Harry Mayne

PhD researcher at the University of Oxford

Language model explainability and interpretability.

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Research

I'm a PhD researcher at the University of Oxford, where I focus on language model explainability and interpretability. My current research explores whether models can reliably explain their outputs in natural language, and what the implications are for broader human-computer interaction. I've previously worked on mechanistic interpretability problems and continue to contribute to this area, though it is less of a priority for me at the moment.

Asides from my main PhD research, I do a lot of work on LLM evals more broadly. I was part of the team behind the LingOly reasoning benchmark, which was presented as an oral at NeurIPS 2024 (top 0.5% papers). We've also recently released LingOly-TOO - check it out! Beyond individual benchmarks, I’m interested in building more rigorous standards and ways to aggregate the results from many benchmarks. I'm currently involved in several projects aimed at advancing this goal.

I’m a member of the Reasoning with Machines AI Lab and am supervised by Dr Adam Mahdi (Oxford Internet Institute) and Professor Jakob Foerster (Department of Engineering Sciences).

Selected Publications
I'm now in the second year of my PhD. I've had a bit of an unusual path to get to where I am today, having transitioned from originally studying economics!
Education
Oxford Internet Institute, University of Oxford
DPhil Social Data Science
Researching language model explainability and interpretability
2023 - 2026
Oxford Internet Institute, University of Oxford
MSc Social Data Science
Distinction, 77%
Oxford Internet Institute Thesis Prize for best dissertation (88%)
2022 - 2023
Selwyn College, University of Cambridge
BA Economics
Double First Class, top 10% of cohort
Awarded the Patrick Cross Prize for exceptional performance in the Economics Tripos
2019 - 2022
Grants
Grand Union DPT, Economic and Social Research Council
Full PhD Scholarship
2022 - 2026

Blog and resources

University of Cambridge
Economics Interview Questions

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Contact

If you would like to discuss collaborations, talks or teaching then please get in touch. I'm very open to discussing research ideas! You can also contact me through X or LinkedIn.
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