--- title: "Nicolas Le Roux · Microsoft — author profile and papers" description: "Nicolas Le Roux, Microsoft: 2 papers on Elamur Research (2023–2024), h-index 24 — affiliations, topics, co-authors and who cites them in…" canonical: "https://research.elamur.ai/free/en/authors/nicolas-le-roux/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/nicolas-le-roux/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Nicolas Le Roux # Nicolas Le Roux Nicolas Le Roux has 2 papers in our library, in 2023–2024, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/); often with [Alessandro Sordoni](https://md.research.elamur.ai/free/en/authors/alessandro-sordoni/), [Aaron Courville](https://md.research.elamur.ai/free/en/authors/aaron-courville/), [Adam Trischler](https://md.research.elamur.ai/free/en/authors/adam-trischler/). 2 papers in our library · 2023–2024 [OpenAlex](https://openalex.org/A5071583471) · [ORCID](https://orcid.org/0000-0002-4758-4870) · [**h-index 24**](https://openalex.org/authors/A5071583471) · [84 works](https://openalex.org/works?filter=author.id:A5071583471) · [5,973 citations](https://openalex.org/works?filter=author.id:A5071583471&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/nicolas-le-roux/#papers) · [🔗 Cited 80 times in our library](https://md.research.elamur.ai/free/en/authors/nicolas-le-roux/cited-by/) · [⭐ Paper Stars ranking: #8217](https://md.research.elamur.ai/free/en/paper-stars/page/83/#star-8217) The profile is the library's match of the name; two people with one name are not always told apart. Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Nicolas+Le+Roux) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Nicolas+Le+Roux) · [dblp](https://dblp.org/search?q=Nicolas+Le+Roux) · [ACL Anthology](https://aclanthology.org/search/?q=Nicolas+Le+Roux) ## Affiliations [🏢**Microsoft** Redmond · United States 2025 · 2 papers*current*](https://md.research.elamur.ai/free/en/companies/microsoft/) · [🏢**Google** Mountain View · United States 2017–2021 · 12 papers](https://md.research.elamur.ai/free/en/companies/google/) · [🎓**Université de Montréal** Montreal · Canada 2003–2022 · 9 papers](https://md.research.elamur.ai/free/en/universities/universite-de-montreal/) · [🔬**Institut national de recherche en sciences et technologies du numérique** Le Chesnay-Rocquencourt · France 2011–2013 · 8 papers](https://md.research.elamur.ai/free/en/labs/institut-national-de-recherche-en-sciences-et-technologies-du-numerique/) · [🔬**École Normale Supérieure - PSL** Paris · France 2011–2012 · 7 papers](https://md.research.elamur.ai/free/en/labs/ecole-normale-superieure-psl/) · [🏢**Criteo** Paris · France 2015–2017 · 4 papers](https://ror.org/04vyg0r47) · [🔬**SIERRA: Apprentissage Statistique et optimisation** Paris · France 2011–2012 · 3 papers](https://ror.org/0485z7y90) · [🎓**McGill University** Montreal · Canada 2021–2022 · 2 papers](https://md.research.elamur.ai/free/en/universities/mcgill-university/) · [🏢**Microsoft Research** Cambridge · United Kingdom 2010 · 2 papers](https://md.research.elamur.ai/free/en/companies/microsoft-research-united-kingdom/) · [🔬**Centre de recherches mathématiques** Montreal · Canada 2004–2006 · 2 papers](https://ror.org/03czdsq06) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 4 more institutions on single bylines are not listed. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 4 The field of science this work belongs to (OpenAlex fields).[Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Arts and Humanities · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Science · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) 🧭 Topics 2 Research subjects and languages the work is about.[Language models & pretraining · 2 works](https://md.research.elamur.ai/free/en/topics/language-models/) · [Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) ## Works by year ### 2020s [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/nicolas-le-roux/year/2024/) · [**2023** 1 paper](https://md.research.elamur.ai/free/en/authors/nicolas-le-roux/year/2023/) ## Papers The most cited first (OpenAlex and our library). 1. **[VinePPO: Refining Credit Assignment in RL Training of LLMs](https://md.research.elamur.ai/free/en/papers/kazemnejad-2024-vineppo-refining-credit-assignment-rl/)** *(2024 · 63 citations)* When large language models are trained with reinforcement learning on multi-step reasoning, the reward arrives only at the end. 2. **[Joint Prompt Optimization of Stacked LLMs using Variational Inference](https://md.research.elamur.ai/free/en/papers/sordoni-2023-joint-prompt-optimization-stacked-llms/)** *(2023 · 23 citations)* The paper treats an instruction-following LLM as a stochastic "language layer." The layer maps a text input to a distribution over text outputs, and its trainable parameters are natural-language prompts rather than weights. ## Co-authors here 9 co-authors with a page, the most papers together first. - [Alessandro Sordoni](https://md.research.elamur.ai/free/en/authors/alessandro-sordoni/) ×2 - [Aaron Courville](https://md.research.elamur.ai/free/en/authors/aaron-courville/) - [Adam Trischler](https://md.research.elamur.ai/free/en/authors/adam-trischler/) - [Amirhossein Kazemnejad](https://md.research.elamur.ai/free/en/authors/amirhossein-kazemnejad/) - [Arian Hosseini](https://md.research.elamur.ai/free/en/authors/arian-hosseini/) - [Marc-Alexandre Cote](https://md.research.elamur.ai/free/en/authors/marc-alexandre-cote/) - [Siva Reddy](https://md.research.elamur.ai/free/en/authors/siva-reddy/) - [Xingdi Yuan](https://md.research.elamur.ai/free/en/authors/xingdi-yuan/) - [Ziang Xiao](https://md.research.elamur.ai/free/en/authors/ziang-xiao/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Conference on Neural Information Processing Systems (NeurIPS)](https://md.research.elamur.ai/free/en/venues/neural-information-processing-systems/): [NeurIPS 2023](https://md.research.elamur.ai/free/en/venues/neural-information-processing-systems/2023/) ## Cited by Papers of our library cite their works 80 times (of the 149,439 papers whose bibliographies we read); [23 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/nicolas-le-roux/cited-by/). Updated 2 November 2026