Medical education
1998~2000 Doctor of Philosophy. Ph.D., Graduate School, Chungbuk National University, Cheongju, Chungbuk, Korea
1995~1997 Master of Science Master of Science, Graduate School of Medicine, Seoul National University College of Medicine, Seoul, Korea
1981~1987 Doctor of Medicine, Seoul National University College of Medicine, Seoul, Korea.
Postgraduate training
Fellowship 1995-1996. Hematology/Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.
Residency 1991~1995 in internal medicine, Seoul National University Hospital, Seoul, Korea.
Internship 1987~1988 Seoul National University Hospital, Seoul, Korea
Professional meetings
2008~ Professor, Faculty of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
2004-2005 Transplant Biology Fellowship, Clinical Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.
2002~2008 Assistant Professor of Medicine, Samsung Medical Center, Sungyungwan University School of Medicine.
2001~2002 Visiting Specialist, Department of Hematology/Oncology, Faculty of Medicine, Samsung Medical Center, Seoul, Korea.
1997~2001 Assistant Professor, Department of Internal Medicine, Chung-Ang University School of Medicine, Seoul, Korea
1996~1997 Clinical Instructor, Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Korea
Professional membership
1995 ~ present member of the American Society of Hematology.
1995~present Member of the Korean Society of Hematology.
1995 ~ present member of the Korean Society of Oncology.
1995 ~ present member of the Korean Hematopoietic Stem Cell Transplantation Society.