served as the Chief of the bin Laden unit (aka Alec Station), the Osama bin
Laden tracking unit at the Counterterrorism Center. He then worked as Special
Adviser to the Chief of the bin Laden unit from September 2001 to November 2004.
He resigned from the CIA in 2004. He is currently an Adjunct Professor of
Security Studies at Georgetown University and a Senior Fellow at the Jamestown
Foundation, writing regularly for its online publication Global Terrorism
Analysis. He lives in Virginia with his wife and two children.