Dr. Md Khalid Hasan is the son of Late Md. Mozahar Ali and Late Ms. Shahida Khatoon. He was born in 23rd February, 1957 at Naogaon. He did his MBBS from Rajshahi Medical College in 1982. He is also did his FCPS (Medicine) in 1992. At the beginning of his career that is in 1983 he was posted as Medical Officer as Gogram Union Sub-Center, Godagari, Rajshahi. He was also worked as Medical Officer, Gogram Union Sub-Center, Godagari, Rajshahi in1983, as Medical Oficcer, Godagari Union Sub-Center, Rajshahi in 1984, and as Assistant Registrar, Rangpur Medical College Hospital, Rangpur in 1988. Currently he is working as Professor of Medicine, Dinajpur Medical College. He is highly interested in research on Hematological Diseases. Right now he has more than 9 publications.