Frank Klotz

Frank Klotz

Lieutenant General Frank G. Klotz, United States Air Force (Ret.), is the US Department of Energy’s Under Secretary for Nuclear Security and Administrator for the National Nuclear Security Administration (NNSA).


As Under Secretary for Nuclear Security, Lt. Gen. Klotz is responsible for the management and operation of the NNSA as well as policy matters across the Department of Energy and NNSA enterprise in support of President Barack Obama’s nuclear security agenda.


Prior to taking up his current position in 2014, he served in a variety of military and national security positions. As Commander of Air Force Global Strike Command from 2009 to 2011, he established and then led a new 23 000-person organization that merged responsibility for all US nuclear-capable bombers and land-based missiles under a single chain of command. From 2007 to 2009, Lt. Gen. Klotz was the Assistant Vice Chief of Staff and Director of the Air Staff. He served as the Vice Commander of Air Force Space Command from 2005 to 2007 and was the Commander of the Twentieth Air Force from 2003 to 2005.

Lt. Gen. Klotz served at the White House from 2001 to 2003 as the Director for Nuclear Policy and Arms Control on the National Security Council, where he represented the White House in the talks that led to the 2002 Moscow Treaty to reduce strategic nuclear weapons. Earlier in his career, he served as the Defense Attaché at the US Embassy in Moscow during a particularly eventful period in US–Russian relations.


A distinguished graduate of the US Air Force Academy, Lt. Gen. Klotz attended Oxford University as a Rhodes Scholar, where he earned an MPhil in international relations and a DPhil in politics. He is also a graduate of the National War College in Washington, DC. Most recently, Lt. Gen. Klotz was a senior fellow for strategic studies and arms control at the Council on Foreign Relations.