Mohammed Deif, born in Gaza in 1965, is a founding member and commander of Hamas's Izz al-Din al-Qassam Brigades (IQB). He has survived multiple Israeli assassination attempts, two of which left him seriously injured. The most recent attempt was during the 2014 military operation in Gaza, which killed his wife and one of his children and injured other family members. While recovering from his injuries, Deif was replaced as IQB head by Ahmad Jabari, who was assassinated by Israel in November 2012. He was listed as a Specially Designated Global Terrorist (SDGT) by the US Department of State.