Xavier Theimer‑Lienhard

Xavier Theimer‑Lienhard

AI Research Engineer at EPFL. Formerly at Yale University, contributing to LLM training and evaluation. Working at EPFL's LiGHT lab, focused on using technology to save lives.

For the past two years I've been part of Meditron, an academic initiative creating SOTA medical LLMs. My contributions include:


News

Publications

Paper Figure
Llama-3-Meditron: An Open-Weight Suite of Medical LLMs Based on Llama-3.1
A. Sallinen, A.-J. Solergibert, M. Zhang, G. Boyé, M. Dupont-Roc, X. Theimer-Lienhard, E. Boisson, B. Bernath, H. Hadhri, A. Tran, T. Rabbani, T. Brokowski, Meditron Medical Doctor Working Group, T. G. J. Rudner, M.-A. Hartley
AAAI 2025 (GenAI4Health)
[PDF] Open weight medical LLM built on Llama 3.1
Paper Figure
GPoeT: a Language Model Trained for Rhyme Generation on Synthetic Data
A. Popescu-Belis, À. R. Atrio, B. Bernath, E. Boisson, T. Ferrari, X. Theimer-Lienhard, G. Vernikos
ACL SIGHUM 2023 (LaTeCH-CLfL)
[PDF] Trained a GPT-2 poet that writes texts with rhymes.

Experience