Abdallah Salem el-Badri, also known as Ibrahim al-Badri, was born in 1941 in the city of Samarra, Iraq. He served as the leader of the Islamic State of Iraq and the Levant (ISIL), a jihadist militant group. El-Badri played a key role in expanding ISIL's territories and influence, leading the group through a period of intense violence and conflict. He declared himself the caliph of the Islamic State, garnering global attention and criticism for his ruthless tactics and extremist ideologies.