Summer Yue is a research and engineering leader with 11 years of experience building RL, LLM, and large-scale ML systems across startups and Google/Meta ecosystems. She has led teams shipping production RLHF for Bard, pushed reproducible RL infrastructure and robotics work at Google Brain, and ran a 64-person ML research org at Scale focusing on synthetic data, agent reasoning, and safety evaluations. Currently Director of Alignment at Meta, she blends hands-on contributions (e.g., TF-Agents testing and PPO work) with strategy for superintelligence alignment and scalable oversight. Known for translating frontier research into reliable production pipelines, she’s equally comfortable debugging unit tests as she is setting research agendas to mitigate reward hacking and other systemic risks. Based in San Francisco, she prioritizes practical, safety-first approaches that maximize AI’s positive impact.
11 years of coding experience
4 years of employment as a software developer
Bachelor of Applied Science - BASc Computer Science, Bachelor of Applied Science - BASc Computer Science at Jerome Fisher M&T Program
TF-Agents: A reliable, scalable and easy to use TensorFlow library for Contextual Bandits and Reinforcement Learning.
Role in this project:
ML Engineer
Contributions:2 reviews, 96 commits, 1 PR in 1 year 10 months
Contributions summary:Summer primarily contributed to improving the unit tests for the reinforcement learning agents within the TensorFlow Agents library. Their work included fixing a bug in a unit test related to actor distribution networks, enhancing the effectiveness of behavioral cloning agent tests by replacing random trajectories, and creating and modifying PPO (Proximal Policy Optimization) agents. The user also implemented an option to clip value predictions and worked on updating documentation related to policy information in the trajectory files.
Contributions:125 commits, 18 PRs, 112 pushes in 2 years 4 months
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