Isabel Juniewicz

Isabel Juniewicz

Isabel Juniewicz is a senior researcher at Epoch AI. She previously worked as a researcher at Open Philanthropy (now Coefficient Giving) and at Forethought. She has a masters degree in economics from UCLA and an undergraduate quadruple major in economics, mathematics, statistics and computer science.

isabel.juniewicz@epoch.ai

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The AI boom has doubled computing infrastructure's share of US GDP
Data Insight
Jun. 5, 2026
The AI boom has doubled computing infrastructure's share of US GDP

By Isabel Juniewicz

Diversion and resale: estimating compute smuggling to China
Report
Apr. 29, 2026
Diversion and resale: estimating compute smuggling to China

We estimate that between 290,000 and 1.6 million H100-equivalents (H100e) were smuggled to China through 2025. Our median estimate of 660,000 H100e would be roughly a third of China's total compute.

By Isabel Juniewicz

Microsoft’s recent $68 billion in physical assets additions were driven by AI-related purchases
Data Insight
Mar. 5, 2026
Microsoft’s recent $68 billion in physical assets additions were driven by AI-related purchases

By Isabel Juniewicz

Hyperscaler capex has quadrupled since GPT-4's release
Data Insight
Feb. 26, 2026
Hyperscaler capex has quadrupled since GPT-4's release

By Isabel Juniewicz