About
Hello,
I’m Biao He, currently working on Coding RL Infra @ xAI, where I help build our in-house RL framework that powers very large-scale training for Grok 4.1, Grok 4.2, and beyond.
Before xAI, I led the Training Infra team @ LinkedIn, where I built a fast, easy-to-use in-house training framework for LLMs and recommendation models.
I’m also an open source enthusiast, with contributions to:
The best way to reach me is via LinkedIn or X.
