Abu Ayyub al-Masri (أبو أيّوب المصري, Abū Ayyūb al-Maṣrī) also known as Abu Hamza al-Muhajir (أبو حمزة المهاجر) (c. 1968 – April 18, 2010) was a senior aide to the former leader of Al-Qaeda in Iraq, Abu Musab al-Zarqawi. When Zarqawi was killed in a U.S. airstrike on 7 June 2006, U.S. Pentagon sources identified him as among the prime candidates to assume direction of the Iraqi insurgency.
The Mujahideen Shura Council, which claims to speak for Tenzheem Qa'adah al-Jihad and other groups in Iraq, named Abu Hamza al-Muhajir as their new emir in June 2006. However, National Security Advisor Stephen Hadley said, “It’s not clear at this point who is in (control). We’ve seen a number of different reports … In our view it’s not yet settled.” His real name is Abdul-Monim al-Badawi according to an al-Qaida statement last year describing the makeup of a new "War Cabinet."
Born in Egypt, he joined the Muslim Brotherhood and, according to General Caldwell, joined Ayman al-Zawahiri’s Egyptian Islamic Jihad in 1982, where he was Zawahiri’s protégé. He went to bin Laden’s al-Farouk camp in Afghanistan in 1999, where he became an expert with explosives, especially truck bombs and roadside bombs like those currently used in Iraq.