Mar 2001 | 21 Mar 2001 | | | 3 Athol Street, Prahran, Victoria 3181, Australia |
| MCGRAW, David John RESIGNED | Secretary | 21 Mar 2001 | 30 Jun 2015 | | | 156, Kd Tower, Cotterells, Hemel Hempstead, Hertfordshire, HP1 1AT, England |
| MCMANAMON, David RESIGNED | Secretary | 18 Sep 2015 | 31 Dec 2017 | | | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| MILNER, Christopher Michael RESIGNED | Secretary | | 12 Oct 1993 | | | 13 Kanyaka Road, Aldgate, S A 5154, Australia |
| THORNE, Jeffrey Reece RESIGNED | Secretary | 12 Nov 1993 | 25 Sep 1996 | | | 27 Einstein Avenue, Mulgrave Victoria, 3170, Australia |
| ABELL, Christopher John RESIGNED | Director | | 30 Jun 2000 | Australia | November 1946 | Ben Lomond, Kapunda, SA5373, Australia |
| AYTON, Mark RESIGNED | Director | 09 Jun 2016 | 28 Jul 2017 | England | September 1961 | Honeywell, 140 Waterside Road, Leicester, LE5 1TN, United Kingdom |
| CARTER, Nicholas John RESIGNED | Director | 01 Jan 2002 | 10 Mar 2004 | | January 1966 | 20 Greystoke Close, Berkhamsted, Hertfordshire, HP4 3JJ |
| COSTE, Gerald RESIGNED | Director | 01 Jan 2018 | 31 Aug 2018 | Switzerland | November 1973 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| CROOK, Evelyn Jane RESIGNED | Director | 25 Nov 2002 | 27 Jan 2004 | | July 1958 | 21 Youngfield Road, Hemel Hempstead, Hertfordshire, HP1 2LY |
| DEVEREUX, Paul Gerard RESIGNED | Director | 02 Apr 2012 | 15 Oct 2012 | Australia | June 1961 | Peoplebuilding, Maylands Avenue, Hemel Hempstead, Hertfordshire, HP2 4NW, United Kingdom |
| EGGLETON, Stephen John RESIGNED | Director | 01 Jul 1996 | 07 Dec 2001 | | April 1959 | 1 Longmoor Barns, Cublington Road, Aston Abbotts Aylesbury, Buckinghamshire, HP22 4ND |
| FITCHETT, Mark Bernard RESIGNED | Director | 01 Jul 1995 | 13 Dec 1996 | | August 1959 | 21c High Street, Iver, Buckinghamshire, SL0 9ND |
| FOX, James Charles, Dr RESIGNED | Director | 12 Nov 1993 | 28 Feb 2006 | | September 1951 | 1 Parliament Street, Brighton, Victoria 3186, Australia |
| FRASER, Grant William RESIGNED | Director | 09 Jun 2016 | 07 Oct 2016 | United Kingdom | November 1975 | Honeywell, Newhouse Industrial Estate, Motherwell, Lanarkshire, ML1 5SB, Scotland |
| GALIC, Robert Antony RESIGNED | Director | 10 Mar 2004 | 15 Dec 2004 | | March 1964 | 27 Orient Close, St Albans, Hertfordshire, AL1 1AJ |
| GROVES, Lloyd Frederick RESIGNED | Director | 12 Nov 1993 | 28 Aug 1998 | | May 1948 | 28 Day Road, Glen Osmond, South Australia, 5064 |
| JUTHA, Piyush Jayantilal Kanji RESIGNED | Director | 16 Nov 2017 | 18 Dec 2019 | England | February 1972 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| KERSTIN, Stuart Alexander Ernest RESIGNED | Director | 10 Feb 1997 | 31 Aug 2000 | | February 1961 | 54 Russet Drive, Little Billing, Northampton, Northamptonshire, NN3 9TU |
| KRESS, Kolja RESIGNED | Director | 01 Jan 2018 | 15 May 2018 | Germany | March 1975 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| LLOYD, David Anthony RESIGNED | Director | 17 Feb 1996 | 13 Sep 2007 | | February 1954 | 5 Mariemont Avenue, Beaumaris, Victoria, 3193, Australia |
