CHI Haku Sun, Bishop, Wonju
Daniel Tji Hak Soun (September 9, 1921 – March 12, 1993) was a bishop of the Roman Catholic Diocese of Wonju.
Daniel Tji Hak Soun was ordained a priest on December 15, 1952.
On March 22, 1965, Pope Paul VI appointed him Bishop of Wonju. He was consecrated bishop on June 29, 1965 by Antonio del Giudice. Co-consecrators were the Bishop Thomas F. Quinlan of the Diocese of Chunchon and Bishop John A. Choi Jae-seon of the Diocese of Busan.