(a) The board shall select from among its members a chairperson, a vice chairperson, and any other officers for the terms and with the duties and powers necessary for the performance of their duties that the board determines.
(b) A majority of the members of the board shall constitute a quorum for the transaction of business.
(c) The board shall have a member of staff who shall attend all meetings and shall direct the conduct of any investigation that may be necessary in the preparation of any hearing.