| BORTHWICK, Alan Richard, Dr ACTIVE | Director | 24 Nov 2009 | | United Kingdom | October 1960 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| BROWN, Caroline ACTIVE | Director | 15 May 2015 | | Scotland | October 1966 | Archive Services, University Of Dundee, Perth Road, Dundee, DD1 4HN, Scotland |
| CAIRNS, John William, Professor ACTIVE | Director | 02 Jun 2010 | | Scotland | August 1955 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| DITCHBURN, David, Doctor ACTIVE | Director | 14 Feb 2000 | | Ireland | April 1961 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| HART, Rachel Margaret ACTIVE | Director | 17 May 2013 | | Scotland | April 1961 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| MOOHAN, Elaine, Dr ACTIVE | Director | 14 May 2021 | | Scotland | August 1965 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| O'BRIEN, Irene, Dr ACTIVE | Director | 14 Feb 2000 | | Scotland | May 1954 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| J & H MITCHELL WS RESIGNED | Secretary | 24 Oct 2010 | 01 Jun 2025 | | | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU, Scotland |
| TM COMPANY SERVICES LIMITED RESIGNED | Nominee Secretary | 04 Jun 1998 | 22 Oct 2013 | | | 133 Fountainbridge, Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG, Scotland |
| ANDERSON, Peter David, Doctor RESIGNED | Director | 23 Apr 2001 | 31 Jan 2009 | United Kingdom | March 1947 | 74 Burghmuir Court, Linlithgow, West Lothian, EH49 7LL |
| BARNES, Ishbel Catherine Margaret RESIGNED | Director | 18 Jun 1998 | 23 Apr 2001 | | October 1946 | Waulkmill Cottage, By Milnathort, Kinross, KY13 7RJ |
| CADELL, Patrick Moubray RESIGNED | Director | 18 Jun 1998 | 23 Apr 2001 | | March 1941 | 27 Ellens Glen Road, Edinburgh, EH17 7QL |
| DALYELL, Kathleen RESIGNED | Director | 18 Jun 1998 | 29 Feb 2008 | | November 1937 | The Binns, Linlithgow, West Lothian, EH49 7NA |
| GREEN, Thomas Mathew RESIGNED | Director | 17 May 2013 | 14 Feb 2020 | France | December 1978 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| MACKENZIE, George Paterson RESIGNED | Director | 23 Apr 2001 | 03 Aug 2012 | Scotland | September 1950 | 2 Greenhill Court, Edinburgh, Midlothian, EH9 1BF |
| MACQUEEN, Hector Lewis, Professor RESIGNED | Director | 23 Apr 2002 | 28 May 2010 | United Kingdom | June 1956 | 47 Falcon Gardens, Edinburgh, Midlothian, EH10 4AL |
| MCINTYRE, Neil, Dr RESIGNED | Director | 14 May 2021 | 05 Jun 2024 | Scotland | October 1987 | University Of Glasgow, University Avenue, Glasgow, G12 8QQ, Scotland |
| MILDREN, Robert Gerald James RESIGNED | Director | 13 Jun 1998 | 03 Aug 2012 | Scotland | April 1962 | 52, Bridge Street, Fauldhouse, Bathgate, West Lothian, EH47 9AY |
| PATON, Christopher Mark RESIGNED | Director | 17 May 2013 | 24 May 2017 | Scotland | October 1970 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| RICHMOND, Lesley Marion RESIGNED | Director | 29 Feb 2008 | 15 May 2015 | Scotland | November 1956 | 51, Atholl Road, Pitlochry, Perthshire, PH16 5BU |
| SMOUT, Thomas Christopher, Professor RESIGNED | Director | 18 Jun 1998 | 13 Jan 2000 | Scotland | December 1933 | Chesterhill Shore Road, Anstruther, Fife, KY10 3DZ |
| WEBSTER, Janice Helen RESIGNED | Director | 18 Jun 1998 | 23 Apr 2002 | | April 1944 | 35 Queens Crescent, Edinburgh, Lothians, EH9 2BA, Scotland |
| WILSON, Arnott RESIGNED | Director | 18 Jun 1998 | 13 Jan 2000 | | August 1954 | 2 Milesmark Court, Dunfermline, Fife, KY12 9PD |
| REYNARD NOMINEES LIMITED RESIGNED | Nominee Director | 04 Jun 1998 | 18 Jun 1998 | | | Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG |
| TM COMPANY SERVICES LIMITED RESIGNED | Nominee Director | 04 Jun 1998 | 18 Jun 1998 | | | Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG |