Dr. Jamalul Azizi Abdul Rahaman is a pioneering Consultant Respiratory Physician at Cardiac Vascular Sentral Kuala Lumpur (CVSKL), renowned for his expertise in interventional bronchoscopy and pulmonary physiology. He is celebrated for introducing rigid bronchoscopy practice in Malaysia and establishing the nation's first bronchial challenge test and cardiopulmonary exercise testing (CPET). Dr. Jamalul has authored significant works on interventional pulmonology and received the 'Global IP Mentor' and prestigious WABIP-Dumon awards for his groundbreaking contributions to rigid bronchoscopy and central airway obstruction management. He holds key leadership roles in national and international pulmonology associations, demonstrating his commitment to advancing the field.