Co-inventor of Transformer · Architecture Research at OpenAICo-inventor of Transformer · Architecture Research at OpenAI
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Earned a BS in Mathematics and Computer Science from Duke University (1998). Joined Google in 2000 as one of the earliest engineers, where he significantly improved Google's search spelling corrector. Co-authored the Transformer paper (2017), worked on Mixture of Experts scaling (2017), and built the chatbot Meena. After Google declined to release Meena publicly, he left in 2021 to co-found Character.AI with Daniel de Freitas. In August 2024, Google licensed Character.AI's technology in a deal worth $2.7B, bringing Shazeer back to Google to co-lead Gemini development. Named to TIME 100 AI (2023) and elected to the National Academy of Engineering (2026). In June 2026 he left Google to join OpenAI as Lead of Architecture Research.
Earned a BS in Mathematics and Computer Science from Duke University (1998). Joined Google in 2000 as one of the earliest engineers, where he significantly improved Google's search spelling corrector. Co-authored the Transformer paper (2017), worked on Mixture of Experts scaling (2017), and built the chatbot Meena. After Google declined to release Meena publicly, he left in 2021 to co-found Character.AI with Daniel de Freitas. In August 2024, Google licensed Character.AI's technology in a deal worth $2.7B, bringing Shazeer back to Google to co-lead Gemini development. Named to TIME 100 AI (2023) and elected to the National Academy of Engineering (2026). In June 2026 he left Google to join OpenAI as Lead of Architecture Research.