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Entity Profile

Bureau of International Security and Nonproliferation (ISN)

The Bureau of International Security and Nonproliferation (ISN) focuses on nonproliferation policy, international security policy, and security and nonproliferation programming. The bureau researches AI’s potential impact on WMDs, developing policies to protect U.S. critical technologies, implementing the CHIPS Act through export controls on semiconductors, and addressing evolving terrorism threats involving new technologies.

Official website ↗
Leadership

C.S. Eliot Kang - Assistant Secretary

Authority
See office profile for detailed authorities
2025 Budget Request
$280,480,000

Responsibilities

Specifically, the ISN focuses on:

  • Developing and implementing policies to prevent the spread of weapons of mass destruction (CBRN) and their delivery systems
  • Managing U.S. participation in international nonproliferation regimes and treaties
  • Coordinating diplomatic efforts to strengthen global nonproliferation norms
  • Overseeing export control policies for sensitive technologies
  • Implementing programs to secure and eliminate weapons-usable materials worldwide
  • Promoting peaceful uses of nuclear energy while minimizing proliferation risks

Budget

According to the FY 2025 budget, ISN will focus on strengthening technology control policies to address proliferation threats in semiconductor supply chains. ISN assists foreign partners in enhancing regulatory frameworks and enforcement capabilities for export controls, investment screening, and intellectual property protection. It also develops a secure platform for sharing semiconductor export licensing data among suppliers. Additionally, ISN maps supply chain relationships to identify security risks and improves semiconductor supply chain protection policymaking through access to industry data and analysis.

Offices

Critical Technology Protection (CTP): “The Office of Critical Technology Protection develops foreign policy to protect U.S. critical technologies and to counter the malign influence and destabilizing behavior of competitive powers. The office works to implement policies that protect America’s technological and military advantage, and deny, delay, and disrupt adversaries.”

References

https://www.state.gov/about-us-bureau-of-international-security-and-nonproliferation/

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