Studies as a priest
Boff was born in Concórdia, Santa Catarina, Brazil, he entered the Franciscan Order in 1959 and was ordained a Catholic priest in 1964. He spent the following years studying for a doctorate in theology and philosophy at the University of Munich, which he received in 1970. Boff's doctoral thesis studied in what measure the Church can be a sign of the sacred and the divine in the secular world and in the process of liberation of the oppressed. He has since published his thesis as a book available in German, entitled Die Kirche als Sakrament im Horizont der Welterfahrung.
His brother is the theologian Clodovis Boff.