| MIDDLETON, Marita Ann ACTIVE | Secretary | 22 Nov 2025 | | | | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| CROUCH, John Bertram ACTIVE | Director | 21 May 2022 | | England | August 1971 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| DONALDSON, Laura Suzanne ACTIVE | Director | 14 Sep 2019 | | England | April 1992 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| FISHER, Hayley ACTIVE | Director | 25 Apr 2026 | | England | October 1972 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| HERON, Robert Jeremy ACTIVE | Director | 25 Nov 2023 | | England | April 1960 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| KHAN, Mokbul ACTIVE | Director | 31 Jan 2021 | | England | October 1977 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| MIDDLETON, Marita Ann ACTIVE | Director | 13 Oct 2024 | | England | January 1954 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| PLANT, John ACTIVE | Director | 14 Oct 2023 | | United Kingdom | January 1986 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| PRESTON, Richard Alan ACTIVE | Director | 15 Sep 2018 | | England | May 1951 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| VARLEY, Richard John ACTIVE | Director | 16 Apr 2016 | | England | January 1960 | Didcot Railway Centre, Station Road, Didcot, Oxfordshire, OX11 7NJ, England |
| BAKER, James Edward, Squadron Leader RESIGNED | Secretary | 16 May 2006 | 13 Nov 2007 | | | 3 Oak Avenue, Ickenham, Uxbridge, Middlesex, UB10 8LP |
| COOPER, Frank RESIGNED | Secretary | 13 Nov 2007 | 17 Sep 2016 | | | Gws Ltd, Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| COOPER, Frank RESIGNED | Secretary | 12 Feb 2002 | 16 May 2006 | | | 35 Beecham Road, Shipston On Stour, Warwickshire, CV36 4RJ |
| O'HAGAN, John Bernard, Dr RESIGNED | Secretary | | 12 Feb 2002 | | | Brubell 13 Chapel Road, Stanford In The Vale, Faringdon, Oxfordshire, SN7 8LE |
| VARLEY, Richard John RESIGNED | Secretary | 17 Sep 2016 | 22 Nov 2025 | | | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| ANTLIFF, Richard John Gregory RESIGNED | Director | 19 Jan 2013 | 27 Jan 2019 | England | August 1953 | Didcot Railway Centre, Station Road, Didcot, Oxfordshire, OX11 7NJ, England |
| BAKER, James Edward, Squadron Leader RESIGNED | Director | 16 May 2006 | 13 Nov 2007 | | July 1946 | 3 Oak Avenue, Ickenham, Uxbridge, Middlesex, UB10 8LP |
| BARLOW, Jon Lennard RESIGNED | Director | 15 Sep 2018 | 22 Jan 2022 | England | January 1945 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| BEACHAM, Richard John RESIGNED | Director | | 02 Sep 1995 | | March 1953 | 11 Barleyfields, Didcot, Oxfordshire, OX11 0BH |
| BODSWORTH, Michael Clifford Forman RESIGNED | Director | 11 May 2004 | 27 Jan 2019 | England | March 1943 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| BRADSHAW, David RESIGNED | Director | 19 Jan 2013 | 18 Sep 2016 | England | May 1943 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| BREAKSPEAR, Martin Frederick William RESIGNED | Director | 29 Oct 1996 | 11 Feb 2003 | | November 1947 | 40 Blackwater Way, Didcot, Oxfordshire, OX11 7RL |
| BULLOCK, Richard RESIGNED | Director | 20 Apr 1993 | 06 Jul 1999 | | November 1940 | 27 Appleford Drive, Abingdon, Oxfordshire, OX14 2BZ |
| COOPER, Frank RESIGNED | Director | 03 Oct 2012 | 18 Feb 2017 | England | May 1943 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| COOPER, Frank RESIGNED | Director | 12 Feb 2002 | 10 Sep 2005 | England | May 1943 | 35 Beecham Road, Shipston On Stour, Warwickshire, CV36 4RJ |
| CROUCHER, Anthony Richard RESIGNED | Director | | 27 Jan 2019 | England | April 1945 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| DAVIES, Briane Hammond RESIGNED | Director | | 19 Jul 1994 | | January 1935 | The Kymin, Lilian Road, Blackwood, Gwent, NP2 1DN |
| DREW, Graham Colin RESIGNED | Director | 08 Apr 2008 | 03 Oct 2012 | England | June 1942 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| DRYDEN, Grahame RESIGNED | Director | 03 Jun 1997 | 01 Nov 1998 | | January 1946 | 25 Skerritt Way, Purley On Thames, Reading, Berkshire, RG8 8DD |
