Fr. Christianus was born 27 March 1968 in Flores, Indonesia. After frequenting the John Berchmans Minor Seminary at Flores, he entered the Indonesian Commissariat Noviciate, 13 November 1991. He made his Simple Profession at Bjawa-Flores 14 November 1992 and was Solemnly Professed in Kupang-Timor, 14 November 1997. He was ordained a Priest, 5 September 1999, at Bajawa.
He studied at the John Berchmans Minor Seminary in Bajawa-Flores, 1985-1989. His Philosophy and Theology studies were completed at the Catholic University of Kupang, Indonesia, 1993-1999. In 2003-2004, he attended a Course of Spirituality at CITeS, Avila, Spain. He was conferred with a Licence in Spirituality (2005) by the North of Spain Faculty of Theology, Vitoria, and a Doctorate in Spirituality from the North of Spain Faculty of Theology, Burgos, in 2019.
From the year of his Ordination (1999), Fr. Christianus has held the following offices in the Order and elsewhere:-
Assistant Master of Philosophy students in Kupang (1999-2002); Professor in the Faculty of Philosophy and Theology at the Catholic University of Kupang, Indonesia (2006-2014). He lectured here on Eastern Philosophy, Church History and History of the Indonesian Church; Superior of the House of Formation for Philosophy students, Kupang (2006-2008); Provincial Delegate for Indonesia (2008-2011); Counsellor of the Commissariat and Superior in the House of Formation for Theology students at Yogyakarta, Indonesia (2011-2014).
He was a conventual at the Noviciate House in Bajawa, Flores from 2020 until his election as Definitor in September 2021.