Chronic Heart Failure (CHF) Doctors Worldwide

Dr. Oh Dongju, MD, PhD, is a cardiologist. He specializes in hypertension, hyperlipidemia, angina, myocardial infarction, valvular disease, dilated cardiomyopathy, and myocarditis. His work also covers atherosclerosis and arterial occlusive disease. He is skilled in echocardiography and cardiovascular imaging.

He completed a cardiology fellowship at Emory University School of Medicine. He also served as a Clinical Instructor at the Cornell University Weill Department of Medicine. He has held many leadership roles. He served as President, KSIC; Director of Publications, General Affairs, and Public Relations, KSC; Chairman, KACG; Board Member, Asan Heart Foundation; Vice President, KHA; Chairman, Division of Cardiology, KAIM; Vice President, NAMOK/KAMS; Governor, ACC Korea Chapter; and Member, the National Bioethics Committee.

Dr. Byung Hee Oh is a cardiologist at Incheon Sejong Hospital. He previously served as President of the Korean Society of Cardiology. Dr. Oh specializes in heart failure, coronary artery disease, and complex arrhythmias. He held leadership roles at Seoul National University Hospital. Dr. Oh has authored hundreds of peer-reviewed publications. He treats patients at Sejong Hospital, which sees over 400,000 annual visits.

• Former Head of the Division of Cardiology at Seoul National University.
• Performs radiofrequency ablation and carotid stenting.
• Received national honors for medical excellence and leadership.
• Focuses on preventive cardiology and hypertension management.

Dr. Purich Surunchupakorn is an interventional cardiologist at PMG Hospital in Bangkok. He earned his medical degree from the prestigious Chulalongkorn University. Dr. Surunchupakorn holds a subspecialty diploma in interventional cardiology. He treats complex conditions like coronary artery disease and heart failure.

• Specializes in carotid angioplasty and stenting to prevent strokes.
• Performs heart cryoablation to treat chronic arrhythmias.
• Manages hypertension and pulmonary vascular disorders.
• Works at PMG Hospital, a GHA-accredited center for international patient care.

Dr. Murat Sunbul is a Professor of Cardiology at Istinye University, Topkapi Liv Hospital. He has authored over 100 peer-reviewed papers in respected international medical journals. Dr. Sunbul specializes in complex coronary interventions and advanced cardiac imaging. He is an expert in structural heart disease treatments like TAVI and PFO closure.

• Performs carotid, peripheral, and renal artery interventions.
• Expert in coronary imaging using FFR, OCT, and IVUS techniques.
• Provides device therapies including LBB pacing, ICD, and CRT implantation.
• Treats complex conditions like pulmonary hypertension and chronic heart failure.

Dr. Cengiz Koksal is a cardiovascular surgeon at Medipol Acibadem District Hospital in Istanbul. He is the only physician in Turkey authorized to train others in off-pump mitral valve repair. Dr. Koksal specializes in minimally invasive heart surgery and beating-heart techniques. He has performed over 2,000 open-heart and vascular procedures.

• Winner of the Physician of the Year award at the Ibn Sina Medical Awards.
• Former President of the National Vascular and Endovascular Surgery Association.
• Provides expert treatment for complex mitral valve repair and carotid artery surgery.
• Authored over 150 scientific publications and edited a major vascular surgery textbook.

Dr. Alexander Krapivsky is a German board-certified internist and cardiologist with more than 20 years of experience in cardiovascular medicine. He trained at I.M. Sechenov University. He worked at University Hospital Essen, Heart Center Duisburg, and Evangelisches Krankenhaus Mülheim. From 2006 to 2015, he led the cardiac catheterization laboratory as a senior cardiologist.

He founded Herzquartier in 2015 and serves as medical director. It is a network of specialized cardiology practices in Düsseldorf, Mülheim an der Ruhr, and Mönchengladbach. His expertise includes prevention and early detection, coronary artery disease, heart failure, arrhythmias, hypertension, lipid disorders, and non‑invasive diagnostics.

Accreditations include DGK Interventional Cardiology, Active Cardiac Rhythm Devices, Heart Failure, and Special Cardiovascular Prevention. He is certified in lipidology (DGFF) and trained in internal intensive care medicine. He has authored and co‑authored research published in the New England Journal of Medicine, Clinical Research in Cardiology, and EuroIntervention.