NTI experts bring years of experience at the highest levels of government and research to tackle nuclear, chemical, biological and radiological threats.

Meet Our Experts

NTI works with a range of partners on projects designed to reduce the global threats from nuclear, biological, and chemical weapons.

See what we do

We're in a race between cooperation and catastrophe. The threat is outpacing our response. Your support will make a difference.

Donate Now

Resources for the U.S.-Russia Helsinki Summit

As Donald Trump and Vladimir Putin prepare to meet in Helsinki, NTI offers a host of resources on the U.S. and Russian nuclear programs and recommendations for how the presidents can ...



Under the Mountain

A new 3D model of North Korea’s nuclear test site suggests more nuclear tests may be on the way.

Read more
View threat tutorials

NTI has developed interactive educational tools for anyone who wants to learn more about the threat posed by nuclear, chemical, and biological weapons.

Global nuclear policy

NTI works on Global Nuclear Policy to generate global momentum among governments to reduce the risks posed by nuclear weapons and materials.

View Priority

NTI on Twitter

    Sam Nunn divides the Trump-Putin meeting into four categories: "The good, the bad, the ugly and the unknown" per… https://t.co/4AMfJWnkKw
    NTI CEO @ErnestMoniz tells @MSNBC that while some of Pres Trump's statements in Helsinki were "absolutely unconscio… https://t.co/E9ogE2cAGH
    RT @politicalinsidr: Sam Nunn on Donald Trump's "baffling" performance in Helsinki: https://t.co/7gUKyihzVm

As long as nuclear materials and facilities exist and the nuclear terrorism threat remains, the cooperative work necessary to prevent catastrophic nuclear terrorism must continue.

Joan Rohlfing
President and Chief Operating Officer
Nuclear Threat Initiative