The Most Rev. William M. Joensen, Ph.D. was ordained and installed in 2019 as bishop of the Diocese of Des Moines.

Born in 1960, Bishop Joensen completed studies at the Pontifical College Josephinum in Ohio and was ordained a priest in 1989. He earned a doctorate in philosophy at The Catholic University of America in Washington, D.C. in 2001. He has served in parishes, as spiritual director at St. Pius X Seminary in Dubuque and in a variety of roles at Loras College in Dubuque.