| O.H. SECRETARIAT LIMITED ACTIVE | Secretary | 30 Apr 2008 | | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| TURNER, David Allan, Mr. ACTIVE | Director | 18 Dec 2009 | | United Kingdom | November 1971 | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| O.H. DIRECTOR LIMITED ACTIVE | Director | 30 Apr 2008 | | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| DAVIS, Philip Stephen James RESIGNED | Secretary | 18 Aug 2000 | 23 Mar 2001 | | | Two Pearman Cottages, 29 Chertsey Road, Chobham, Surrey, GU24 8PD |
| GROSSET, Margaret Wilhelmina RESIGNED | Secretary | 23 Apr 1999 | 18 Aug 2000 | | | 7 Arnprior Place, Alloway, Ayrshire, KA7 4PT |
| MCCARTHY, Anne Patricia RESIGNED | Secretary | 02 Feb 1998 | 23 Apr 1999 | | | 46 Torcross Road, South Ruislip, Middlesex, HA4 0TD |
| MUSKER, Graeme Harold Rankine RESIGNED | Secretary | | 25 Jan 1993 | | | 21 Portland Place, Kemptown, Brighton, East Sussex, BN2 1DH |
| REVILL, Ian RESIGNED | Secretary | 25 Jan 1993 | 31 Jan 1994 | | | 11 Kevan Drive, Send, Woking, Surrey, GU23 7BU |
| SPARKS, Raymond Richard RESIGNED | Secretary | 31 Jan 1994 | 02 Feb 1998 | | | 19 Queens Road, Byfleet, West Byfleet, Surrey, KT14 7AD |
| THORN-DAVIS, Scott Peter RESIGNED | Secretary | 23 Mar 2001 | 28 Mar 2003 | | | 5 Latham Road, Twickenham, Middlesex, TW1 1BN |
| TURNER, George St John RESIGNED | Secretary | 28 Mar 2003 | 30 Apr 2008 | | | The Manse, Main Street, Bythorn, Cambridgeshire, PE28 0QR |
| BLACKWOOD, David Charles RESIGNED | Director | 10 Nov 2000 | 29 Mar 2007 | United Kingdom | March 1959 | 7 Mizen Close, Cobham, Surrey, KT11 2RJ |
| CHARLTON, John Michael RESIGNED | Director | 28 May 1993 | 03 Aug 1998 | England | September 1943 | Dunstone, 5 Broomfield Ride, Oxshott, Surrey, KT22 0LR |
| GEE, David John RESIGNED | Director | 01 Apr 1996 | 29 Mar 2007 | England | November 1947 | 20, Manchester Square, London, W1U 3AN |
| GILLETT, Philip John RESIGNED | Director | 03 Jan 1996 | 30 Apr 2008 | United Kingdom | January 1951 | Cedar House, Rockfield Road, Oxted, Surrey, RH8 0EJ |
| GRAY, Frederick Philp RESIGNED | Director | | 31 Aug 1994 | England | April 1944 | Torran, 22 The Ridings, East Horsley, Surrey, KT24 5BN |
| HERLIHY, Michael Hugh Creedon RESIGNED | Director | | 03 Jan 1996 | United Kingdom | March 1953 | Greensands, Pine Grove, Chichester, West Sussex, PO19 3PN, England |
| HIRST, John Raymond RESIGNED | Director | 03 Apr 1995 | 01 Apr 1996 | | August 1952 | 53b Windsor Road, Maidenhead, Buckinghamshire, SL6 2DN |
| LADD, Ian Richard RESIGNED | Director | 29 Mar 2007 | 30 Apr 2008 | | July 1966 | Flat 4, 22 Greencroft Gardens, London, NW6 3LS |
| LYLE, Norman RESIGNED | Director | | 28 May 1993 | | September 1947 | The Columbary, Woodcote Park, Epsom, Surrey, KT18 7EN |
| MARSHALL, Ivan RESIGNED | Director | | 28 May 1993 | United Kingdom | October 1940 | 2 Brownfield Way, Wheathampstead, St Albans, Hertfordshire, AL4 8LL |
| REVILL, Ian RESIGNED | Director | 24 Jan 1994 | 01 Sep 1995 | United Kingdom | December 1951 | 11 Kevan Drive, Send, Woking, Surrey, GU23 7BU |
| ROSS, Robert Leonard Gordon Knox RESIGNED | Director | 29 Mar 2007 | 18 Dec 2009 | United Kingdom | July 1958 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG, United Kingdom |
| SEARLES, David Arthur RESIGNED | Director | 08 Aug 1994 | 03 Apr 1995 | | January 1948 | Oak Tree Cottage, Tower Road Coleshill, Amersham, Buckinghamshire, HP7 0LB |
| SHORT, Colin Maxwell RESIGNED | Director | | 10 Jan 1994 | | September 1934 | 25 Chester Street, London, SW1X 7BL |
| SPALL, Alan George RESIGNED | Director | | 03 Aug 1998 | | May 1944 | Fairacre, The Drive Wonersh Park Wonersh, Guildford, Surrey, GU5 0QW |
| VALLANCE, Christopher, Dr RESIGNED | Director | 01 Sep 1995 | 26 Apr 2001 | | November 1944 | Rivendell, Oxlea Road, Torquay, Devon, TQ1 2HF |