John O. Brennan - Wikipedia John Owen Brennan (born September 22, 1955) [1][2] is an American former intelligence officer who served as the director of the Central Intelligence Agency (CIA) from March 2013 to January 2017
Prosecutor in John Brennan investigation removed from case | AP News Brennan served as CIA director under President Barack Obama and was in the position when the intelligence community published a detailed assessment of Russian interference in the 2016 presidential election