Justice Larsen earned her JD from Northwestern University School of Law. After graduation, Justice Larsen clerked for the Hon. David B. Sentelle of the U.S. Court of Appeals, for the D.C. Circuit, and for Justice Antonin Scalia of the U.S. Supreme Court. Justice Larsen is a former adjunct professor and special counsel to the dean for student and graduate activities at the University of Michigan Law School.
Justice Joan Larsen was appointed to the Michigan Supreme Court in 2015. Her term ended in 2016.