Wei-Lin Chiang
Co-founder and CTO of Arena, former PhD student involved in developing the research prototype and technical systems for evaluating LLMs, agents, and tool-using AI.
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Mar 18, 2026 • 26min
The PhD students who became the judges of the AI industry
Wei-Lin Chiang, Arena co-founder and CTO who built evaluation systems for LLMs and agents, and Anastasios Angelopoulos, Arena co-founder and former UC Berkeley PhD who created benchmarking platforms. They discuss how Arena measures real-world intelligence, preserves reproducibility and neutrality despite big lab funding, and expands from chat to agents, coding, and expert leaderboards.
