Prof. Dr. Manabendra Nath Nag is the son of Birendra Nath Nag and Bivaboti Nag. He was born in 1947 at Tangail. He did his MBBS from Mymenshingh Medical College in 1972. He is also did his FCPS (Medicine). At the beginning of his career that is in 1974 he was working as Lecture of Physiology at Mymenshingh Medical College. He was also worked as Consultant of Medicine at Rajbari Sadar Hospital Rajbari in 1988, then Assistant Professor, Associate Professor & Professor from Feb 1991 to Oct 2004, and Professor and Head of the department of Medicine, Kumudini Womens Medical College, Mirzapur, Tangail from January 2006. Currently he is working as Professor and Head of the department of Medicine, Ad-din Womens Medical College, Magbazar, Dhaka. He is highly interested on research and till today he has more than 21 publications.