Leo (Qingrong) Chen is a highly skilled software engineer currently serving as a Member of Technical Staff at OpenAI since February 2024, focusing on scaling technologies. Prior to this role, Leo worked at TikTok from March 2022 to February 2024 as a Senior Software Engineer, where responsibilities included developing a disaster recovery plan for ranking modules, improving ranking efficiency, and designing architectures for ads recommendation systems and large language model training platforms. Previous experience includes serving as a Production Engineer at Facebook from August 2020 to March 2022, recognized as a top performer in building machine learning training platforms, and contributing as a Research Assistant at the University of Illinois at Urbana-Champaign on location privacy projects. Leo's early career involved internships at Facebook and Intel Corporation, where the focus was on machine learning performance analysis and natural language processing. Academic credentials include a Bachelor's degree in Computer Science from Shanghai Jiao Tong University and graduate studies in Computer Science at the University of Illinois Urbana-Champaign.
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