Finnish Orthodox Church
In 1971 Rinne received a doctorate in canon law from the University of Thessaloniki. He was appointed as the Metropolitan of Helsinki in 1972, a position he held until 1987. He was elected Archbishop of Karelia and All Finland and head of the autonomous Finnish Orthodox Church in 1987. He went into retirement in 2001, receiving from the Ecumenical Patriarchate the title of Metropolitan of Nicaea.