Minimizing Weapons-Usable Nuclear Material: A Nuclear Security Success Story Still in Progress
One of the most significant achievements in reducing the risk of nuclear terrorism over the past two decades is something that rarely makes headlines.
Risky Business
Welcome to the blog
Here we highlight the work of NTI and share knowledge, ideas, and viewpoints addressing the crosscutting challenges our world faces—addressing risks while supporting innovation—to make our world safer.
Get To Know NTI: Amanda Krieger
Humidity, Hard Truths, and the Future of Global Health Security
A Simple Step to Close a Dangerous Biosecurity Gap
Three Strikes: Why Giving Up on the NPT Is Not an Option
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Get To Know NTI: Amanda Krieger
Amanda Krieger is an officer with NTI’s Development team, where she builds relationships and leads strategic engagement efforts to secure major philanthropic support for NTI’s mission. Amanda spoke with NTI intern Ryan Takeji Adams about her work in fundraising, past experiences, and hobbies.
Get to Know NTI: Elise Rowan
Elise Rowan serves as the deputy vice president of NTI’s Communications team. She co-leads the organization’s Critical Mass project, which harnesses the power of culture and campaigns to change the narrative on nuclear weapons and shift political incentives toward policies that reduce nuclear risks.
Get to Know NTI: Cassandra Varanka
Cassandra Varanka is NTI’s director of legislative affairs. Since joining NTI in July 2025, she has focused on developing and advancing legislative strategies to shape impactful policy outcomes that further the organization’s agenda in the U.S. government.
Turning Risk into Action
The way we talk about risk shapes what gets done and who plays a role. Hugh Sullivan, NTI’s vice president for development explores how storytelling, tailored messaging, and a focus on agency can turn risk into action—and why optimism is essential for impact in global security.
Get to Know NTI: Hugh Sullivan
Hugh Sullivan is NTI’s vice president for development. He has centered his career on promoting mutually beneficial international understanding through education, partnerships, and scientific inquiry and awareness. Hugh spoke with NTI intern Anusha Trivedi about his work in fundraising, past experiences, and hobbies.
Double Your Impact This Giving Tuesday
December 2 is Giving Tuesday, the global day of giving—and we have exciting news: Every gift will be matched 1:1 by an NTI Board member! That means your impact will be doubled to help build a safer world.
Get to Know NTI: Isabelle Williams
Isabelle Williams serves as a senior director at NTI. She leads and supports projects across the organization, including understanding nuclear effects and advancing a vision of a world free of nuclear weapons. Isabelle spoke with NTI intern Siri Beck-Friis about her work, background, and lazy hobbies.
Get to Know NTI: Grace Wankelman
Grace Wankelman joined NTI in March as a social media officer on the Communications team, bringing in an extensive background in content creation and grassroots advocacy.
Young Voices in International Security: Zoe Melton
In the latest addition to NTI’s “Young Voices” series, NTI intern Evelyn Hunter spoke to Zoe Melton, a rising 9th grader from Portola Valley, California, who has developed a strong interest in the history of nuclear weapons development and the Cold War, evolving modern-day nuclear threats, and the need for bold new leadership.
Diverse Voices in Peace and Security: Andrea Pimentel on the Importance of Latinx Perspectives and Mentorship
NTI is committed to highlighting and supporting diversity in the peace and security field. To recognize Hispanic Heritage Month, NTI’s communications intern Carla Montilla spoke with Andrea Pimentel about the importance of Latinx perspectives and mentorship.
Risky Business is edited by:
Scott Nolan Smith
Senior Director, Communications
Mary Olney Fulham
Director, Communications