He is an expert in performing operations on the heart, lungs, esophagus and other organs in the chest. Treatments handled by Dr Belal Asaf are coronary artery disease, blockage of the heart arteries, blockages of heart valves, heart failure and atrial fibrillation. He follows evidence based approach for his treatments and works for the welfare of his patients. He is credited to numerous publications and articles in various journals and is also an active member of various medical associations.