The chairperson and vice-chairperson of the prisoner review board shall be designated by the secretary of corrections. The chairperson of the board shall have the authority to organize and administer the activities of the board. The chairperson of the board may designate panels, consisting of two members of the board, which shall have the full authority and power of the board to order the denial, grant or revocation of an inmate’s parole or conditional release, or for crimes committed on or after July 1, 1993, grant parole for off-grid crimes or revocation of postrelease supervision or to order the revocation of an inmate’s conditional release, upon hearing by one or more members of the panel, and by a majority vote of the board.