Rubiyatmoko was born in a
Roman Catholic family to Stanislaus Harjo Partono and Elizabeth Harjo Partono. Early on in life he developed his signature mustache, which he was asked to shave at the ordination to the priesthood, but which Bishop Hardjoatmodjo jokingly told him at his appointment to archbishop to keep the mustache or else no one would recognize him. Rubiyatmoko entered the Seminary in 1983 at Truth of Saint Peter Canisius Mertoyudan. He graduated from the seminary he continued his study of philosophy and theology at the Pontifical Theology Faculty in
Yogyakarta. He was ordained a priest on 12 August 1992 by cardinal
Julius Darmaatmadja S.J. as priest of the Archdiocese of Semarang. He then obtained a degree in church law from the
Pontifical Gregorian University, in
Rome,
Italy. After completing doctoral studies, Rubiyatmoko taught Church law at the Pontifical Theological Faculty of Wedabhakti, part of the Jesuit college
Sanata Dharma University in Yogyakarta. During this time from 2004 to 2011 he was also one of the formators at the Santo Paulus Kentungan High Seminary, Yogyakarta. From 2011 until his ordination as bishop he was also the Judicial Vicar of the Archdiocese of Semarang. ==Archbishop==