Dr Raj Kumar is Head of the Department of Interventional Pulmonology at ISIC Multispeciality Hospital. He is a pulmonologist and critical care specialist with over two decades of clinical experience. He holds an MBBS, MD in Tuberculosis and Chest Diseases, and a Fellowship in the College of Intensive Care Medicine (FCICM). His areas of expertise include advanced respiratory and critical care, bronchoscopy, EBUS, mechanical ventilation, ECMO management, COPD, asthma, tuberculosis, interstitial lung disease, and sleep-related respiratory disorders.