
Giambattista ParascandoloResearcher
OpenAI
Research Scientist
via OpenAI
Researcher
Chief Scientist at OpenAI
Pachocki led development of GPT-4 and OpenAI Five and became OpenAI's Chief Scientist in 2024, succeeding Ilya Sutskever. A Polish computer scientist and former competitive programmer, he has been central to OpenAI's research roadmap.
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Last editorial review: August 14, 2026