2017 to 2019 Iain Miller
2015 to 2016 Neil Morrison
2012 to 2014 Jill Jardine
2010 to 2012 Alison Findlay
2008 to 2010 Roger Watts
2006 to 2008 Colin Sutherland
2004 to 2006 Nicol Maclean
2002 to 2004 John Lamb
2000 to 2002 John Lamb
(under development)