(a) The chair, who is appointed by the governor, shall preside at all meetings which he or she attends. The chair performs all duties prescribed by law or this chapter and is authorized to make day-to-day decisions regarding board activities to make the board more effective and responsive.(b) The vice-chair shall perform the duties of the chair in case the chair is absent or disabled. If the office of chair becomes vacant, the vice-chair shall serve until a successor is appointed.