About me
Sophia Bai is a Senior Data Scientist at Meta, specializing in AI-driven recommendation systems and product analytics. She has led key initiatives in improving signal quality, optimizing content discovery, and redesigning recommendation models to create more balanced and engaging user experiences. Her work focuses on data-driven product development, experimentation, and algorithmic fairness, ensuring that AI systems not only maximize engagement but also promote diverse and meaningful content exploration.
With a deep understanding of user behavior, ranking algorithms, and large-scale machine learning systems, Sophia has worked extensively on refining recommendation pipelines to improve personalization while mitigating bias. She has played a key role in rebuilding ranking models that give small creators an equal chance to break out, as well as enhancing engagement signals to ensure content surfaced is genuinely valuable to users rather than purely optimized for watch time or clicks. Her work bridges the gap between AI optimization and user experience, ensuring that recommendation models serve both business and user needs effectively.