| MACSWEEN, Gordon Murdo RESIGNED | Director | 01 Apr 2005 | 15 Dec 2005 | | May 1967 | Orchard House 2 Edmonton Court, West Bridgford, Nottingham, Nottinghamshire, NG2 7EQ |
| MCGRAW, David John RESIGNED | Director | 01 Jul 2004 | 30 Jun 2015 | England | October 1967 | Peoplebuilding, Maylands Avenue, Hemel Hempstead, Hertfordshire, HP2 4NW, United Kingdom |
| MCMANAMON, David RESIGNED | Director | 30 Jun 2015 | 31 Dec 2017 | Ireland | June 1974 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| MILNER, Christopher Michael RESIGNED | Director | | 12 Oct 1993 | | May 1955 | 13 Kanyaka Road, Aldgate, S A 5154, Australia |
| MURPHY, Peter Anthony RESIGNED | Director | 12 Nov 1993 | 28 Mar 2003 | | October 1944 | 20 Mulgrave Street, Glen Waverley, Victoria, 3150, Australia |
| NORMAN, Timothy John RESIGNED | Director | 01 Jul 2004 | 27 Aug 2004 | | October 1959 | 27 St Peters Road, Twickenham, Middlesex, TW1 1QY |
| NORRIS, Martin RESIGNED | Director | 01 Jan 2018 | 18 Jan 2023 | United Kingdom | January 1969 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| NORRIS, Martin RESIGNED | Director | 28 Feb 2006 | 30 Jun 2007 | United Kingdom | January 1969 | The Malt Steep, 16 North Street Owston Ferry, Doncaster, South Yorkshire, DN9 1RT |
| OHANESSIAN, Michael Bernard RESIGNED | Director | 25 Nov 2002 | 28 Feb 2006 | | June 1964 | 19 Valley Park Grove, Eltham, Victoria 3095, Australia |
| PIZZEY, Charles Euan RESIGNED | Director | 12 Nov 1993 | 28 Feb 2006 | | October 1947 | 58 Fawkner Street, South Yarra, Victoria 3141, Australia |
| SAMHOURI, Samir RESIGNED | Director | 16 Apr 2008 | 30 Jun 2015 | Usa | February 1972 | 1125, Linden Hollow Lane, Orefield, Pa 18069, United States |
| SARAF, Ashish Kumar RESIGNED | Director | 01 Jan 2018 | 30 Oct 2019 | United Kingdom | February 1979 | Honeywell House, Skimped Hill Lane, Bracknell, Berks, RG12 1EB, United Kingdom |
| SAUNDERS, Colm John RESIGNED | Director | 01 Jan 2014 | 15 Dec 2016 | Ireland | March 1972 | Peoplebuilding, Maylands Avenue, Hemel Hempstead, Hertfordshire, HP2 4NW |
| SCOTT, James Edmond, Dr RESIGNED | Director | 04 Oct 1996 | 10 Feb 1997 | United Kingdom | October 1947 | 4 West Wing, Glendon Hall, Kettering, Northamptonshire, NN14 1QE |
| SENINI, Roy RESIGNED | Director | | 07 Sep 1993 | | March 1944 | Hooper Road, Kersbrooke, SA5231, Australia |
| WATSON, William Stanley RESIGNED | Director | 12 Jan 1995 | 29 Mar 1996 | | February 1947 | The Court House, Great Caxwell, Farringdon, Oxfordshire, SN7 7LN |
| WRIGHT, Paul Martin RESIGNED | Director | 09 Nov 2006 | 09 Nov 2006 | | November 1964 | 3/1 Chatsworth Avenue, Brighton, 3166 Victoria, Australia |
| YOUNGER, William Henry RESIGNED | Director | 28 Aug 1998 | 10 Aug 2000 | | August 1951 | 16 Red Plum Place, Doncaster East 3109 Vic, Australia, FOREIGN |