Members are listed by chronological order of service.

United Kingdom

J. G. Duncan

K. Levy

S. G. Owen

F. Rushton

D. Noble

B. Loder

J. Alwen

N. Morris

B. Dodd

M. Davies

N. Winterton

L. N. Green

D. McLaren

D. Smith

D. Dunstan

G. Walker

N. Watts

M. Davies

Mark Palmer (since April 2008)

Jill Jones (June and November 2010)

Bruce Minty (since June 2011)