Universal Brazilian, was born in Concordia, State of Santa Catarina (Brazil). He studied and worked in Petrópolis, combining academic environments and poor popular media. Hence the thinking that led to an indignant at the misery and marginalization, and to generate the popular liberation theology, with which it is identified discourse emerged. He, along with others, helped formulate and continues to encourage today.

Professor of theology, philosophy and ethics, renowned human rights advocate, member of the commission that drafted the Earth Charter pilgrim the world giving courses and lectures, participate in meetings and forums, social movements liberating advises popular stamp, as the movement of Landless and ecclesial communities, and writes regularly