John R. Tunheim is a senior U.S. district judge in Minnesota. He served as chief judge from 2015 to 2022 and previously worked in the Minnesota attorney general's office. He was appointed to the federal bench in 1995 and took senior status in December 2023. He graduated from Concordia College and the University of Minnesota Law School.
DOJ says Minnesota judges compromised their impartiality by discussing immigration enforcement publicly. Patrick Schiltz argues that his interviews were permitted discussion of judicial independence and the rule of law.