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Greg Thielmann

Greg Thielmann

Greg Thielmann has served more than three decades in the executive and legislative branches of government, specializing in political-military and intelligence issues. Before joining ACA in 2009, he worked for four years as a senior professional staffer of the Senate Select Committee on Intelligence (SSCI). He was previously a U.S. Foreign Service Officer for 25 years, last serving as Director of the Strategic, Proliferation and Military Affairs Office in the Department of State’s Bureau of Intelligence and Research. His foreign posts include Deputy Political Counselor of the U.S. Embassy in Brasilia, Brazil; Political-Military Affairs Officer in Moscow, USSR; and Political-Military Affairs Officer in Bonn, Germany. Thielmann also served as Deputy Director of the State Department’s Office of German, Austrian and Swiss Affairs; Special Assistant to Ambassador Paul Nitze (then Special Adviser to the President and Secretary of State on Arms Control Matters); and State Department advisor to the U.S. Delegation at the Geneva INF arms control negotiations. Greg is a member of the Council on Foreign Relations and a former member of the Board of Directors of the Arms Control Association (2003-2005). His July 2003 appearance at an ACA press briefing on faulty intelligence assessments on Iraq’s WMD capabilities <http://www.armscontrol.org/events/iraq_july03> led to a CBS News 60 Minutes II segment <http://www.cbsnews.com/stories/2003/10/14/60II/main577975.shtml> titled “The Man Who Knew,” which won an Emmy Award for reporter Scott Pelley.

Greg Thielmann's primary research areas include:

Read more by Greg Thielmann:

  • Iran Nuclear Brief: The Path to Avoiding War and Resolving the Nuclear Crisis
    Threat Assessment Brief
    January 4, 2012

    The Nov. 2011 report of the International Atomic Energy Agency details why the international community remains deeply concerned about Tehran’s nuclear ambitions. While sanctions and other measures have slowed down Iran’s movement toward acquiring a nuclear weapons option, Tehran continues to improve its nuclear capabilities and has so far refused to implement the confidence building steps necessary to ensure it is not pursuing nuclear weapons.
  • Iran Nuclear Brief: Making Sense of the IAEA’s Latest Report on Iran’s Nuclear Program
    Threat Assessment Brief
    December 5, 2011

    The release of the International Atomic Energy Agency’s latest report on Iran’s nuclear program in early November attracted intense media interest and stimulated strong political reactions in the United States and around the world. The IAEA report and its 14-page annex represented a milestone for the Vienna-based agency in terms of its willingness to present detailed information to the public on activities of concern in Iran’s nuclear program.
  • The IAEA's Iran Report: Assessment and Implications
    Issue Briefs
    November 8, 2011

    Volume 2, Issue 15, November 8, 2011

    The IAEA report and annex released today provides disturbing and “credible” additional details regarding Iranian nuclear warhead development efforts that have allowed Tehran to acquire some of the expertise needed to build nuclear weapons, should it decide to do so.
  • Books of Note
    Arms Control Today
    November 2, 2011

  • Op-ed: GOP candidates, what do you say about savings in military budget?
    Press Room
    August 4, 2011

    By Greg Thielmann, Senior Fellow, Arms Control Association

    The following piece was originally posted online at The Des Moines Register on August 4, 2011.

    Washington is obsessed these days with reducing the deficit. The GOP presidential contenders crisscrossing Iowa give prominence to the issue as well. But even as they call for ever deeper budget cuts, they have been reluctant to look at trimming the $27 billion annual cost of operating and maintaining our bloated Cold War nuclear arsenal and the $125 billion planned for building new weapons in the decade ahead.

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