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Helen Toner

Executive Director, Center for Security and Emerging Technology (CSET), Georgetown University

  • Executive Director, Center for Security and Emerging Technology (CSET), Georgetown University1

Helen Toner is the Executive Director of the Center for Security and Emerging Technology (CSET), a policy research organization at Georgetown University that Helen Toner helped found in 2019. Helen Toner previously served as CSET's Director of Strategy and Foundational Research Grants and, before CSET, as a Senior Research Analyst at Open Philanthropy. Helen Toner writes Rising Tide, a newsletter about navigating the transition to a world with extremely advanced AI systems, and is the first-listed author of CSET's 2024 workshop report on preparing for AI agents.123

At a glance

Current role
Executive Director
Sector
University
Work listed
2
Sources cited
9
Profile reviewed

Career

Toner worked as a Senior Research Analyst at Open Philanthropy, advising policymakers and grantmakers on AI policy and strategy. Toner was then a Research Affiliate of Oxford University's Center for the Governance of AI, studying the Chinese AI ecosystem, before helping to found CSET at Georgetown University in 2019.12

At CSET Toner served as Director of Strategy and Foundational Research Grants and later as Interim Executive Director, the title CSET used when Toner testified before the U.S. Senate Committee on the Judiciary in April 2026. CSET's staff page now lists Toner as Executive Director.14

Writing and policy work

Toner has testified before several Congressional committees. In June 2019 Toner, Jeff Ding and Elsa Kania testified before the U.S.-China Economic and Security Review Commission at a hearing on technology, trade and military-civil fusion. Toner has also written for outlets including Foreign Affairs, the Economist and TIME on AI policy.15

For CSET, Toner has co-written explainers on how large language models work, including a March 2024 series on pre-training and on the fine-tuning techniques developers use to steer model outputs, and a July 2024 explainer on evaluating language models. Toner was first-listed author of CSET's October 2024 workshop report on preparing for AI agents, and writes Rising Tide, a newsletter about the transition to a world with highly advanced AI systems.67832

Work and contributions

  • Rising Tide Show, channel or publication

    Writes Rising Tide, a Substack newsletter of intermittent writing on navigating the transition to a world with extremely advanced AI systems, on topics outside CSET's national security focus.2

  • Through the Chat Window and Into the Real World: Preparing for AI Agents Published research

    First-listed author of this October 2024 CSET-led workshop report on what constitutes an AI agent, how the technology is improving, and the questions agents raise.3

Timeline

  1. Helped found the Center for Security and Emerging Technology at Georgetown University.2
  2. Testified before the U.S.-China Economic and Security Review Commission with CSET colleagues.5
  3. Co-wrote a Scientific American op-ed with Husanjot Chahal on the role of small data in machine learning.9
  4. Co-wrote CSET's explainer series on how large language models are pre-trained and fine-tuned.67
  5. Co-wrote a CSET explainer on evaluating large language models.8
  6. Published CSET's workshop report on preparing for AI agents as first-listed author.3
  7. Testified before the U.S. Senate Committee on the Judiciary as CSET's Interim Executive Director.4

Other documented roles

Roles the sources document that are not confirmed as current.

  • Director of Strategy and Foundational Research Grants, Center for Security and Emerging Technology (CSET), Georgetown University1
  • Senior Research Analyst, Open Philanthropy12

Where they work

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References

9 sources · profile reviewed Oct 21, 2026 · data updated Oct 21, 2026

  1. Helen Toner — CSET staff profileCenter for Security and Emerging Technology, Georgetown University · Official page · accessed Oct 21, 2026
  2. About — Rising TideRising Tide (Helen Toner) · Official page · accessed Oct 21, 2026
  3. Through the Chat Window and Into the Real World: Preparing for AI Agents (CSET, October 2024)Center for Security and Emerging Technology, Georgetown University · Paper · published Oct 2024 · accessed Oct 21, 2026
  4. CSET Director Helen Toner Testifies Before Senate Judiciary CommitteeCenter for Security and Emerging Technology · Announcement · published Apr 22, 2026 · accessed Oct 21, 2026
  5. U.S.-China Economic and Security Review Commission Hearing on Technology, Trade, and Military-Civil FusionCenter for Security and Emerging Technology · Announcement · published Jun 7, 2019 · accessed Oct 21, 2026
  6. The Surprising Power of Next Word Prediction: Large Language Models Explained, Part 1Center for Security and Emerging Technology · Official page · published Mar 8, 2024 · accessed Oct 21, 2026
  7. How Developers Steer Language Model Outputs: Large Language Models Explained, Part 2Center for Security and Emerging Technology · Official page · published Mar 8, 2024 · accessed Oct 21, 2026
  8. Evaluating Large Language ModelsCenter for Security and Emerging Technology · Official page · published Jul 17, 2024 · accessed Oct 21, 2026
  9. Small Data Is Also Crucial for Machine LearningCenter for Security and Emerging Technology · Official page · published Oct 19, 2021 · accessed Oct 21, 2026