
Mark ChenResearcher
OpenAI
Chief Research Officer
via OpenAI
Researcher

Member of Technical Staff at OpenAI
Dohan works on training and evaluating language models that can help with increasingly difficult reasoning and alignment tasks. At Google Brain, he researched foundation-model programs and methods spanning code generation, protein engineering, mathematical reasoning, and scientific problem-solving.
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DropboxWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: July 15, 2026