After receiving his MBBS from Sher-E-Bangla Medical College in 1985, Dr. Khan Md. Sayeduzzaman completed his post-graduate studies with an MCPS in medicine in 2002, and he then specialized in respiratory medicine and chest diseases by earning a post-doctoral MD (Chest Disease) from NIDCH in 2006. (National Institute of Diseases of the Chest and Hospital). He has shown to be an expert in treating COPD issues such chronic bronchitis and emphysema as well as cough, shortness of breath, and effects of smoking or air pollution. He also has extensive knowledge and skill in treating lung infections like pneumonia as well as respiratory tract and inflammatory diseases like asthma. He worked for the government for a lengthy three decades, holding positions at places like NIDCH, Sir Salimullah Medical College & Hospital (Mitford), Chittagong Medical College & Hospital, and Barisal SBMCH, among others.