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



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

    RT @BulletinAtomic: Tonight, nuclear weapons experts will be live tweeting the #MadamSecretary finale on BOTH COASTS. If you're watching at…
    NTI has teamed up with @JHSPH_CHS, @TheEIU, @open_phil, and others to create a Global Health Security Index. Want t… https://t.co/WnBhCr3WQH
    Tomorrow night is the #MadamSecretary season finale. You won't want to miss this one! Things get nuclear. (Sun 10 p… https://t.co/07KKdUAj8S

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