Mark Chen
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Mark Chen is Chief Research Officer at OpenAI, where he oversees the company's research organization and its work on frontier AI models. He joined OpenAI in 2018 and rose through research leadership roles, including Vice President of Research, before being named Chief Research Officer. Chen has been closely associated with OpenAI's multimodal and reasoning model efforts, including contributions to GPT-4, GPT-4V, and DALL-E. Before OpenAI, he worked as a quantitative trader, applying his background in mathematics and computer science to markets prior to moving into machine learning research.
Updated 5 August 2026
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