Arijit Ghosh Chowdhury
Member of Technical Staff@xAI | Post-training, RL
- Role
- Member of Technical Staff at xAI
- Location
- Mountain View, CA, US
- LinkedIn followers
- 500 followers
About Arijit Ghosh Chowdhury
MS CS Student at University of Illinois at Urbana Champaign.Machine Learning Engineer with a strong publication record, having published at ACL, NAACL, COLING and INTERSPEECH as an undergraduate.Additionally, I\'ve worked as a Data Scientist at UnitedHealth Group, where I have conceptualized, prototyped, and deployed large ML models at scale, having built concurrent and robust systems that process millions of data points and monitor them. I\'ve also dabbled in AI Robotics and set up Data Science practices for an early stage startup.In 2020, I was inducted into the Heidelberg Laureate Forum as a Young Researcher, selected as one of the top 100 student researchers in Computer Science, all across the world.
Experience
Member of Technical Staff
Nov 2025 — Present · Palo Alto, CA, US
Core model post training for Grok 4.1, Grok 4.2RL, Long Horizon Tool-Use for Agents, Evaluation Environments
Education
Manipal Institute of Technology
Bachelor’s Degree
University of Illinois Urbana-Champaign
Master of Science - MS
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