Member of Korea society of thoracic and cardiovascular surgery (KSTCS) Member of Korea society of Cardiology (KSC) International Member of Society of Thoracic Surgeons (STS) Member of European society of thoracic and cardiovascular surgery (ESCTS) Member of Asian society of thoracic and cardiovascular surgery (ASCVT) Member of Asian Heart Rhythm Society (AHRS) Academic faculty of KHRS (Korea Heart Rhythm Society) Member of Heart valve society (HVS)
