| ANDREWS, Catriona Jane, Dr ACTIVE | Director | 14 Nov 2017 | | Scotland | March 1963 | 60, Wellington Street, Glasgow, G2 6HJ, Scotland |
| BOOTH, Peter Howard ACTIVE | Director | 09 Dec 2003 | | United Kingdom | September 1952 | Hill Of Orchard, Crossford, Lanarkshire, ML8 5PX |
| DUNCAN, Henry John, Dr. ACTIVE | Director | 01 Oct 1999 | | United Kingdom | October 1936 | 49 Finlay Rise, Milngavie, Glasgow, Lanarkshire, G62 6QL |
| MACARA, Kenneth John ACTIVE | Director | 01 Jul 2014 | | Scotland | September 1943 | Trabboch House Cottage, Trabboch, Stair, By Ayr, Ayrshire, KA5 5HX, Scotland |
| DORMAN JEFFREY MANAGEMENT LIMITED RESIGNED | Secretary | 18 Mar 1997 | 24 Jun 1999 | | | Madeleine Smith House, 6/7 Blythswood Square, Glasgow, Strathclyde, G2 4AD |
| DW COMPANY SERVICES LIMITED RESIGNED | Secretary | 24 Jun 1999 | 26 Feb 2013 | | | 191, West George Street, Glasgow, G2 2LD, Scotland |
| ANDERSON, Thomas Alfred RESIGNED | Director | 23 Aug 2002 | 08 Apr 2003 | | November 1934 | Craiglea 3 Ryefield Avenue, Coatbridge, Lanarkshire, ML5 1LG |
| ANDERSON, Thomas Alfred RESIGNED | Director | 27 Jun 1997 | 12 Aug 1998 | | November 1934 | Craiglea 3 Ryefield Avenue, Coatbridge, Lanarkshire, ML5 1LG |
| CLARK, Norman George, Professor RESIGNED | Director | 23 Aug 2002 | 09 Dec 2003 | | May 1942 | 1 Nelson Street, Edinburgh, EH3 6LF |
| CRAMOND, Ronald Duncan RESIGNED | Director | 18 Mar 1997 | 23 Aug 2002 | | March 1927 | 1-8 Dun Ard Gardens, Edinburgh, Midlothian, EH9 2HZ |
| MAVER, Thomas Watt RESIGNED | Director | 10 Feb 1998 | 23 Aug 2002 | | March 1938 | 8 Kew Terrace, Glasgow, Lanarkshire, G12 0TD |
| MILLS, Harold Hernshaw RESIGNED | Director | 10 Nov 1998 | 01 Jun 2015 | United Kingdom | March 1938 | 21 Hatton Place, Edinburgh, EH9 1UB |
| PATERSON, Graham RESIGNED | Director | 23 Aug 2002 | 28 Feb 2017 | Scotland | June 1951 | 2 Acer Crescent, Auld Balgonie, Paisley, Renfrewshire, PA2 9LR |
| ROE, Edward Hillman RESIGNED | Director | 29 Oct 1997 | 09 Nov 2002 | | March 1940 | Flat 2/5 72 Crown Road North, Glasgow, G12 9HW |
| ROSIN, Leslie Mendel RESIGNED | Director | 03 Sep 1998 | 04 Sep 2008 | United Kingdom | August 1931 | 11 The Hollows, Ayr Road, Giffnock, Glasgow, G46 7JB |
| THOMSON, Hugh Gilmour RESIGNED | Director | 18 Mar 1997 | 20 Aug 2003 | Scotland | June 1939 | Burnfold, Achahoish, Lochgilphead, Argyll, PA31 8PA |