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John O. Brennan

Biography

3:05

John Brennan discusses CIA innovation during the Digital Revolution

 

2:47

Trump calls John Brennan “worst” CIA director in history

 

2:34

Who is John Brennan?

 

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Preview: John Brennan

 

2:18

CIA Director John Brennan defends agency in wake of torture report

John Owen Brennan is a former American intelligence officer who served as the Director of the Central Intelligence Agency (CIA) from March 2013 to January 2017. He served as chief counterterrorism advisor to U.S. President Barack Obama, with the title Deputy National Security Advisor for Homeland Security and Counterterrorism, and Assistant to the President. Previously, he advised Obama on foreign policy and intelligence issues during the 2008 election campaign and presidential transition.