Background
Hahn, Yoon Sun was born on September 23, 1937 in Seoul, Republic of Korea. Son of D. and Kyung S. Hahn. came to the United States, 1970.
educator pediatric neurosurgeon
Hahn, Yoon Sun was born on September 23, 1937 in Seoul, Republic of Korea. Son of D. and Kyung S. Hahn. came to the United States, 1970.
Bachelor of Science, Yonsei U., Seoul, 1958; Doctor of Medicine, Yonsei U., 1962.
Chief neurosurgery, 101 Evacuation Hospital, Vungtao, Vietnam, 1968-1969; fellow in neurosurgery, visiting assistant professor, University of Michigan, Ann Arbor, 1970-1971; special fellow neurosurgery and craniofacial surgery, Hôpital Foch U. Paris, Suresnes, France, 1976; associate professor neurosurgery, Yonsei U. Medical School, Seoul, 1976; assistant professor neurosurgery, Children's Memorial Hospital, Chicago, 1979-1988; professor, chief pediatrics neurosurgery, Loyola University Medical Center, Chicago, 1988-1995; director pediatrics neurosurgery, surgeon-in-chief, Hope Children's Hospital, Oak Lawn, Illinois, since 1995; professor neurosurgery, University of Illinois, Chicago, since 1996.
Major Korean Army, 1967-1970. Fellow American College of Surgeons, American Academy Pediat. Member American Association Neurological Surgery, American Society Pediat.
Neurosurgeons, Congress of Neurological Surgery, International Society.Pediat. Neurosurgeons.
Married Wonjae Cho, September 25, 1965. Children: Susie, David, Jimmy.