Earl Warren held the office of Chief Justice of the United States.
 As of 2021, Warren is the most recent chief justice to have held statewide elected office at any point in his career and the most recent serving politician to be appointed Chief Justice
" Nixon and Warren jointly agreed that Warren would retire in June 1969 to ensure that the Court would have a chief justice throughout the 1968 term and to allow Nixon to focus on other matters in the first months of his presidency

