Lingyu Gao is an AI research engineer at Duolingo, where they advance AI research and products to support the company's mission of providing universal education. Holding a Ph.D. in Computer Science from the Toyota Technological Institute at Chicago, specializing in NLP, they previously worked as an AI engineer at ETS, finetuning models for high-quality test item creation. Lingyu also has interned at TikTok and Google, generating diverse questions and selecting effective demonstrations for text classification tasks. Their educational background includes multiple degrees in Computer Science and Electrical Engineering from Tsinghua University and the Toyota Technological Institute at Chicago.
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