Past conductors include Arthur Fraser (1954-1959), Russell Gerhart (1959-1971), Marx Pales (1971-1988), Taavo Virkhaus (1989-2003) and Carlos Miguel Prieto (2003-2011).
Notable past leaders of the organization have included Arthur Fraser (1954-1959), Russell Gerhart (1959-1971), Marx Pales (1971-1988), Taavo Virkhaus (1989-2003) and Carlos Miguel Prieto (2003-2011).