(A) The board shall appoint an executive director to hold office at its pleasure and perform such duties as it prescribes.
(B) The executive director shall:
(1) Serve as the legal custodian of the board's property, papers, and legal and public records;
(2) Make appropriate certification of any rules adopted by the board;
(3) Serve as the principal administrative officer of the board exercising such powers as are required to fulfill this responsibility; and
(4) Rule on any pending non-dispositive motions in a case scheduled before the full board.