A ranar 30 ga Maris, 1963, yana da shekaru 29, an naɗa shi firist na Ik. A ranar 11 ga Nuwamba, 1994, yana da shekaru 61, an nada shi Bishop na Ch<unk>unch<unk>on kuma an naɗa shi wata daya daga baya. Masu ba da izininsa sune: Stephen Cardinal Kim Sou-hwan, Archbishop Victorinus Youn Kong-hi da Nicholas Cardinal Cheong Jin-Suk. Tambaya: Wanene ya taka rawar gani?
Stephen Cardinal Kim Sou-hwan, Archbishop Victorinus Youn Kong-hi da kuma Nicholas Cardinal Cheong Jin-Suk