Johannes Chrysostomos Berchmans Hanssen Monteiro

Hanssen Monteiro was born on 14 April 1971 in Larantuka, East Nusa Tenggara, Indonesia, where he was raised and received his early education. He attended the minor seminary school of Santo Domingo in Hokeng and studied there. He then studied at the Catholic Philosophical and Theological Institute of Ledalero, Indonesia, subsequently carrying out a pastoral apprenticeship in the St. Joseph parish church in Lewotobi. He was ordained a priest for the Diocese of Larantuka on 14 July 1999 by Bishop Darius Nggawa. After ordination, he taught in his first alma mater, the minor seminary school of Santo Domingo in Hokeng from 1999 to 2004. From 2004 to 2018 he was parish vicar at Franz-von-Assisi-Kirche, Mexikoplatz, and Maria Himmelfahrt in Bad Deutsch-Altenburg, Vienna, Austria.

Beginning in 2004, he studied at the University of Vienna in Vienna, Austria. He earned a licentiate and doctorate degree in subjects of liturgy and philosophy at the Faculty of Catholic Philosophy and Theology of the University of Vienna, Austria. He then returned to Indonesia, where he taught liturgy, philosophy, and theology at the Ledalero Institute of Philosophy and Creative Technology and became formator at the Saint Petrus Interdiocesan Major Seminary in Ritapiret, Diocese of Maumere (since 2018), and member of the Commission for the Liturgy of the Indonesian Episcopal Conference (since 2022).^[6]

On 22 November 2025, Pope Leo XIV appointed him as the Bishop of Diocese of Larantuka, after the resignation of his predecessor, Mons. Franciscus Kopong Kung.^[7][8][9] His solemn episcopal consecration and installation as bishop will scheduled on 11 February 2026.^[10]