Updated

NAME — John O. Brennan.

AGE-BIRTH DATE — 57; Sept. 22, 1955.

EDUCATION — Bachelor's degree, political science, Fordham University, 1977; master's degree, government, University of Texas at Austin, 1980.

EXPERIENCE — Assistant to the president for homeland security and counterterrorism, 2009-present; president and CEO of The Analysis Corporation, McLean, Va., 2005-08; interim director of the National Counterterrorism Center, 2004-2005; director of the Terrorist Threat Integration Center, 2003-2004; CIA deputy executive director, 2001-2003.

FAMILY — Wife, Katy Pokluda Brennan; three children.

QUOTE — "Unfortunately, sometimes you have to take life to save lives, and that's what we've been able to do to prevent these individual terrorists from carrying out their murderous attacks." — Brennan in 2012 on ABC's "This Week."