Ali Sayyid Muhamed Mustafa al-Bakri (Arabic: علي سيد محمد مصطفى البكري) alias Abd al-Aziz al-Masri (Arabic: عبد العزيز المصري, born 18 April 1966 in Bani Suwayf, Egypt) is an Egyptian member of the Shura Council of the terrorist organization al-Qaeda and a former member of Egyptian Islamic Jihad,[2] from which he migrated to al-Qaeda, along with Ayman al-Zawahiri.

[1] The State Department wanted poster reads: Ali Sayyid Muhamed Mustafa al-Bakri is an al-Qaida member and an explosives and chemical weapons expert.

Prior to joining al-Qaida, 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-Qaida's camps in Afghanistan, providing terrorist recruits with training in the use of explosives and chemical weapons.

For his membership in al-Qaeda, al-Bakri (under the surname Bakri) is under a worldwide embargo by the United Nations Security Council Committee 1267.