| COLLIER, Susan Margaret ACTIVE | Secretary | 31 Jul 2019 | | | | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MOIR, Ruth Jennifer ACTIVE | Director | 08 Feb 2021 | | Scotland | November 1963 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| BROWN, Derek Gardiner RESIGNED | Secretary | 28 Jan 2000 | 09 Jun 2015 | | | 16 Leslie Way, Dunbar, East Lothian, EH42 1GP |
| HOWELLS, Sandra Jesseman RESIGNED | Secretary | 15 Dec 2015 | 13 Jul 2018 | | | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MCGUIRE, Angus Lee RESIGNED | Secretary | 13 Jul 2018 | 31 Jul 2019 | | | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| PATERSON, Stephen Liston Lindsay RESIGNED | Secretary | 01 Aug 1997 | 28 Jan 2000 | | | 31 Belford Gardens, Edinburgh, EH4 3EP |
| HBJ SECRETARIAL LIMITED RESIGNED | Nominee Secretary | 12 Mar 1997 | 01 Aug 1997 | | | 19 Ainslie Place, Edinburgh, EH3 6AU |
| BEADLE, John Nicholas RESIGNED | Director | 17 Mar 2015 | 20 Jul 2017 | England | August 1957 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| BEADLE, John Nicholas RESIGNED | Director | 03 Dec 2013 | 06 Oct 2014 | England | August 1957 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| BISSETT, Graeme RESIGNED | Director | 30 Mar 2004 | 02 Jun 2010 | United Kingdom | February 1958 | 20 Lennel Avenue, Edinburgh, EH12 6DW |
| BROWN, Charles Malcolm, Professor RESIGNED | Director | 25 Jul 2003 | 15 Nov 2006 | | September 1941 | 19 Burnside Park, Balerno, Midlothian, EH14 7LY |
| BROWN, Charles Malcolm, Professor RESIGNED | Director | 01 Aug 1997 | 19 Mar 2002 | | September 1941 | 19 Burnside Park, Balerno, Midlothian, EH14 7LY |
| CLARK, Susan Michelle RESIGNED | Director | 14 Jul 2017 | 31 Jul 2019 | United Kingdom | May 1964 | Goldingtons, Church Lane, Sarratt, Rickmansworth, WD3 6HE, England |
| COLVILLE, Gregor James RESIGNED | Director | 03 Oct 2010 | 11 Apr 2012 | United Kingdom | February 1977 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| CRAIK, Robert John Mcarthur, Professor RESIGNED | Director | 25 Aug 2010 | 03 Dec 2013 | United Kingdom | January 1954 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| CROMBIE, Alexander Maxwell, Sir RESIGNED | Director | 12 May 2017 | 31 Jul 2019 | Scotland | February 1949 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| CURRIE, Kenneth Williamson RESIGNED | Director | 01 Aug 1997 | 10 Jul 2000 | Scotland | April 1953 | 23 Liberton Drive, Edinburgh, EH16 6NL |
| DALTON-PILLAY, Ann Marie RESIGNED | Director | 31 Jul 2019 | 30 Jun 2020 | Scotland | November 1964 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| EASLEY MONTADOR, Diana Arline RESIGNED | Director | 14 Jul 2017 | 31 Jul 2019 | Scotland | April 1969 | 5, Rose Street, Edinburgh, EH2 2PR, Scotland |
| FERNIE, John, Professor RESIGNED | Director | 16 Nov 2001 | 30 Aug 2007 | | March 1948 | 7 Priory Gardens, St. Andrews, Fife, KY16 8XX |
| GOLIGHER, Alison Jane Patricia RESIGNED | Director | 12 May 2017 | 31 Jul 2019 | Ireland | March 1965 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| HEGGIE, Morag RESIGNED | Director | 15 Nov 2006 | 17 Jun 2014 | United Kingdom | January 1955 | 1 Buchandyke Road, East Kilbride, Lanarkshire, G74 3BL |
| JONES, Julian David Clayton, Professor RESIGNED | Director | 01 Jul 2015 | 14 Jul 2017 | United Kingdom | November 1954 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| KAY, Stefan George RESIGNED | Director | 28 Nov 1997 | 31 Jul 2003 | United Kingdom | July 1944 | 7 Kings Cramond, Barnton, Edinburgh, EH4 6RL |
