Dr. Michael Warner serves as the Historian for the United States Cyber Command. He was formerly a historian for the Central Intelligence Agency and the Historian for the Office of the Director of National Intelligence. He has written and lectured widely on intelligence history, theory, and reform and has published articles in Intelligence and National Security, Studies in Intelligence, and the SAIS Review of International Affairs. He has taught at American University, Columbia University, and Johns Hopkins University.
In his official capacity, he has edited or co-edited The CIA under Harry Truman (1994), Venona: Soviet Espionage and the American Response, 1939-1957 (1996), and Central Intelligence: Origin and Evolution (2001).
His book The Rise and Fall of Intelligence: An International Security History was published in 2014 by Georgetown University Press.