The Mayor shall designate 1 member of the Commission as its chairman. The Commission shall, by a majority vote of all its members, appoint an executive director. It shall employ such other persons as may be required to administer effectively the provisions of this Division I. Compensation of all persons so employed by the Commission and all other necessary expenses of the Commission shall be paid at such rates and in such amounts as the Board of Estimates shall approve and in accordance with the appropriations in the annual Ordinance of Estimates. City Code, 1966, art. 19, §54(d) 1976/83, art. 19, §62(d) Ord. 64-370