Bishop Michael Sheridan was born in St. Louis, MO on March 4, 1945. He was ordained as a diocesan priest by Cardinal John J. Carberry on May 29, 1971. On September 3, 1997 Bishop Sheridan was ordained as an auxiliary bishop of St. Louis by Archbishop Justin Rigali. On December 4, 2001 Bishop Sheridan was appointed coadjutor bishop of Colorado Springs and became the bishop of the diocese on January 30, 2003.
Bishop Sheridan has received several graduate degrees in theology, including a Doctorate of Sacred Theology from the Pontifical University of St. Thomas Aquinas [Angelicum] in Rome.