Patriarch Job of Moscow was the inaugural patriarch of the Russian Orthodox Church, holding the office from 1589 to 1605. Born Ioann in Staritsa around 1525, he entered monastic life at the Uspensky Monastery in 1551. Before ascending to the patriarchate, he served as the Metropolitan of Moscow and all Russia. He played a significant role in establishing the Moscow patriarchate with the support of the Ecumenical Patriarch of Constantinople. Throughout his career, he navigated the complex political landscape of the Tsardom of Russia, serving as a religious leader and a temporary head of state.