The board may appoint an executive secretary and such attorneys, hearing officers, administrative law officers, and other employees as it may from time to time find necessary for the proper performance of its duties. Attorneys appointed pursuant to this section may, at the discretion of the board, appear for and represent the board in any case in court. All employees appointed by the board shall perform their duties in an objective and impartial manner without prejudice toward any party subject to the jurisdiction of the board.