Societies/ Congresses/ Administrative Responsibilities:

-      Fleischner Society, President-elect

-      Korean Society of Thoracic Radiology, President (2021-2022)

-      Korean Society of Imaging Informatics in Medicine, President (2019-2020)

-      5^th Asian Congress of Thoracic Imaging (2023),

President, Organizing Committee Chair

-      Radiological Society of North America, corresponding member

-      Korean Radiological Society

Chair, Scientific Committee (2015-2018)

-       Institute of Radiation Medicine, Seoul National University Medical Research Center

Director (2019-2021)

Editorial Board:

-      Radiology, associate editor (2013-)

-      Investigative Radiology, associate editorial board (2007-)

-      Journal of Thoracic Imaging, associate editor (2017-)

-      Korean Journal of Radiology (2005-)

-      Cancer Research and Treatment (2017-)

-      American Journal of Roentgenology, assistant editor (2009-2020)

Visiting Scholar:

-      Electronic Radiology Laboratory, Mallinckrodt Institute of Radiology, Washington University School of Medicine (2003-2004)

-      Diagnostic and Interventional Radiology, University Clinic Heidelberg (2010)