Ying ShengCo-founder and CEO · RadixArkResearcher↗
Researcher · Founder · Engineer
RadixArkCo-founder and CTO
Zhu builds open tools for evaluating and running language models. He co-authored Chatbot Arena, which ranks chatbots through human comparisons, and S-LoRA, which lets many customized models share computing resources efficiently. His research also examines how human feedback can improve AI behavior.
RadixArkDec 2025-present
University of Washington2024-2026
NVIDIA2025-2025Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Presented Chatbot Arena, comparing language models through people's votes on anonymous answers.
Based on public sources. If accuracy is important, verify details using the links or references.
For corrections, updates, or requests to remove information, contact us.
Reviewed August 10, 2026 · Checked for accuracy and new information.