Iowa Code § 46.6: Chairperson.

1. The commissioners of the state judicial nominating commission shall elect a chairperson from their own number. The chairperson shall serve a two-year term that expires on April 30 of even-numbered years. A commissioner may be reelected for a second or third term as chairperson. If a chairperson of a judicial nominating commission desires to be relieved of the duties of chairperson while retaining the status of commissioner, the chairperson shall notify the governor and the other commissioners of the commission. At the next meeting of the commission, the commissioners shall elect a new chairperson for the remainder of the two-year term.

2. The judge of longest service in the district shall serve as the chair of a particular district judicial nominating commission. If the judges of longest service in the district are of equal service, the eldest of such judges shall be chairperson of the particular judicial nominating commission.