Lieutenant General Frank Klotz, U.S. Air Force (Retired), is the former Under Secretary of Energy for Nuclear Security and Administrator of the National Nuclear Security Administration.

In this Senate-confirmed position, he was responsible for the Department of Energy’s wide-ranging scientific and technical activities to maintain an effective U.S. nuclear deterrent and to reduce the threat of nuclear proliferation and nuclear terrorism.

While on active duty, he served in several senior military posts, including Commander, AF Global Strike Command; Assistant Vice Chief of Staff and Director of the Air Staff; Vice Commander, AF Space Command; the National Security Council staff; and Defense Attaché, U.S. Embassy Moscow.

Following his retirement from active duty in 2011, General Klotz became a senior fellow for strategic studies and arms control at the Council on Foreign Relations. He also served on the Committee on International Security and Arms Control of the National Academy of Sciences; the U.S. Secretary of State’s International Security Advisory Board; and the Committee on Human Spaceflight of the National Research Council. A distinguished graduate of the USAF Academy, he attended the University of Oxford as a Rhodes Scholar, where he earned M.Phil. and D.Phil. degrees.

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