Saif al-Adel (Muhammad Salah al-Din al-Halim Zaidan)

Saif al-Adel, also known as Muhammad Salah al-Din al-Halim Zaidan, is a former Egyptian Army officer and explosives expert. He is a high-ranking member of al-Qaeda and has served in various roles, including as the head of Osama bin Laden's personal security force and as a key military strategist for the organization.