2 May 2011 Updated at 05:36 ET
Al-Qaeda's remaining leaders
After 11 September 2001, the US issued a list of suspected al-Qaeda leaders. Many have now been captured or killed, including Osama Bin Laden, while some new names have emerged.
Ayman al-Zawahiri
Ayman al-Zawahiri, an eye surgeon who helped found the Egyptian Islamic Jihad militant group, is expected to replace Osama Bin Laden as the leader of al-Qaeda.
link-
http://www.bbc.co.uk/news/world-south-asia-11489337