The functions, duties and powers of the Executive Director shall be as follows:
(a) To implement, or cause to be implemented, the decisions and directions of the Committee,
(b) To prepare, or cause to be prepared, short-term and long-term plans, annual programs and budget of the Board,
(c) To implement, or cause to be implemented, the programs approved by the Committee,
(d) To carry out such other functions as prescribed.