Gary Berntsen is a retired senior CIA operations officer who has served as a chief of station on three separate occasions. He led the CIA’s most important counterterrorist deployments from 1995 through 2005. Since May 2007 he has been serving asan intelligence and counterinsurgency adviser in eastern Afghanistan. Berntsen is the author of the bestseller Jawbreaker: The Attack on Bin Laden and Al Qaeda (Crown, 2005). He has done more than seventy-five television appearances as well as numerous appearances on CNN, Fox, MSNBC, and NBC. He lives in Forest Hills, New York.