Yi Tay is a principal research scientist at Google DeepMind, where he works on Gemini post-training and reasoning and leads the Singapore Gemini / GenAI team. He helped train the Gemini Deep Think model that achieved an IMO gold medal in 2025; previously, he co-founded Reka AI and researched transformer architectures and scaling at Google Brain.
Principal Research Scientist
Works on Gemini post-training and recursive self-improvement, and leads the Singapore Gemini / GenAI team.
Co-Founder and Chief Scientist
Co-founded the foundation-model company and led scientific work on multimodal models.
Senior Research Scientist
Worked on transformer scaling, architectures, and large language model research. Co-led modeling and architecture work for PaLM 2 and contributed to UL2, Flan-2, PaLM, and related efforts.
PhD in Computer Science
Bachelor’s degree
