2022 -

Nigel Metcalfe

2019 - 2022

John Loynton

2017 - 2019

David Williamson

2014 - 2017

John Butler

2011 - 2014

Roger Mann

2008 - 2011

Keith Gordon

2005 - 2008

Gareth Hughes

2002 - 2005

Bill Hiscox

1999 - 2002

Bill Blake