MD, Yonsei University Medical College (1988~1994) MS, Yonsei University (1996 - 1998) PhD, Yonsei University (2002 –2009) FACC (2016~Current) Member of ISHLT, ESC-HFA, ISH and ESH 2003 - Current Professor, Cardiology, Gachon University School of Medicine 2017 - Current Director, Gachon Cardiovascular Research Institute (GCRI) 2021 - Current Director, Planning and Coordination Office, Gachon University Gil Medical Center Chairperson, Scientific Committee, Korean Society of Heart Failure President, Korea Pulmonary Hypertension Society Editor-in-Chief, Clinical Hypertension 2011– 2012 Visiting Associate Professor, Stanford University School of Medicine 2008 – 2015 Vice Dean, Gachon University School of Medicine 2013 - 2016 Director, Department of Cardiology 2018 – 2021 Head, Department of Medical Care, Gachon University Gil Hospital 142 peer-reviewed articles (83 SCI(E) Journals, 44 First & Corresponding) 10 Books and 5 Patent Cases