Nelson Elhage
I'm currently an engineer and researcher at Anthropic. I currently work on our pretraining team; before that I worked on reverse-engineering large language models. You can read that team's research . Previously, I've worked at: As a personal project, I've put together livegrep.com, a site which allows for realtime regex searching of the Linux kernel as-you-type, using Russ Cox's RE2 regex library, and a custom indexing backend. It's open-source and you can deploy it for your own source code! It's also one of the backends for Mozilla's SearchFox. I write at a number of online venues. You can find stuff I've written at: I've previously done some security work for various open-source projects, including the Linux kernel and KVM. I presented at Black Hat USA 2011 about some work I have done on KVM. My slides and code for that talk are now available online.
Work Previously, I've worked at: Anthropic, where I worked on interpretability of large language models, and a number of other projects. You can read a number of publications I contributed to on the Interpretability team's website.. Stripe, where I worked on a variety of projects and teams, including as a founding member of the Sorbet project. Ksplice (and, post-acquisition, Oracle) working on the Ksplice technology and product for updating the Linux kernel without rebooting. livegrep As a personal project, I've put together livegrep.com, a site which allows for realtime regex…
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