| BREACKER, David Norman | 1999-2000 |
| EVANS, Geoffrey Frank | 2000-2001 |
| EVANS, Geoffrey Frank | 2001-2002 |
| DAVIES, Maureen | 2002-2003 |
| DAVIES, Maureen | 2003-2004 |
| DAVIES, Maureen | 2004-2005 |
| BONNEY, Roger | 2005-2006 |
| BONNEY, Roger | 2006-2007 |
| VARNEY, Mike | 2007-2008 |
| VARNEY, Mike | 2008-2009 |
| EVANS, Geoffrey Frank | 2009-2010 |
| EVANS, Geoffrey Frank | 2010-2011 |
| EVANS, Geoffrey Frank | 2011-2012 |
| EVANS, Geoffrey Frank | 2012- |
