Guy Leroy currently serves as a Member of Technical Staff at Anthropic, specializing in finetuning the Claude model since November 2024. Prior experience includes working as a Machine Learning Engineer at TikTok from August 2022 to November 2024, where the focus was on combating spam, bots, fraud, and fake engagement. At Microsoft, from August 2020 to August 2022, Guy was an Associate Researcher, contributing to the development of Deep Reinforcement Learning solutions for AAA games and co-authoring a paper on human-like navigation for ICML '21. Prior to these roles, Guy interned as a Solution Developer at Avanade France, automating internal processes, and co-founded the Imperial College Blockchain and Crypto-technologies Society, significantly increasing membership and fostering partnerships. Educationally, Guy holds a Master of Engineering in Mathematics and Computer Science from Imperial College London.
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