Dr. Jamalul Azizi is a distinguished Consultant Respiratory Physician with over 20 years of experience, renowned for pioneering interventional bronchoscopy in Malaysia. He is celebrated for initiating the country's first bronchial challenge test and cardiopulmonary exercise testing (CPET), and for his specialized treatment of airway stenosis due to tuberculosis and bronchoscopic lung volume reduction for COPD. A recipient of the prestigious WABIP-Dumon award and the 'Global IP Mentor' award, he has significantly advanced the understanding and technical skills in central airway obstruction and interventional pulmonology.