"Breaker of the Generals' Plan" .. Who is the leader Izz al-Din al-Beik?

An investigative report profiles the life of Izz al-Din al-Beik, a senior commander in the Al-Qassam Brigades who was assassinated by Israel on September 29, 2026, in an airstrike on Gaza City. The report covers his military career since joining the Qassam Brigades in 2000, his role in leading the Northern Brigade, his preparation of intelligence and operational plans for the October 7, 2023 attack, and his leadership of the defensive plan that thwarted the Israeli "Generals' Plan."

An expanded report publishes the biography of Izz al-Din al-Beik, a senior commander in the Al-Qassam Brigades who was assassinated by Israel on September 29, 2026, in an airstrike by a drone targeting an apartment in Gaza City. Al-Beik was born in 1981, joined the Hamas movement early, and enlisted in the Al-Qassam Brigades in 2000 alongside commanders Suhail Ziada and Abu Anas al-Ghandour. He quickly rose in military operations, took command of the first special unit in the Northern Brigade, and oversaw the execution of special missions and commando operations. He led the "Martyr Imad Aql Battalion" for 10 years and served as the military intelligence officer in the Northern Brigade. He played a prominent role in preparing intelligence and operational plans for the October 7, 2023 attack. Hamas gave him the nickname "Breaker of the Generals' Plan," referring to the Israeli plan to control northern Gaza in 2024, where he led a defensive plan that contributed to inflicting heavy losses on the Israeli army. He took command of the Northern Brigade following the martyrdom of Ahmed al-Ghandour in November 2023. He survived a previous assassination attempt in May 2026. The report relies on sources from the Hamas movement and Al Jazeera Net.