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Policy / Organization profile

Nuclear Threat Initiative

What Nuclear Threat Initiative does

The Nuclear Threat Initiative (NTI) is a nonprofit, nonpartisan global security organization focused on reducing nuclear, biological, and emerging technology threats that imperil humanity. NTI combines policy analysis and convening with targeted program implementation to help governments and partners reduce catastrophic risks—spanning nuclear security and strategic stability, biosecurity and the governance of AI-enabled life science tools, and practical risk-reduction initiatives that aim to strengthen safeguards and reduce the likelihood of accidental, mistaken, or unauthorized use or escalation.

As of late 2025, NTI transitioned leadership with Christine E. Wormuth taking over as President and CEO (effective November 17, 2025), following Ernest J. Moniz’s tenure as CEO and co-chair. NTI’s public communications and program descriptions emphasize (1) nuclear risk reduction through fail-safe and stability-focused work, (2) biosecurity governance and safeguards around advanced biological capabilities—especially where AI and life sciences converge—and (3) emerging-technology risk mitigation through concrete tools, frameworks, and policy engagement.

Institutionally, NTI is positioned as a long-running convenor and implementer in WMD risk reduction, with programs that explicitly connect policy output to real-world operational steps—such as supporting mechanisms for DNA screening of synthesis orders and publishing policy frameworks for how biological AI tools could be governed to reduce misuse risk.

News

Company record

Sep 17, 2026 · Official · Nuclear Threat Initiative85% of Registered Voters Support the United States Working with China to Mitigate AI Risks, according to New Poll

NTI announced results from YouGov polling commissioned by NTI and ReThink Media on public support for U.S.-China cooperation to mitigate catastrophic threats associated with nuclear risks, AI development, and bioterrorism.

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Sep 15, 2026 · Official · Nuclear Threat InitiativeRussia and United States Retreat from Nuclear Security as 12 Countries Step Up, 2026 NTI Nuclear Security Index Finds

NTI released the 2026 Nuclear Security Index, reporting an overall decline in nuclear security conditions for Russia and the United States and improvement for 12 other countries, and presenting the Index’s key drivers.

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Jul 29, 2026 · Official · Nuclear Threat InitiativeNTI Engages Senior Congressional Staff with New Congressional Leadership Project (CLP)

NTI reported that the inaugural edition of its Congressional Leadership Project concluded, describing the program’s structure, topics, and participant feedback, and noting an application process for a second cohort.

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Jan 28, 2026 · Official · Nuclear Threat InitiativeNew NTI Framework Tackles Misuse Risks in AIxBio Tools

NTI announced a policy framework describing managed access for biological AI tools to reduce misuse risk, based on interviews with biosecurity and AIxBio experts, and invited tool developers and stakeholders to adopt the approach.

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Oct 22, 2025 · Official · Nuclear Threat InitiativeNTI Welcomes Christine E. Wormuth as President and CEO

NTI announced that Christine E. Wormuth would join as President and CEO effective November 17, 2025, following Moniz’s departure from the CEO role.

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Jan 11, 2024 · Official · Nuclear Threat InitiativeNTI Launches Scoping Effort for AI-Bio Forum

NTI reported that NTI | bio convened experts in January 2024 to outline steps toward establishing an international AI-Bio Forum, and described the next steps for scoping the forum’s structure and participants.

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What it builds

Nuclear Security Index

NTI publishes its Nuclear Security Index, including the 2026 edition, which scores and tracks nuclear security conditions across countries and is developed with Economist Impact.

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Advancing Nuclear Fail-Safe work (fail-safe reviews dialogue)

NTI’s fail-safe work convenes dialogues and engagements intended to promote practical nuclear risk-reduction steps, including fail-safe reviews as a stability measure.

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NTI | bio (AI and biosecurity governance and policy programs)

NTI | bio is NTI’s global biological policy and programs effort focused on biosecurity risks that arise at the intersection of AI and the life sciences, including policy research, convenings, and risk-reduction approaches.

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Common Mechanism (DNA synthesis screening tool)

NTI and IBBIS launched the Common Mechanism, described by NTI as a free, globally available software tool to screen DNA synthesis orders and flag potentially risky genetic sequences.

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NTI Congressional Leadership Project (CLP)

NTI’s Congressional Leadership Project is a program engaging U.S. legislative branch staff in bipartisan, bicameral discussions on nuclear and biological threats and opportunities.

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Key metrics

Milestones & partnerships