He was ordained a
priest on 21 March 1953. He was first appointed bishop of the
Diocese of Porto-Santa Rufina on 7 December 1984, receiving his episcopal consecration on 6 January 1985 from
Pope John Paul II. He then resigned from this position, due to illness problems, on 9 November 1985. Later, he was appointed bishop of
Diocese of Città di Castello on 7 February 1991. Ronchi retired as bishop on 16 June 2007. == References ==