Trevor CaiMember of Technical Staff · OpenAIResearcher↗
Researcher · Engineer
OpenAIResearcher
Holmes leads the data, training and inference systems behind OpenAI's Sora and robotics work. He was Sora's systems lead and previously helped build Microsoft DeepSpeed tools that made training and serving very large language models faster and less communication-intensive.
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Reviewed August 9, 2026 · Checked for accuracy and new information.