1975 – Kevin & Flora Holcroft (founding members)

1980 – Noela Taylor

1987 – Arthur Hodgkinson

1989  – Marion Higman

1990 – Peter Leather

1991 – Jim Deem

1995 – Linda Kleinschmidt

2003 – Tony Neller

2005 – Rod Kleinschmidt

2006 – Kerri Elliott

2011 – Jenny Peardon