| MCPHILLIPS, Stephen Robert ACTIVE | Secretary | 26 Oct 2012 | | | | 11, Lochend Road, Ratho Station, Newbridge, Midlothian, EH28 8SZ, United Kingdom |
| AVENDANO, Santiago ACTIVE | Director | 25 Sep 2012 | | United Kingdom | September 1968 | Stratford Hatchery, Alscott Industrial Estate, Atherstone On Stour, Stratford-Upon-Avon, Warwickshire, CV37 8BH, United Kingdom |
| DYE, Wendrell Waller ACTIVE | Director | 14 Apr 2018 | | United States | August 1967 | 11, Lochend Road, Ratho Station, Newbridge, EH28 8SZ, Scotland |
| HILL, Christopher Paul ACTIVE | Director | 07 Jul 2003 | | United States | May 1964 | 5015 Bradford Drive, Huntsville, Alabama 35805, United States |
| MCPHILLIPS, Stephen Robert ACTIVE | Director | 03 Jun 2015 | | United Kingdom | June 1966 | 11, Lochend Road, Ratho Station, Newbridge, Midlothian, EH28 8SZ, Scotland |
| RICHMOND, Ivor James ACTIVE | Director | 01 Aug 2022 | | United Kingdom | February 1969 | 11, Lochend Road, Ratho Station, Newbridge, EH28 8SZ, Scotland |
| BRYCE, James Logan RESIGNED | Secretary | 01 Aug 1995 | 30 Nov 2000 | | | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SZ, Scotland |
| HILL, Christopher Paul RESIGNED | Secretary | 25 Jul 2003 | 17 Sep 2003 | | | 5015 Bradford Drive, Huntsville, Alabama 35805, Usa |
| JOLLIFFE, David RESIGNED | Secretary | 01 Dec 2000 | 25 Jul 2003 | | | 9 Lochend Road, Newbridge, Midlothian, EH28 8SZ |
| LEA, Christopher Paul RESIGNED | Secretary | 17 Sep 2003 | 26 Oct 2012 | | | 11 Lochend Road, Newbridge, Edinburgh, Midlothian, EH28 8SZ |
| PAISLEY, Gordon Russell RESIGNED | Secretary | | 01 Aug 1995 | | | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| BARTON, Nigel Francis RESIGNED | Director | | 14 Apr 2005 | | November 1945 | 11 Lochend Road, Newbridge, Edinburgh, Midlothian, EH28 8SZ |
| BROWN, David Gordon RESIGNED | Director | | 31 Dec 1997 | | August 1939 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| BRYCE, James Logan RESIGNED | Director | 01 Feb 1997 | 30 Nov 2000 | | January 1949 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SZ, Scotland |
| BUTLER, David Ernest RESIGNED | Director | | 31 Mar 1996 | | March 1936 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| CLARK, William RESIGNED | Director | 04 Mar 1993 | 30 Jun 1998 | | July 1939 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| DEAR, Graeme, Dr RESIGNED | Director | 03 Nov 2008 | 01 Jul 2018 | United Kingdom | August 1956 | 11, Lochend Road, Ratho Station, Newbridge, Midlothian, EH28 8SZ, United Kingdom |
| EWART, John RESIGNED | Director | | 17 Jul 2000 | | October 1944 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| FITZROY, Edward Anthony Charles, Lord RESIGNED | Director | | 31 Dec 1995 | | August 1928 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| HAMILTON, John RESIGNED | Director | 01 Mar 1997 | 14 Apr 2005 | | May 1963 | 11 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SZ |
| HOGARTH, George Scott RESIGNED | Director | 17 Apr 2002 | 01 Oct 2018 | United Kingdom | November 1958 | 11 Lochend Road, Newbridge, Edinburgh, Midlothian, EH28 8SZ |
| JOLLIFFE, David RESIGNED | Director | 01 Nov 2000 | 25 Jul 2003 | | March 1964 | 9 Lochend Road, Newbridge, Midlothian, EH28 8SZ |
| KOERHUIS, Alphonsus Nicolaas Maria RESIGNED | Director | 25 Sep 2012 | 03 Jun 2015 | Netherlands | December 1966 | Stratford Hatchery, Alscott Industrial Estate, Atherstone On Stour, Stratford-Upon-Avon, Warwickshire, CV37 8BH, United Kingdom |
| LAUGHLIN, Ken, Dr RESIGNED | Director | 17 Jun 2003 | 11 Jan 2005 | | July 1947 | Grantham Hatchery, Gonerby Moor, Grantham, Lincolnshire, NG32 2AB |
| LEA, Christopher Paul RESIGNED | Director | 17 Sep 2003 | 26 Oct 2012 | Uk | January 1967 | 11 Lochend Road, Newbridge, Edinburgh, Midlothian, EH28 8SZ |
| MCADAM, James RESIGNED | Director | 17 Apr 2002 | 11 Jan 2005 | | February 1955 | Aviagen Limited, Lochend Road, Newbridge, Midlothian, EH28 8SZ |
| MENDELEEV, Valery RESIGNED | Director | 15 Apr 2008 | 31 Oct 2008 | | August 1970 | 11, Lochend Road, Newbridge, Midlothian, EH28 8SZ, Scotland |
| NEWTON, David Alexander RESIGNED | Director | | 14 Apr 1993 | | October 1942 | Falcon House, Mellis, Eye, Suffolk, IP23 8DQ |
| PAGE, Peter William Bernard RESIGNED | Director | 11 Jan 2005 | 31 May 2007 | | August 1963 | 11 Lochend, Newbridge, Edinburgh, Midlothian, EH28 8SZ |
| PAISLEY, Gordon Russell RESIGNED | Director | | 31 Dec 1997 | | May 1935 | 9 Lochend, Ratho Station, Newbridge, Midlothian, EH28 8SY |
| PANTON, Ian Stuart RESIGNED | Director | | 29 May 2009 | | May 1947 | 11 Lochend, Newbridge, Midlothian, EH28 8SZ, Scotland |
| SCHLAMAN, Jeffrey Douglas RESIGNED | Director | 25 Nov 2011 | 26 Oct 2016 | Usa | September 1974 | Stratford Hatchery, Alscott Industrial Estate, Atherstone On Stour, Stratford-Upon-Avon, Warwickshire, CV37 8BH, United Kingdom |
| SOLOMON, Harry, Sir RESIGNED | Director | | 23 Apr 1993 | United Kingdom | March 1937 | 7 Inverforth House, North End Way, London, NW3 7EU |
| SWALANDER, Lars Magnus RESIGNED | Director | 07 Apr 2018 | 01 Aug 2022 | United Kingdom | October 1972 | 11, Lochend Road, Ratho Station, Newbridge, Midlothian, EH28 8SZ, United Kingdom |
| WHITTLE, Raymond Brian, Dr RESIGNED | Director | 03 Nov 2008 | 30 Jun 2012 | United Kingdom | May 1951 | 11, Lochend Road, Newbridge, EH28 8SY |