The chancellor shall appoint a presiding officer for an adjudicative proceeding. The presiding officer shall be an administrative law judge, a member in good standing of the Washington State Bar Association, a panel of individuals, the chancellor or a designee of the chancellor, or any combination of the above. Where more than one individual is designated to be the presiding officer, one person shall be designated by the chancellor or the designee of the chancellor to make decisions concerning discovery, closure, means of recording adjudicative proceedings, and similar matters.