Seoul National University, Graduate school of Medicine, Seoul, Republic of Korea , PhD in Cardiovascular surgery /Master
Seoul National University, College of Medicine, Seoul, Korea, MD
Swiss Business School, Ras Al Khaimah, UAE, MBA

Fellowship
Pediatric cardiac surgery, Seoul National University Hospital, Seoul, Korea
Residency
Department of Thoracic and Cardiovascular surgery, Seoul National University Hospital, Seoul, Korea
Internship
Seoul National University Hospital, Seoul, Korea

Chair of Cardiovascular center and consultant in Cardiovascular surgery, Sheikh Khalifa Specialty Hospital, Ras Al Khaimah, UAE
Chief Medical Officer(CMO)
Director of Thoracic and Cardiovascular Surgery, Inje University Sanggyepaik Hospital, Seoul, Korea
Faculty and Head of department in Cardiovascular surgery, Inje University Sanggyepaik Hospital, Seoul, Korea

Consultant Cardiovascular surgery, Ministry of Health and prevention, UAE
Korean Board of Thoracic and Cardiovascular Surgery
Medical Doctor(M.D.) in Kore
Certification of physician, MOH, UAE

Visiting scholar
Cardiac Surgery, Cleveland Clinic Foundation(CCF), Cleveland, Ohio, USA
Take Turner Fellowship at Forum Health – Northside hospital, Trumbull memorial hospital, Ohio, USA/ Medicorp Mary Washington Hospital, Virginia, USA

Adult Cardiac Surgery
Surgery for Great Arteries, Vascular surgery, Endovascular aortic repair
Mechanical circulatory support
Cardiac critical Intensive Care

Fields of practice; Specialized in Congenital cardiac surgery, Acquired (adult) heart disease, Grown-up congenital heart surgery, Aortic surgery, Vascular surgery, Endovascular aortic surgery
First introduced Endoscopic vessel harvesting technique in Korea
Recognized one of the best hospital in Korea in the field of Cardiac surgery –
Coronary artery bypass surgery 2009, Health Insurance Review & Assessment Service
Initiative for development of Vascular multidisciplinary center for comprehensive approach & management
First performed hybrid surgery for complex aortic disease 2010
Recognized as one of the largest volume holders for Endovascular aortic repair as a cardiac surgeon in Korea

Clinical Professor, Seoul National University Hospital, Seoul, Korea
Associate Professor, Thoracic and Cardiovascular Surgery, Inje University, College of Medicine, Seoul, Korea
Assistant Professor, Thoracic and Cardiovascular Surgery, Inje University, College of Medicine, Seoul, Korea
Faculty and Instructor, Thoracic and Cardiovascular Surgery, Inje University, College of Medicine, Seoul, Korea

• Chung CH, Huh JH, Chang JM, Kim WS, Chang; Nuss operation with simultaneous intracardiac repair – A case report- Korean J Thorac Cardiovasc Surg 2004;37:536-8
• Chang WI, Kim KB, Kim WS, Chung CH, Huh JH, Chang JM, Lee DS, Han KS; Change of coagulability after off-pump CABG: comparison with on-pump CABG. Korean J Thorac Cardiovasc Surg 2004;37:245-51
• Huh JH, Chung CH, Chang JM, Kim WS, Chang WI, Lee YS. Relationship of hemodynamic changes during off-pump coronary bypass grafting and their effects on postoperative outcome. Korean J Thorac Cardiovasc Surg 2003;36:576-82
• Kim WS, Chung CH, Chang JM, Chang WI, Huh JH. Aortic valvuloplasty using triangular resection technique. Korean J Thorac Cardiovasc Surg 2002;35:113-7
• Lee JR, Hwang HY, Chang JM, Lee C, Choi JS, Kim YJ, Rho JR, Bae EJ. Pulmonary valve replacement with tissue valves after pulmonary outflow tract repair in children. Korean J Thorac Cardiovasc Surg 2002;35:350-5
• Chung CH, Huh JH, Chang JM, Kim WS, Chang WI, Lee YS. Thoracodorsal artery as an alternative in complete coronary arterial revascularization. Korean J Thorac Cardiovasc Surg 2002;35:898-902
• Kim KH, Lee C, Chang JM, Jung JW, Ahn H, Park JH. Clinical application of stent-graft in thoracic aortic diseases. Korean J Thorac Cardiovasc Surg 2001;34:698-703
• Lee JR, Lee C, Chang JM, Bae EJ, Noh CI. Modified extracardiac Fontan procedure in a patient with separate hepatic venous drainage. Ann Thorac Surg 2002;73:992-3
• Kim KH, Chang JM, Ahn H. Intracardiac foreign body; a sewing needle in right ventricle of unknown etiology. Korean J Thorac Cardiovasc Surg 2000;33:681-3
• Kim KB, Huh JH, Chang JM, Lee JS, Ahn H, Sohn DW. Modification of Cox Maze III procedure Korean J Thorac Cardiovasc Surg 2000;33:863-8
• Chang JM, Lee JS, Kim KB, Ahn H, Yoon BW, Kim YJ. Central nervous system complications of coronary artery bypass grafting; comparison between off-pump CABG and conventional CABG Korean J Thorac Cardiovasc Surg 2000;33:941-7
• Chang JM, Ryu WH, Kim KB. Combined percutaneous transluminal coronary angioplasty and minimally invasive coronary artery bypass grafting(Hybrid CABG) Korean J Thorac Cardiovasc Surg 1999;32:1127-30
• Lee JR, Seok CJ, Kim JS, Chang JM, Seo JW. Expression of NF-κB and cytokines in chronic rejection of transplanted murine heart. J Korean Med Sci 2001;16:397-406
• Lee JR, Kim JS, Lee C, Han KN, Chang JM. Successful treatment of left atrial auricular abscess. J Korean Med Sci 2003;18:441-3
• Lee JR, Chang JM, Lee C, Kim CJ. Undifferentiated sarcoma of the mitral valve with unique clinicopathologic presentation. J Cardiovasc Surg 2003;44:1-3
• Lee JR, Chang JM, Lim C, Lee C, Kim YJ, Rho JR. Lower sternotomy access for congenital heart surgery. The Heart Surgery Forum 2002;5 #2001-6830
• Chang JM, Kim WG. Time-related histopathologic changes of fresh frozen vascular xenograft in pig-to-goat model. Korean J Cardiovasc Surg 2007;40:180-92
• Kang DU, Yoo BH, Lee SS, Yon JH, Song CM, Chang JM. The Change of arterial blood gas during endoscopic saphenous vein harvesting for coronary artery bypass grafting. Korean J Anesthesiol 2007;53:194-98
• Chang JM, Kim WG. Time-related histopathologic changes in fresh frozen carotid xenografts in a pig-to-goat model. Artificial Organs 2009;33(10):827-34
• Chang JM, Yoo YS, Kim DW. Application of three-dimensional reconstruction in esophageal foreign bodies. Korean J Thorac Cardiovasc Surg 2011;44:368-72
• Egaimi M, Kim BK, Chang JM. Multiple, extensive cardiac and pulmonary hydatid cysts managed by a single-stage surgical removal: a case report. Emirates Med J 2024;5:e030823219401NA