Most Rev. William A. Wack, CSC, was ordained a priest in the Congregation of Holy Cross in 1994, having completed formation at Moreau Seminary in Notre Dame, Indiana. He served as associate pastor at Sacred Heart Parish in Colorado Springs, associate director of Vocations and Campus Minister at Notre Dame, director of André House (a soup kitchen/hospitality center) in Phoenix, and pastor of St. Ignatius Martyr Parish in Austin, Texas.
On May 29, 2017, Bishop Wack was appointed by Pope Francis to serve as the sixth bishop of the Diocese of Pensacola-Tallahassee. He was ordained and installed on August. 22, 2017, in Pensacola, Florida.
In addition to his duties and ministries in the diocese and in the Ecclesiastical Province of Miami, Bishop Wack serves on the USCCB Subcommittee for the Catholic Communication Campaign, the Catholic Extension Board of Governors and he is Episcopal Liaison to the National Council of Catholic Women.