Israr Ahmed, M.D. (b. 1932, Hisar, Haryana in India) is the founder of Tanzeem-e-Islami, since 1957 an international religious organization based in Lahore which calls for the re-establishment of a caliphate in Pakistan and around the world. Dr. Ahmed was educated as a medical student from King Edward Medical College in Lahore, Pakistan in 1954 after which he received his masters in Islamic Studies from the University of Karachi in 1965. Through Jamaat-e-Islami, Dr. Ahmed became a mudarris, or teacher of the Quran. In 1971 he gave up his medical profession and devoted himself to writing and teaching about Islam. He has written over 60 books in Urdu devoted to the study of Islam and created several educational television programs in Pakistan.