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Decision Tree Research

Decision Tree Research is an independent research and analysis firm that specializes in strategic technologies, public policy, and geopolitics.

“Allen has been a must-read.”
— Ben Thompson, Stratechery
“Very much at the center of the formulation of current U.S. policy.”
— The Economist
“The most-watched U.S. analyst on the subject.”
— Semafor

Subscribe to Gregory C. Allen’s newsletter for timely, evidence-based analysis of the big policy debates in AI, semiconductors, and defense tech.

From The AI Power Podcast

Weekly episodes on AI policy, semiconductors, and the U.S.–China technology competition — hosted by Gregory C. Allen.

Episode 19October 29, 2026 · 62 min

Nvidia CEO Hangs Out with Chinese Spy? + China’s New AI Export Controls + The AI/Cyber Month from Hell + AI in the Midterm Elections

Greg and Adam Goodwin dig into the New York Times report that Chinese intelligence targeted Jensen Huang through the CEO of an Nvidia partner company, and the long list of red flags around efforts to get Nvidia chips into China. Then they break down China’s new AI export controls, which bear a striking resemblance to the Biden-era Diffusion Rule, and what Beijing wants from them. Greg also recounts the PHP vulnerability and a record-setting “Black October” for AI-found vulnerabilities, and the episode closes on how voters feel about AI heading into the midterms.

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Episode 18October 19, 2026 · 56 min

How China Got 340 DUVi Lithography Machines and Why We Should Stop Selling Them with Saif Khan and Nick Brown

Everyone talks about EUV, but China’s AI chips are made on older immersion DUV machines, and it now has around 340 of them. Saif Khan and Nick Brown of the Center for Technology and Statecraft join Greg to break down their 100+ page report on how China built that stockpile and why they say a countrywide export ban is the fix. They also cover whether China can build its own, and what it would take.

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Episode 17October 15, 2026 · 32 min

Trump Likes Mandatory AI Regulation for America but Not China? + Anthropic Defeats Distillation

Greg and Jack Conlin break down how an incident involving Anthropic’s AI agents pushed the White House’s Super Intelligence Task Force toward tougher de facto regulation and oversight of AI, and what CAISSI’s new name and more direct line to the White House mean. Greg argues that tightening the rules on U.S. models while leaving Chinese models unaddressed is inconsistent and puts American AI leadership at risk. Then: Anthropic reports it has stopped 90–99% of adversarial distillation, a core avenue for Chinese AI development. Will that advantage last?

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Why “Decision Tree”?

The decision tree is one of the most useful analytical tools in three disciplines that rarely meet: Machine Learning & AI, Corporate Strategy, and Government Policy Analysis.

In machine learning, the decision tree is foundational to how models classify and predict. In business strategy, it structures operations planning, capital allocation, and risk decisions. In policy analysis, it maps the consequences of regulation, sanctions, and other interventions through complex systems.

Gregory C. Allen’s career has spanned all three. The firm’s name signals the methodology that runs through the work: enumerate the decisions, trace the branches honestly, find the paths that carry the most consequence, and reason rigorously before acting. Decision Tree Research applies that discipline to our analysis of the technologies shaping global power competition.

Machine Learning & AI Corporate Strategy Government Policy Analysis DECISION TREE RESEARCH
Decision Tree Research operates at the intersection of machine learning, business strategy, and policy analysis.

Built on a body of work

Before founding Decision Tree Research, Gregory C. Allen authored some of the most impactful analysis in U.S. AI policy — at CSIS, the Department of Defense Joint Artificial Intelligence Center, the Center for a New American Security, and the Belfer Center for Science and International Affairs at Harvard Kennedy School.