Fr Bosoni was born on 13 March 1928 in Livraga (MI), had attended the Salesian novitiate in Montodine between 1944 and 1945 and made his perpetual profession, again in Montodine, on 16 August 1951. He was ordained a priest in Rome on 7 December 1954.
In his long Salesian life he held the positions of Director in Darfo (1964-67), Director and Master of Novices in Missaglia (1968-71), Director and Parish Priest first in Bologna (1971-77) and then in Salerno (1990- 2002).
After being Superior of the then Helvetic Novarese Province (1978-1980), he was a member of the General Councilor from 1980 to 1990, as Councilor for the Italy-Middle East Region.
He spent the last 17 years of his life at the "San Tarcisio" community in Rome, where his confreres remember him “with affection, admiration and gratitude above all for his testimony of fidelity to the Lord and for his long life given for the education of young people, for the formation of Salesians and in the government of the Congregation.”
Fr Bosoni left this land at 91 years of age, with 74 years of Salesian consecrated life, and 65 years of priesthood.