│ Yu (Cosmo) Du • 杜宇
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│ answeror@gmail.com 
│
│ Cosmo is a Research Scientist at
│ Meta Superintelligence Labs.
│ Previously he was a Principal
│ Scientist & Director at Google
│ DeepMind working on Gemini
│ Post-training, Thinking, and Coding.
│ He was a core contributor of
│ Gemini 1, 1.5, 2, and 2.5. He led
│ the development of Gemini's first
│ large, stable, and fast async RL
│ recipe that scales across model
│ ladders. He developed Gemini-0801,
│ Google's first #1 on the LMSYS.
│ Previously he led Bard/LaMDA
│ post-training, developed the first
│ internal version of Bard. Before
│ that he worked on Task-oriented
│ Dialog, helped Duplex scale up 10x.
│
│
│ 2025-
├──────────
│ Meta Superintelligence Labs
│ in Menlo Park
│ Research Scientist
│
│
│ 2025-2025
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│ Google DeepMind in Mountain View
│ Principal Scientist & Director
│
│ Gemini Post-training/Thinking/Coding
│
│
│ 2023-2025
├──────────
│ Google DeepMind in Mountain View
│ Senior Staff Research Scientist
│
│ Gemini/Bard Post-training
│
│
│ 2021-2023
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│ Google Brain in Mountain View
│ Staff Software Engineer
│
│ Bard/LaMDA Post-training
│
│
│ 2019-2021
├──────────
│ Google Brain in Mountain View
│ Senior Software Engineer
│
│ Task-oriented Dialog Research
│ (Duplex/Dialogflow)
│
│
│ 2019-2019
├──────────
│ Google Brain in Mountain View
│ Software Engineer
│
│ Task-oriented Dialog Research
│ (Duplex)
│
│
│ 2017-2018
├──────────
│ Google Ads in Shanghai
│ Software Engineer
│
│
│ 2011-2017
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│ Zhejiang University
│ Ph.D. in Computer Science
│
│