| KENNEDY, Gavin, Professor RESIGNED | Director | 10 Jul 2000 | 25 Jul 2003 | United Kingdom | February 1940 | 99 Caiyside, Edinburgh, EH10 7HR |
| KITCHIN, Alick Stephen RESIGNED | Director | 16 Nov 2001 | 31 Dec 2016 | United Kingdom | September 1956 | 3 Down Ampney, Down Ampney, Cirencester, Gloucestershire, GL7 5QW, England |
| LOGAN, Neil Paterson RESIGNED | Director | 12 May 2017 | 31 Jul 2019 | Scotland | March 1977 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| LUMSDEN, Keith Grant RESIGNED | Director | 01 Aug 1997 | 29 Feb 2016 | United Kingdom | January 1935 | 40 Lauder Road, Edinburgh, Midlothian, EH9 1UE |
| MACINTOSH, Robert RESIGNED | Director | 31 Jul 2019 | 31 Aug 2021 | Scotland | November 1968 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MACKAY, Donald Iain, Sir RESIGNED | Director | 01 Aug 1997 | 10 Jul 2000 | | February 1937 | 14 Gamekeepers Road, Edinburgh, EH4 6LU |
| MACPHERSON, Agnes Lawrie Addie Shonaig RESIGNED | Director | 18 Nov 2015 | 31 Dec 2016 | United Kingdom | September 1958 | ., Lochcote, Linlithgow, West Lothian, EH49 6QE, Scotland |
| MCGREGOR, Heather Jane, Professor RESIGNED | Director | 01 Sep 2016 | 23 Mar 2026 | England | March 1962 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MILLIGAN, Andrew Brett RESIGNED | Director | 17 Mar 2015 | 14 Jul 2017 | Scotland | November 1956 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MITCHELL, Hugh Sydney RESIGNED | Director | 24 Jun 2014 | 31 Jul 2019 | Netherlands | February 1957 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MOIR, Ruth Jennifer RESIGNED | Director | 25 Aug 2010 | 12 Mar 2017 | United Kingdom | November 1963 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| MOORE, Michael Kevin RESIGNED | Director | 17 Nov 2017 | 31 Jul 2019 | United Kingdom | June 1965 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| PATERSON, Stephen Liston Lindsay RESIGNED | Director | 01 Aug 1997 | 16 Nov 2001 | Scotland | December 1958 | 31 Belford Gardens, Edinburgh, EH4 3EP |
| REID, Robert Paul, Sir RESIGNED | Director | 01 Feb 2001 | 18 Nov 2015 | England | May 1934 | 24 Ashley Gardens, Ambrosden Avenue, London, SW1P 1QD |
| ROBERTS, Alexander, Professor RESIGNED | Director | 10 Jul 2000 | 25 Jul 2003 | | September 1949 | 2 (1f3) Bangholm Terrace, Edinburgh, EH3 5QN |
| SCOTT, Alexander, Professor RESIGNED | Director | 25 Jul 2003 | 14 Jul 2016 | United Kingdom | March 1945 | 10 Barony Terrace, Edinburgh, EH12 8RE |
| SCOTT, Alexander, Professor RESIGNED | Director | 01 Aug 1997 | 10 Jul 2000 | United Kingdom | March 1945 | 10 Barony Terrace, Edinburgh, EH12 8RE |
| SHAW, Michael Lewis RESIGNED | Director | 12 May 2017 | 31 Jul 2019 | United Kingdom | January 1977 | Heriot-Watt University, Finance Office, Riccarton, Currie, Midlothian, EH14 4AS |
| SIMMONS, John Edward Leonard, Professor RESIGNED | Director | 22 Apr 2002 | 22 Aug 2006 | Scotland | September 1947 | 24 Spylaw Street, Edinburgh, EH13 0JX |
| VALLANCE OF TUMMEL, Iain David Thomas, The Lord Vallance Of Tummel RESIGNED | Director | 01 Jan 2017 | 31 Jul 2019 | England | May 1943 | Sutton Place, Rectory Lane, Sutton Valence, Maidstone, ME17 3BT, England |
| WALKER, Andrew Charles, Professor RESIGNED | Director | 16 Nov 2001 | 09 Jun 2015 | United Kingdom | June 1948 | 20 Mortonhall Road, Edinburgh, Midlothian, EH9 2HW |
| WILSON, Peter Liddell, Dr RESIGNED | Director | 01 Aug 1997 | 28 Nov 1997 | Scotland | December 1942 | 6 Mansfield Road, Balerno, Midlothian, EH14 7LA |
| HENDERSON BOYD JACKSON LIMITED RESIGNED | Nominee Director | 12 Mar 1997 | 01 Aug 1997 | | | 19 Ainslie Place, Edinburgh, EH3 6AU |