The Cipher Brief's National Security Network

Our expanding network of national security experts and contributors includes top thinkers from the intelligence, military, academic and business sectors. Their collective contributions to the security conversation will lead to tomorrow’s solutions.

General Michael Hayden

Former Director, CIA and NSA

Gen. Jack Keane (Ret.)

Former Vice Chief of Staff, United States Army

General David Petraeus (Ret.)

Former Director of the CIA

Michael Vickers

Former Under Secretary of Defense for Intelligence

Admiral James Stavridis (Ret.)

Former Supreme Allied Commander, NATO

Lt. Gen. James R. Clapper (Ret.)

Former U.S. Director of National Intelligence

General Frank McKenzie (Ret.)

Former Commander, United States Central Command

Sir Alex Younger, Former Chief of Britain's Secret Intelligence Service, MI6

Former Chief of British Secret Intelligence (MI6)

Michael Chertoff

Former United States Secretary of Homeland Security

General Philip M. Breedlove

Former Supreme Allied Commander, NATO

Sir John Sawers

Former Chief of the British Secret Intelligence Service (MI6)

General Keith Alexander

Former Director, National Security Agency

General John R. Allen

Former Commander of the NATO International Security Assistance Force in Afghanistan

Patrick Calvar

Former Director General of the French Security Service, the General Directorate for Internal Security (DGSI)

Nick Warner

Former Director-General of the Office of National Intelligence (ONI) Australia

General Stanley McChrystal

Former Commander, ISAF