| FRY, Robert Wilson RESIGNED | Director | 03 Oct 2012 | 04 Jul 2015 | England | July 1945 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| HERRIDGE, Christopher William RESIGNED | Director | 24 Aug 1993 | 06 Oct 1998 | | March 1945 | The Old Chapel Chapel Lane, Shotteswell, Banbury, Oxfordshire, OX17 1JB |
| HORWOOD, Roger James RESIGNED | Director | | 15 Sep 2018 | England | March 1954 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| HOSEGOOD, John Gilbert RESIGNED | Director | 12 Mar 1996 | 06 Oct 1998 | | May 1949 | Trident Gate Old Sodom Lane, Dauntsey, Chippenham, Wiltshire, SN15 4NZ |
| HOWELLS, Dennis Brynley RESIGNED | Director | 11 May 1999 | 14 Feb 2012 | Unted Kingdom | November 1939 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| HURD, David John RESIGNED | Director | 11 Nov 2003 | 01 Jan 2010 | England | April 1954 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| JHITA, Emma RESIGNED | Director | 12 Feb 2021 | 13 May 2022 | England | September 1981 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| KEYS, Anthony James RESIGNED | Director | 15 Sep 2018 | 23 Jan 2026 | England | October 1941 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| KNOWLES, Adrian Jocelyn RESIGNED | Director | 04 Jul 2015 | 15 Sep 2018 | England | December 1952 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| LLOYD, Geoffrey Charles, Professor RESIGNED | Director | 15 Sep 2018 | 23 Mar 2019 | Wales | April 1946 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| MIDDLETON, Marita Ann RESIGNED | Director | 07 Mar 2000 | 08 Oct 2022 | England | January 1954 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| MINCHIN, John Everidge Benedict RESIGNED | Director | 11 May 2004 | 10 Mar 2009 | | October 1947 | 9 Blackthorn Court, Dormers Wells Lane, Southall, Middlesex, UB1 3HT |
| MITCHELL, Kirsty Lorraine RESIGNED | Director | 22 May 2021 | 07 Dec 2021 | England | July 1968 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| O'HAGAN, John Bernard, Dr RESIGNED | Director | | 11 Oct 2025 | England | February 1957 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| ORCHARD, Roger William RESIGNED | Director | 16 Apr 2016 | 14 Apr 2019 | England | May 1954 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| PERRY, Graham Alan RESIGNED | Director | | 31 Jan 2002 | | April 1944 | Mead Edge The Lynch, East Hendred, Wantage, Oxfordshire, OX12 8LB |
| POCOCK, Timothy James RESIGNED | Director | 15 Sep 2018 | 21 Oct 2019 | England | February 1948 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| PRESTON, Richard Alan RESIGNED | Director | 03 Mar 1992 | 17 Oct 1998 | England | May 1951 | 8 Priory Place, Hungerford, Berkshire, RG17 0AD |
| RANCE, Peter Anthony RESIGNED | Director | 15 Nov 2014 | 27 Jan 2019 | England | August 1950 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| SCUTT, Brian Percy Hugh RESIGNED | Director | 03 Jun 1997 | 13 Sep 2003 | | February 1937 | 31 Rivershill, Watton At Stone, Hertford, Hertfordshire, SG14 3SD |
| STANNETT, Roy RESIGNED | Director | | 12 Feb 2008 | | April 1947 | 97 Brunel Road, Maidenhead, Berkshire, SL6 2RT |
| THOMPSON, Charles Martin RESIGNED | Director | 04 Jul 2015 | 07 Jan 2023 | England | June 1956 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| WALKER-JONES, Rosemary Anne RESIGNED | Director | 07 Sep 2019 | 30 Mar 2024 | England | August 1981 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| WALSHAM, Leanne Alice RESIGNED | Director | 20 Apr 2024 | 11 Oct 2025 | England | December 1989 | Didcot Railway Centre, Didcot, Oxfordshire, OX11 7NJ |
| WHETMATH, Charles Frederick RESIGNED | Director | | 15 May 2008 | | February 1945 | 56 Ashford Road, Swindon, Wiltshire, SN1 3NS |
| WILLIAMS, Christopher Jones RESIGNED | Director | | 29 Oct 1996 | | August 1952 | 7 Mead Platt, Stokenchurch, High Wycombe, Buckinghamshire, HP14 3PZ |