Arthur Renard

Head of R&D at Xent Labs
Applied Mathematician from ETH Zürich

Research Projects

Exploring AI, mathematical reasoning, and symbolic regression at EPFL

Boolformer

Boolformer

ICML 2025 | Stéphane d'Ascoli*, Arthur Renard*, Emmanuel Abbé, Clément Hongler, Vassilis Papadopoulos, Josh Susskind, Samy Bengio - APPLE, EPFL

PyTorchTransformersAcademic ResearchSymbolic Regression

We introduce Boolformer, a Transformer-based model trained to perform end-to-end symbolic regression of Boolean functions. The model can predict compact formulas for complex functions not seen during ...

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Phase Transition Finder

Phase Transition Finder

GECCO 2024 | Vassilis Papadopoulos, Guilhem Doat, Arthur Renard, Clément Hongler - EPFL

PyTorchAcademic ResearchComplex SystemsArtificial Life

One key challenge in Artificial Life is designing systems that display an emergence of complex behaviors. Many such systems depend on a high-dimensional parameter space, only a small subset of which d...

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Experience Highlight

Current research position

Head of Research & Development

Xent Labs

2025 - Now

Leading R&D at Xent Labs. We build Xent Games — an LLM-native game space to train and evaluate reasoning, cooperation, and planning.

Key Publications & Projects

Boolformer: End-to-end symbolic regression for Boolean functions

Phase Transition Finder: Published at GECCO 2024, doubling discovery rate in Lenia

Symbolic Math Solver: International Mathematical Olympiad problems solver powered by AI

LLM Security: Exploring optimization methods in embedding space for enhanced inference

Core Skills

Technical expertise and professional competencies

Programming

  • Python/PyTorch
  • C++
  • Rust
  • Next.js/React Native

Machine Learning

  • Deep Learning
  • Transformers
  • Symbolic Regression
  • LLMs and their applications

Languages

  • French (Native)
  • English (C1, Cambridge)
  • German (Intermediate)
  • Dutch (Basic)

Get In Touch

Feel free to reach out for collaborations or just a friendly chat

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Lausanne, Switzerland