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Career profile

Guillaume Genthial

Deploying Agents @ Sierra

Paris, Île-de-France, France

Career path.

  1. Sierra

    Agent Engineer

    Feb 2026 - Present
  2. Fragment (YC S23)

    Co-founder & CTO

    Jan 2023 - Apr 2026
  3. MetaMap

    AI Lead

    Jul 2021 - Jun 2022
  4. Criteo

    Senior Machine Learning Engineer

    Jan 2019 - Jan 2021
  5. Roam Analytics

    NLP Engineer

    Jan 2018 - Jan 2020
  6. Stanford Machine Learning Group

    Research Assistant

    Sep 2017 - Jan 2018
  7. Stanford Linear Accelerator

    Course Assistant

    Jan 2017 - Jan 2018
  8. Proxem

    Research Intern

    Mar 2016 - Jul 2016
  9. Option

    Web Developer

    Jun 2015 - Aug 2015
  10. Marine Nationale

    Internship

    Nov 2013 - Apr 2014