Diego Coletti was born on 25 September 1941 in Milan. He was ordained a priest of the
Archdiocese of Milan on 26 June 1965. After classical and theological studies in the Seminary of Milan, he obtained a license in theology and a doctorate in philosophy from the
Pontifical Gregorian University in 1972. He was ordained a priest of the
Archdiocese of Milan on 26 June 1965. He taught at the seminary in Saronno from 1968 to 1977 and was then rector of the theological seminary of Venegono until 1983. After a sabbatical year, he worked as a parish priest and the diocesan chaplain of the Italian Catholic scouting association and diocesan assistant for Catholic Action. In 1989 he was appointed rector of the
Pontifical Lombard Seminary in Rome and in 1997 he became also the National Assistant for the scouts. He received his episcopal consecration on 13 January 2001 He was installed on 4 February 2001. He was installed on 28 January 2007. ==References==