| C/O DIAMOND MANAGING AGENTS ACTIVE | Secretary | 01 Jun 2015 | | | | Global House, 1 Ashley Avenue, Epsom, Surrey, KT18 5AD, England |
| ROSS, Murray Fraser ACTIVE | Director | 15 Sep 2008 | | England | December 1980 | 12 Heathview Court, 70 Parkside, Wimbledon, London, SW19 5NL |
| TOUMADJ, Nazila, Dr ACTIVE | Director | 01 Sep 2010 | | United Kingdom | January 1981 | 19, Heathview Court, Parkside, London, SW19 5NL, United Kingdom |
| KEANE, Margaret Mary RESIGNED | Secretary | 06 Jun 1997 | 05 Dec 2001 | | | 212 Mays Lane, Barnet, Hertfordshire, EN5 2QQ |
| ROGERS, Virginia Lois RESIGNED | Secretary | 07 May 1992 | 26 Nov 1992 | | | 24 Heathview Court, London, SW19 5NL |
| ROGERSON, Bruce William RESIGNED | Secretary | 19 Jul 2005 | 12 Feb 2007 | | | 3 Heathview Court, 70 Parkside Wandsworth, London, SW19 5NL |
| SHULMAN, Harvey Barry RESIGNED | Secretary | 21 Mar 1997 | 06 Jun 1997 | | | 88 Kingsley Way, London, N2 0EN |
| TONKIN, Charles Barrie RESIGNED | Secretary | 26 Nov 1992 | 21 Mar 1997 | | | 1 Stonecroft Close, Barnet Road, Arkley, Barnet, Hertfordshire, EN5 3HE |
| HML COMPANY SECRETARIAL SERVICES LTD RESIGNED | Secretary | 01 Nov 2013 | 26 May 2015 | | | 9-11, The Quadrant, Richmond, Surrey, TW9 1BP, United Kingdom |
| JORDAN COMPANY SECRETARIES LIMITED RESIGNED | Secretary | 12 Feb 2007 | 20 Dec 2013 | | | 21 St Thomas Street, Bristol, BS1 6JS |
| LONDON LAW SECRETARIAL LIMITED RESIGNED | Nominee Secretary | 07 May 1992 | 07 May 1992 | | | 84 Temple Chambers, Temple Avenue, London, EC4Y 0HP |
| SOLITAIRE SECRETARIES LTD RESIGNED | Secretary | 05 Dec 2001 | 19 Jul 2005 | | | Lynwood House, 10 Victors Way, Barnet, Hertfordshire, EN5 5TZ |
| CLULOW, Megan Barbara RESIGNED | Director | 31 Oct 2007 | 31 Aug 2010 | | May 1978 | Flat 5 Heathview Court 70 Parkside, London, SW19 5NL |
| HARRIS, Guy Jonathan Charles RESIGNED | Director | 10 Dec 2004 | 05 Feb 2014 | | July 1968 | Farthings, Delling Lane, Bosham, West Sussex, PO18 8NR |
| HOWARTH, Graham RESIGNED | Director | 01 Sep 1995 | 05 Dec 2001 | | February 1947 | 16 Childerstone Close, Liphook, Hampshire, GU30 7XE |
| LAFFERTY, James RESIGNED | Director | 14 Mar 2017 | 18 Sep 2023 | England | August 1981 | Global House, 1 Ashley Avenue, Epsom, Surrey, KT18 5AD, England |
| LUNN, Sean RESIGNED | Director | 11 Feb 2006 | 10 Jul 2007 | | July 1976 | 6 Heathview Court, 70 Parkside Wimbledon, London, SW19 5NL |
| MANIERA, Osman RESIGNED | Director | 07 May 1992 | 19 Jul 2005 | United Kingdom | March 1936 | 2 Heathview Court, 70 Parkside, London, SW19 5NL |
| MYERS, Benjamin Nicholas RESIGNED | Director | 06 Jan 2014 | 06 Feb 2017 | United Kingdom | November 1983 | Global House, 1 Ashley Avenue, Epsom, Surrey, KT18 5AD, England |
| PAIS BOUZAR, Josephine RESIGNED | Director | 21 Oct 2002 | 08 Nov 2004 | | July 1960 | Flat 8 Heathview Court, London, SW19 5NL |
| PATTERSON, Stuart RESIGNED | Director | 20 Mar 2005 | 15 Jun 2006 | | April 1975 | 20 Heathview Court, 70 Parkside, London, Greater London, SW19 5NL |
| PEDRAMNIA, Mahmoud RESIGNED | Director | 20 Mar 2005 | 31 Oct 2007 | | May 1978 | 23 Heathview Court, 70 Wimbledon Parkside, London, SW19 5NL |
| PETERS, Harald RESIGNED | Director | 07 May 1992 | 30 Jun 1995 | | April 1939 | 6 Heathview Court, London, SW19 5NL |
| REVILL, Kelly Ann RESIGNED | Director | 01 Nov 2002 | 03 Dec 2004 | England | December 1959 | 1 Manor Farm Close, Worcester Park, Surrey, KT4 7QX |
| ROGERS, Virginia Lois RESIGNED | Director | 07 May 1992 | 30 Nov 1993 | | August 1959 | 24 Heathview Court, London, SW19 5NL |
| ROGERSON, Bruce William RESIGNED | Director | 20 Mar 2005 | 31 Oct 2007 | | August 1974 | 3 Heathview Court, 70 Parkside Wandsworth, London, SW19 5NL |
| STARR-MARSHALL, Kate RESIGNED | Director | 31 Oct 2007 | 01 Dec 2008 | | January 1978 | 20 Heathview Court, 70 Parkside, Wimbledon, London, SW19 5NL |
| SWALES, Nayana RESIGNED | Director | 07 Jan 2013 | 07 Dec 2018 | United Kingdom | July 1978 | 72, Dupont Road, Raynes Park, London, SW20 8EQ, United Kingdom |
| WALKER, Catherine Anne RESIGNED | Director | 01 Nov 2002 | 15 Nov 2004 | | February 1971 | 6 Heathview Court, 70 Parkside, Wimbledon, London, SW19 5NL |
| LONDON LAW SERVICES LIMITED RESIGNED | Nominee Director | 07 May 1992 | 07 May 1992 | | | 84 Temple Chambers, Temple Avenue, London, EC4Y 0HP |