Mohammed Atef
Mohammed Atef Al-Masri (Arabic: عاطف المصرى, Atef Al-Masri) (born Sobhi Abu Setta, also known as Abu Hafs al-Masri) was the military chief of al-Qaida, although his role in the organization was not well known by intelligence agencies for years. His death was in November 2001.
Read more about Mohammed Atef: Life, In The Sudan, Named Military Chief, 1998 Embassy Bombings, Planning of Further Militant Activity, Death