George A. V. Dunning,  1965 - 1972

Jack Carruthers,*  1972 - 1975

Barbara Henderson,*  1975 - 1976

Stanley Plummer,*  1976 - 1977

George A.V. Dunning,  1977 - 1983

Martha Glauthier,*  1983 - 1986

Marilyn Vaniman,*  1986 - 1987

Martha Glauthier,*  1987 - 1990

William D. Emerson,  1990 - 1993

David Harbin,  1993 - 1996

William D. Emerson,  1996 - 1999

Nicholas Martocchio,*  1999 - 2001

Winifred Robertson,  2001 - 2003

Paul H. Rippens,  2003 - 2007

Ralph Thomas, 2007 - 2009