They call him "CIA John", he joined the team of CIA right after the September 11 twin tower bombing. He was one of the best man they have, he is also involve in capturing major terrorist from 2003-2005.
CIA John was in the same photo where Pres. Obama was watching the whole video of the killing of Bin Laden. Observer.com said that the man wearing a yellow tie was the one who tracked down Bin Laden.
On the other hand, Crytome released a college photo of the said man that Associated Press said was CIA John.