| SULLIVAN, Alison Mary Catherine ACTIVE | Secretary | 01 Oct 2010 | | | | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| WRIGHT, Emma Danielle ACTIVE | Director | 01 Apr 2021 | | United Kingdom | May 1973 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| DAVIDSON, Louis Cameron RESIGNED | Secretary | 08 Dec 1993 | 18 May 2006 | | | 7 Roughlands, Pyrford, Woking, Surrey, GU22 8PT |
| GRUNBAUM, Norman Naftali RESIGNED | Secretary | | 08 Dec 1993 | | | 7 Northdene Gardens, London, N15 6LX |
| JONES, Michael Manson RESIGNED | Secretary | 18 May 2006 | 01 Oct 2010 | | | 16 Cornwall Road, Twickenham, TW1 3LS |
| ASHBERY, Madeleine Sylvia RESIGNED | Director | 16 Jul 1993 | 18 May 2006 | United Kingdom | October 1950 | Claverhouse 24b The Gardens, Beckenham, Kent, BR3 5PH |
| BATTAGLIA, Mark RESIGNED | Director | 30 Sep 1997 | 08 Nov 2002 | | February 1960 | 20239 N Meadow Lane, Barrington 60010, Illinois Usa, FOREIGN |
| BRINKMANN, Robert Joseph RESIGNED | Director | 30 Sep 1997 | 02 Dec 2009 | | May 1958 | 450, Sherman Road, Glenview, Illinois, 60026 Usa |
| BROWN, Nicholas Mackenzie RESIGNED | Director | 31 Mar 1995 | 31 Jul 1998 | | September 1958 | Hope Cottage 18 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NW |
| CIRO, Anthony Gregory RESIGNED | Director | 02 Dec 2009 | 09 Sep 2015 | Usa | May 1965 | 1704, Waverly Circle, St Charles, Illinois, 60174, Usa |
| DAVIDSON, Louis Cameron RESIGNED | Director | 30 Sep 1997 | 18 May 2006 | England | July 1952 | 7 Roughlands, Woking, Surrey, GU22 8PT |
| DEWEY, Adrian Charles RESIGNED | Director | 15 Apr 2002 | 18 May 2006 | | March 1963 | 11 Brook Street, Tonbridge, Kent, TN9 2PP |
| DURRELL, Ian Stanley RESIGNED | Director | 30 Sep 1997 | 19 Dec 2005 | | June 1942 | Priory Court 52 High Street, Whitchurch, Aylesbury, Buckinghamshire, HP22 4JS |
| FERGUSON, Ian Duncan RESIGNED | Director | 09 Sep 2015 | 01 Apr 2021 | United Kingdom | April 1968 | Ibm United Kingdom Limited (Legal Department), 76 Upper Ground, South Bank, London, SE1 9PZ, United Kingdom |
| GRUNBAUM, Norman Naftali RESIGNED | Director | | 31 Aug 1998 | England | April 1946 | 7 Northdene Gardens, London, N15 6LX |
| GWILLIAM, Stephanie Jane RESIGNED | Director | | 08 Jul 1996 | England | June 1960 | 1 Redroofs Close, The Avenue, Beckenham, Kent, BR3 2YR |
| HAMBURG, Edward Louis RESIGNED | Director | 30 Sep 1997 | 20 Sep 2004 | | May 1951 | 1309 E 50th Street, Chicago Illinois, 60612, Usa |
| JEFFERS, David John RESIGNED | Director | 02 Dec 2009 | 05 Apr 2014 | United Kingdom | November 1954 | 71, Quaves Road, Slough, Berkshire, SL3 7PD, United Kingdom |
| JONES, Michael Manson RESIGNED | Director | 18 May 2006 | 09 Sep 2015 | United Kingdom | October 1963 | 16 Cornwall Road, Twickenham, TW1 3LS |
| KOSTER, Amthomius Maria, Yht Vp RESIGNED | Director | 30 Sep 1997 | 31 Jul 2003 | | April 1950 | Tjalk 39, Loosdrecht, 1231 TT, Netherlands |
| KOTTLER, Richard Ellis RESIGNED | Director | 01 Sep 1981 | 22 Feb 2005 | United Kingdom | March 1947 | Grangewood, Seven Hills Close, Walton-On-Thames, Surrey, KT12 4DA, United Kingdom |
| LEGG, Anthony RESIGNED | Director | 01 Jan 1988 | 31 Jul 2004 | | May 1949 | 4 Denton Close, Abingdon, Oxfordshire, OX14 3UP |
| MARINELLI, Joseph RESIGNED | Director | | 15 Aug 2002 | | May 1953 | 604 South Randolphville Road, Piscataway, New Jersey, 08854, Usa |
| MOLLOY, Christopher Patrick RESIGNED | Director | 03 Jul 1995 | 31 May 1996 | | February 1960 | 33 Bertram Cottages, Wimbledon, London, SW19 1LQ |
| NELSON, Marc David RESIGNED | Director | 02 Dec 2009 | 01 Nov 2013 | Usa | December 1955 | 103, Hillshire Drive, Inverness, Illinois, 60010, Usa |
| NOONAN, Jack RESIGNED | Director | 30 Sep 1997 | 02 Dec 2009 | | August 1947 | 340 East Randolph Street 62phw, Chicago, Illinois 60601, U S A |
| PHELAN, Susan RESIGNED | Director | 30 Sep 1997 | 30 Apr 2004 | | October 1956 | 1366 N Dearborn 12c, Chicago, Illionis, 60610, United States Of America |
| REHLING, Louise E. RESIGNED | Director | 30 Sep 1997 | 30 Sep 2000 | | February 1944 | 200 E Delaware Place No.30f, Chicago, Illinois (County Of Cook), 60611, Usa |
| ROSS, Edward Sherman RESIGNED | Director | | 03 Oct 1997 | England | February 1944 | 4, Nutley Terrace, London, NW3 5BX |