On 16 December 1995,
Pope John Paul II appointed Fontana as Archbishop of Spoleto-Norcia. He received episcopal consecration on 6 January 1996 in
St. Peter’s Basilica. On 16 July 2009, he was appointed Archbishop-Bishop of Arezzo-Cortona-Sansepolcro, succeeding
Gualtiero Bassetti. He was installed on 13 September 2009 and guided the diocese for thirteen years, emphasizing pastoral care, priestly vocations, and diocesan unity. Pope
Francis accepted his resignation on 15 September 2022 upon reaching the canonical age limit for diocesan bishops. == Later life and death ==