Genitourinary radiology

1987.2~ Professor in Radiology, Seoul National University, Seoul, Korea
1989.7~1990.7 Visiting Radiologist, Uroradiology, Radiology, Hospital of the University of Pennsylvania, Philadelphia,PA, USA
2002.4~2004.4 Associate Dean for Student Affair, Seoul National University, Medical College
2003.3~2006.7 Secretary General, Oganizing Committee of the 20006 Meeting of World Federation for Ultrasound in Medicine and Biology
2004.4~present Member, National Academy of Medicine of Korea
2007.5~present Chair of board of directors, Korean Society of Ultrasound in Medicine
2007.11~present Secretary, Asian Federation of Societies for Ultrasound in Medicine and Biology
2008.7~2010.7 Chair of Department of Radiology, Seoul National University College of Medicine
2009.9~present Councilor, World Federation for Ultrasound in Medicine and Biology
2010.6~present Vice President of Seoul National University Hospital

2001.3 Society of Uroradiology, Best Poster Award
2005.4 Korean Medical Association, Dong-A Excellent Medical Publication Award
2007.3 American Institute of Ultrasound in Medicine, Honorary Fellow Award