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

Future of the Iran Deal – NTI Resources

The Nuclear Threat Initiative, led by former Secretary of Energy Ernest Moniz, the principal negotiator of the final 2015 Iran deal nuclear provisions, has compiled a collection of resources and materials to ...



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

    Did you see our news? NTI is working w/ NYC & @ENERGY to replace material that could be used for dirty bombs. Info:… https://t.co/6vsr75pvhY
    RT @FedericaMog: Today on my blog: Working to preserve #IranDeal https://t.co/vaO2aIoMCR https://t.co/KBSvAj3oCh
    RT @LSRTweets: Agree 100% w/ @ErnestMoniz who says projecting American values IS a national security imperative at HKS #natsecforum https:/…

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