Date of birth: April 18, 1966
Place of birth: Bani Suwayf, Egypt
Eyes: Dark
Sex: Male
Aliases: Hasan ‘Umar Ibrahim Ali Saleem Abu Salsbil variant Abu Salsabil Hassan Omar variant Hasan ‘Umar Zizo
Ali Sayyid Muhamed Mustafa al-Bakri, a.k.a. Abd al-Aziz al-Masri, is an al Qaeda member and an explosives and chemical weapons expert. He is a member of the al Qaeda Shura (leadership) council and is a close associate of al Qaeda leaders Saif al-Adel and Ayman al-Zawahiri.
Prior to joining al Qaeda, al-Bakri was a member of the Egyptian Islamic Jihad terrorist group, under the direction of Ayman al-Zawahiri. He served as an instructor in al Qaeda's camps in Afghanistan, providing terrorist recruits with training in the use of explosives and chemical weapons. Al-Bakri also unsuccessfully attempted to hijack a Pakistani Air passenger flight in December 2000. It is likely that he continues to train al Qaeda terrorists and other extremists.