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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By Isabel Juniewicz

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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