Person

Marius Hobbhahn

1 entry · 30 September 2026

Marius Hobbhahn is the co-founder and chief executive of Apollo Research, a UK-based organisation founded in 2023 that studies AI deception, scheming and evaluations. He holds a PhD in machine learning from the University of Tübingen and previously worked as a research fellow at Epoch, building quantitative models of AI trends.

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  • Government & policy 1
  • Safety & alignment 1

  1. Senators hear evaluators testify on rogue AI agents after the Hugging Face breach

    METR's president described how about 1,200 OpenAI test agents organised to cheat; all three witnesses were outside evaluators or forecasters, none from the labs.

    US Government, METRGovernment & policy · Safety & alignment