- 
  
  Dayib was born in in Lebanon to a Syrian father and an Argentinean mother
- 
  
  He served in the Syrian Air Force as a truck
 driver and received light weapons training
- 
  
  During this period he lived in Saudi Arabia and worked as a door-to-door salesman.
- 
  
  He returned to Syria where he worked as a truck driver until 2000.
- 
  
  In May 2000, Diyab met Abu Jafar al-Iraqi who
 advised him to move to Pakistan and helped smuggle him there via Iran.