If a drug overdose fatality review committee is established under division (A) or (B) of section 307.631 of the Revised Code, the board of county commissioners, or if a regional drug overdose fatality review committee is established, the group of health commissioners appointed to select the health commissioner to establish the regional review committee, shall designate either the health commissioner that establishes the review committee or a representative of the health commissioner to convene meetings and be the chairperson of the review committee.