Reginald Newman 1977 - 1985
James Vanpraag 1985 - 1989
Neville L. Ward 1989 - 2003
Ian Boudville 2004
Christopher Hunt 2005 - 2008
Geoffrey McKebery 2009 - 2010
James Ryan 2010 - 2011
Rodney McAtee 2011 - 2013
Peter Lewis 2013 - 2021
John Walczak 2021 - present