| POWELL, Simon Mark ACTIVE | Secretary | 19 Dec 2009 | | | | 160, Victoria Street, London, SW1E 5LB, England |
| BARR, Johanna Katharina ACTIVE | Director | 01 Jan 2025 | | United Kingdom | April 1980 | 160, Victoria Street, London, SW1E 5LB, England |
| CHAVANNE, Nicolas Olivier ACTIVE | Director | 01 Jan 2025 | | England | August 1976 | 160, Victoria Street, London, SW1E 5LB, England |
| GENTILE, Susan Anne ACTIVE | Director | 01 Dec 2022 | | United States | February 1967 | 160, Victoria Street, London, SW1E 5LB, England |
| NUCCIO, Justin Alexander ACTIVE | Director | 26 Jun 2012 | | United Kingdom | March 1971 | 160, Victoria Street, London, SW1E 5LB, England |
| HENNESSY, Janet Louise RESIGNED | Secretary | 15 May 2001 | 18 Dec 2009 | | | 129 Lincoln Street, Melrose, Ma 02176, United States Of America |
| LAUER, Thomas Henry RESIGNED | Secretary | | 15 May 2001 | | | 18 Ordway Road, Wellesley Hills, Ma 02181, FOREIGN, Usa |
| ADVENT INTERNATIONAL PUBLIC LIMITED COMPANY RESIGNED | Secretary | 19 Dec 2009 | 19 Dec 2009 | | | 111, Buckingham Palace Road, London, SW1W 0SR, United Kingdom |
| ALLEN, Thomas Alexander RESIGNED | Director | 23 Feb 2017 | 31 Dec 2024 | England | November 1977 | 160, Victoria Street, London, SW1E 5LB, England |
| ARMSTRONG, Thomas Robert RESIGNED | Director | | 24 Aug 1998 | | September 1944 | 21 Chandler Circle, Weston, Ma 02193, FOREIGN, Usa |
| BATTCOCK, Humphrey William RESIGNED | Director | 01 Sep 2006 | 30 Dec 2008 | England | September 1955 | 1 Linton Road, Oxford, Oxfordshire, OX2 6UG |
| BROCKLEBANK, James Gerald Arthur RESIGNED | Director | 01 Mar 2013 | 07 Aug 2019 | United Kingdom | April 1970 | 160, Victoria Street, London, SW1E 5LB, England |
| BROOKE, Peter Albert RESIGNED | Director | | 27 Jan 1995 | | October 1929 | 8 Barretts Mill Road, Concord, Ma 01742, FOREIGN, Usa |
| BROWN, Douglas Richard RESIGNED | Director | | 24 Aug 1998 | | April 1954 | Mountleigh 16 The Barton, Cobham, Surrey, KT11 2NJ |
| HOFFMAN, Mark RESIGNED | Director | | 24 Aug 1998 | | December 1938 | 21 Campden Hill Square, London, W8 7JY |
| JAMES, Joanna Margaret RESIGNED | Director | 15 May 2001 | 03 Nov 2014 | England | May 1958 | Flagpole House, High Street, Bray, Maidenhead, Berkshire, SL6 2AA |
| KANE, Richard RESIGNED | Director | 26 Jan 2012 | 31 Dec 2022 | United States | January 1963 | 160, Victoria Street, London, SW1E 5LB, England |
| MALANI, Shonnel RESIGNED | Director | 24 Apr 2023 | 31 Dec 2024 | England | November 1979 | 160, Victoria Street, London, SW1E 5LB, England |
| MITCHELL, Desmond Gerrard RESIGNED | Director | 03 May 2005 | 31 Dec 2011 | United Kingdom | August 1957 | 32 Rue Philippe Ii, Luxembourg, L2340, Luxembourg |
| PADUCH, Jeffrey David RESIGNED | Director | 23 Feb 2017 | 02 Mar 2023 | United Kingdom | December 1978 | 160, Victoria Street, London, SW1E 5LB, England |
| PRELZ OLTRAMONTI, Massimo Giovanni RESIGNED | Director | 27 Jan 1995 | 12 Apr 1999 | | November 1954 | 58 Kensington Park Road, London, W11 3BJ |
| SCHMIDT II, William Charles RESIGNED | Director | 15 May 2001 | 31 Dec 2012 | England | October 1955 | Deepdene Road, 19 Deepdene Wood, Dorking, Surrey, RH5 4BG |
| SINGER, John Brian Harold Christopher Anthony RESIGNED | Director | 15 May 2001 | 31 Dec 2011 | England | May 1951 | 1 Hillsleigh Road, London, W8 7LE |
| SIVOLELLA, Eileen RESIGNED | Director | 31 Jul 2012 | 01 Dec 2022 | United States | August 1964 | 160, Victoria Street, London, SW1E 5LB, England |
| TADLER, Steven RESIGNED | Director | 25 Aug 1998 | 30 Apr 2008 | | September 1959 | 3 Brookwood Road, PO BOX 139, Manchester, Ma 01944, Usa |
| WAKEMAN, Frederic RESIGNED | Director | 01 Jan 2009 | 31 Dec 2013 | United Kingdom | February 1962 | 105 Hurlingham Road, London, SW6 3NL |
| WALKER, John, Dr RESIGNED | Director | 19 Sep 1994 | 20 Jan 2006 | | April 1940 | Fairlawn Christchurch Road, Wentworth, Surrey, GU25 4PJ |