Laurent Crelier

Laurent Crelier is a Senior Applied Scientist at Amazon from May 2021 to July 2025, specializing in AI research and leading the development of advanced AI models for ad recommendation through various techniques including NLP and deep learning. Previously, Laurent worked at Twitch as an Applied Scientist II, where research focused on Machine Learning pipelines for targeted promotions, and at Crédit Agricole Assurances as an apprentice, implementing stochastic mathematical models for risk assessment. Additional experience includes a data science internship at Fractales and software development at NAVAL GROUP. Laurent holds a Master's in Financial Engineering with a Machine Learning specialization from the University of California, Berkeley, and an M.Sc. in Statistics from ISUP.