In that role, the director presides at all meetings of the board at which the chairman is not present and at executive sessions of the independent directors; serves as liaison between the CEO and the independent directors under most circumstances, although each individual director has full access to the CEO; has authority to call meetings of the independent directors; reviews and provides input to meeting agendas for the board and its committees; reviews meeting schedules to assure there is sufficient time for discussion of all agenda items; reviews all proposed changes to committee charters; and leads the annual board evaluation.