Hi, I’m Stefan! I try to understand neural networks & LLMs by analysing their internals (“mechanistic interpretability”). I work at the non-profit organization Apollo Research where I develop new mechanistic interpretability tools, and research how interpretability can enhance model evaluations for AI safety.

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The best way to get in touch with me are email (firstname.lastname@gmail.com, stefan@heimersheim.eu) or DMs on LessWrong.

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Stefan Heimersheim
25 Holywell Row
EC2A 4XE
London

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