Professor Emeritus, Korea University College of Medicine

Radiology/Nuclear Medicine Specialist, Anyang Sam Hospital

Chairman, Africa Future Foundation

Medical College of Korea University, M.D., Ph.D.

Residency in Radiology, Korea University Hospital

Professor of Radiology and Nuclear Medicine, Korea University Hospital

1996-1997 Visiting Scientist at MD Anderson Cancer Center, Houston, Texas

2005 Special Service, Expert in Nuclear Medicine, IAEA, Vienna, Austria

2012-2014 Vice-President for Medical Research, Korea University Anam Hospital

2018.10-2020.3: Radiology Specialist, Ministry of Health, Kamuzu Central Hospital, Malawi

Editorial board member, The Korean Journal of Nuclear Medicine

Director of General Affairs, KSNM

Member of Board of Directors, Korean Society of Global Health

2014.11-2017.2 Auditor, Korea National Institute for Bioethics Policy

Board member, Korea council of healing mission (한국기독교의료선교협회)

2011 Lecture at Mongolian & Korean Joint Radiology Symposium, Mongolia

Madagascar-Korea Education and Training Project of Anatomic and Cytopathology, Antananarivo University, JRA Hospital

2016, 2018 External Expert Consultation for EXIM Bank of Korea

2011, 2012, 2016, 2017, 2018 Volunteer Medical and Education and out-reach mission at Malawi, Zimbabwe, Ethiopia